How to remove CryLock ransomware from the operating system

Also Known As: CryLock virus
Distribution: Moderate
Damage level: Severe

CryLock ransomware removal instructions

What is CryLock?

Discovered by Albert Zsigovits, CryLock is the name of a malicious program, which is a new variant of Cryakl ransomware. This malware is designed to encrypt data and demand payment for decryption. During the encryption process, all affected files are renamed according to the following pattern: developer's email address; victim's unique ID, and; an extension consisting of three random characters. The extension is randomized for every file. For example, files originally named "1.jpg", "2.jpg" and "3.jpg" would appear as something similar to "1.jpg[grand@horsef***er.org][512064768-1578909375].ycs", "2.jpg[grand@horsef***er.org][512064768-1578909375].wkm and "3.jpg[grand@horsef***er.org][512064768-1578909375].muc - respectively. After completion of this process, CryLock ransomware displays a pop-up window that contains the ransom message.

The message in the pop-up states that all data has been encrypted, including files such as documents, databases, backups and so on. According to the message, the only way to recover them is to purchase a unique decryption key (generated individually for each victim). The cost of the key is not mentioned, however, it is stated that this will depend on how quickly users establish contact with the cyber criminals behind the infection. Additionally, this window has two countdown timers, which represent the time remaining until the ransom increases and decryption becomes impossible. Communication is to be initiated via email and victims are instructed to use reliable email clients (e.g. Gmail, ProtonMail, AOL, etc.). The criminals' email address is apparently temporary, and following 2-4 weeks, it will be blocked. The messages users send must contain their External IP addresses and unique IDs (located in the messages and within filenames of compromised files). They can also include up to three encrypted files attached, should victims wish to test decryption free of charge. The total size of these test files cannot exceed 5 MB (non-archived) and they must not contain valuable information (e.g. databases, backups, large excel sheets, etc.). The message warns users that attempting to decrypt the files with third party software can result in permanent data loss. Unfortunately, in most cases of ransomware infections, file recovery is impossible without the involvement of the individuals responsible, unless the malware in question is still in development and/or has bugs/flaws. Whatever the case, you are strongly advised against contacting and/or meeting the demands of cyber criminals. Despite paying, victims often receive none of the promised decryption tools/keys. Therefore, their files remain damaged beyond repair and they also experience significant financial loss. To prevent CryLock from further encryption, it must be eliminated from the operating system, however, removal will not restore already encrypted data. The only viable solution is to recover files from a backup, provided one was made prior to the infection and was stored in a different location.

Screenshot of a message encouraging users to pay a ransom to decrypt their compromised data:

CryLock decrypt instructions (pop-up)

PicocodeAdhubllka, and Sivo are some examples of other ransomware infections. Malicious software under this classification encrypts data of infected systems and demands payment for the appropriate decryption tools. There are two main differences: cryptographic algorithm used (symmetric or asymmetric) and ransom size. The latter ranges between three and four digit sums (in USD). Cyber criminals tend to prefer digital currencies (e.g. cryptocurrencies, pre-paid vouchers, etc.), since these transactions are difficult/impossible to trace. To protect files from data encryption attacks, you are advised to store backups on remote servers and/or unplugged storage devices (ideally, in multiple locations).

How did ransomware infect my computer?

Ransomware and other malware is primarily spread through spam campaigns, trojans, software "cracking" (activation) tools, fake updaters and untrustworthy download sources. Spam campaigns are used to send deceptive emails by the thousand. These messages are usually disguised as "official", "important" or "urgent". They have infectious files attached (or contain links leading to them). These attachments come in various formats (e.g. Microsoft Office and PDF documents, archive and executable files, JavaScript, etc.). Once opened, the infection process begins (i.e., they start downloading/installing malware). Trojans are malicious programs capable of causing chain infections. Rather than activating licensed products, "cracking" tools can download/install malicious software. Fake updaters cause infections by abusing flaws of outdated programs and/or simply by installing malware rather than the updates. Untrustworthy download channels such as unofficial and free file-hosting websites, P2P sharing networks (BitTorrent, Gnutella, eMule, etc.) and other third party downloaders present malicious software as normal content, or bundled with it.

Threat Summary:
Name CryLock virus
Threat Type Ransomware, Crypto Virus, Files locker.
Encrypted Files Extension [cyber_criminals'_email_address][victim's_ID].[3_random_letters]
Ransom Demand Message Text presented in the pop-up window
Cyber Criminal Contact grand@horsef***er.org and horsef***er@tuta.io, tomascry@protonmail.com, markcry@pm.me, bigbosscry@pm.me
Detection Names Avast (Win32:Trojan-gen), BitDefender (Gen:Heur.Ransom.REntS.Gen.1), ESET-NOD32 (A Variant Of Win32/Filecoder.EQ), Kaspersky (HEUR:Trojan.Win32.Generic), Full List Of Detections (VirusTotal)
Symptoms Cannot open files stored on your computer, previously functional files now have a different extension (for example, my.docx.locked). A ransom demand message is displayed on your desktop. Cyber criminals demand payment of a ransom (usually in bitcoins) to unlock your files.
Distribution methods Infected email attachments (macros), torrent websites, malicious ads.
Damage All files are encrypted and cannot be opened without paying a ransom. Additional password-stealing trojans and malware infections can be installed together with a ransomware infection.
Malware Removal (Windows)

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How to protect yourself from ransomware infections

Do not open suspicious and/or irrelevant emails. Any attachments (or links) present in suspect mail must never be opened, due to the threat of potential malware infections. All downloads should be performed from official and verified sources. Program activation and updating should be performed using functions/tools provided by legitimate developers, as illegal activation ("cracking") tools and third party updaters are high-risk. Have a reputable anti-virus/anti-spyware suite installed and kept up-to-date. This software should be used for regular system scans and removal of detected threats. If your computer is already infected with CryLock, we recommend running a scan with Malwarebytes for Windows to automatically eliminate this ransomware.

Text presented in CryLock ransomware ransom message:

Price is raised! Your files have been encrypted... Price is raised!Your files will be lost after

What happened?
All your documents, databases, backups and other important files have been encrypted due to a security problem with your PC. The only way to recover files is to purchase a unique private decryption key. If you want to recover files, write to us by e-mail: grand@horsef***er.org with the following details:
External IP
You unique ID [512064768-1578909375] [copy]
The price depends on how fast you write to us, on timers you can see how many time do you have before price increasing. After payment we will send you the tool that will decrypt all your files. In case of no answer in 24 hours write us to this e-mail: horsef***er@tuta.io [copy]

Any guarantees?
Before paying you can send us up to 3 files for free decryption. The total size of files must be less than 5Mb (non archived), and files should not contain valuable information. (databases, backups, large excel sheets, etc.)

Attention!

Do not try to decrypt your data using third party software, it may cause permanent data loss.
Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.
Use trusted email clients (gmail.com, protonmail.com, aol.com, etc.) for communication; sometimes your letters do not reach us from corporate letters.
Communication with us lasts 2-4 weeks, then we block mail for communication
Your ID [512064768-1578909375] [copy] Write to grand@horsef***er.org [copy]

The appearance of CryLock ransomware pop-up (GIF):

CryLock ransomware pop-up gif

Screenshot of files encrypted by CryLock ("[cyber_criminals'_email_address][victim's_ID].[3_random_letters]" extension):

Files encrypted by CryLock ransomware ([cyber_criminals_email_address][victim_ID].[3_random_letters] extension)

Another variant of CryLock ransomware pop-up window:

Updated CryLock ransomware pop-up window

Text presented within this pop-up:

Payment will be raised after 1 day 23:34:57
Your files have been encrypted...

0001100010111011000

Your files will be lost after 4 days 23:34:57

What happened?
All your documents, databases, backups and other important files have been encrypted due to a security problem with your PC. The only way to recover files is to purchase a unique private decryption key. If you want to recover files, write to us by e-mail: tomascry@protonmail.com with the following details:
External IP
You unique ID [-] [copy]
The price depends on how fast you write to us, on timers you can see how many time do you have before price increasing. After payment we will send you the tool that will decrypt all your files. In case of no answer in 24 hours write us to this e-mail: markcry@pm.me [copy]

Any guarantees?
Before paying you can send us up to 3 files for free decryption. The total size of files must be less than 5Mb (non archived), and files should not contain valuable information. (databases, backups, large excel sheets, etc.)

Attention!

Do not try to decrypt your data using third party software, it may cause permanent data loss.
Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.
Use trusted email clients (gmail.com, protonmail.com, aol.com, etc.) for communication; sometimes your letters do not reach us from corporate letters.
Communication with us lasts 2-4 weeks, then we block mail for communication
Your ID [-] [copy] Write to tomascry@protonmail.com [copy]

Update April 6, 2020 - Criminals have recently released yet another variant of CryLock ransomware, which appends a different file extension ("[reddragon3335799@protonmail.ch][sel3].[victim's_ID]") and delivers a slightly different ransom message.

Screenshot of the pop-up window ("how_to_decrypt.hta"):

Pop-up window displayed by CryLock ransomware

Text presented within:

Payment will be raised after
1 day 23:39:15
Your files have been encrypted...
0111100111101011001
Your files will be lost after
4 days 23:39:15
Decrypt files? Write to this mails: reddragon3335799@protonmail.ch or reddragon3335799@tutanota.com. Telegram @assist_decoder.
You unique ID [59436244-F9E4D68F] [copy]
Your ID [59436244-F9E4D68F] [copy]
Write to reddragon3335799@protonmail.ch [copy]

Screenshot of files encrypted by this CryLock variant:

Files encrypted by CryLock ransomware

Update April 8, 2020 - Crooks have released yet another variant of the latest CryLock ransomware. Instead of appending "[reddragon3335799@protonmail.ch][sel3].[victim's_ID]" extension it now appends "[reddragon3335799@protonmail.ch][sel4].[victim's_ID]" (notice "sel4" instead of "sel3"). Everything else is completely the same.

Update April 27, 2020 - Crooks have recently released yet another update of CryLock ransomware. The dropped "how_to_decrypt.hta" file now delivers a completely different ransom note and the appended file extension ("[jericoni@pm.me].[victim's_ID]") is also different.

Screenshot of the updated CryLock ransomware pop-up window ("how_to_decrypt.hta"):

2020-04-27 CryLock ransomware pop-up window (how_to_decrypt.hta)

Text presented within:

ENCRYPTED
What happened?
 All your documents, databases, backups, and other critical files were encrypted.
Our software used the AES cryptographic algorithm (you can find related information in Wikipedia).


It happened because of security problems on your server, and you cannot use any of these files anymore. The only way to recover your data is to buy a decryption key from us.


To do this, please send your unique ID to the contacts below.
E-mail:jericoni@pm.me copy Unique ID:[-]copy
Right after payment, we will send you a specific decoding software that will decrypt all of your files. If you have not received the response within 24 hours, please contact us by e-mail crylock@danwin1210.me.During a short period, you can buy a decryption key with a
50% discount
2 days 23:54:14
The price depends on how soon you will contact us.All your files will be deleted permanently in:4 days     23:54:14 Attention!
! Do not try to recover files yourself. this process can damage your data and recovery will become impossible.
! Do not waste time trying to find the solution on the Internet. The longer you wait, the higher will become the decryption key price.
! Do not contact any intermediaries. They will buy the key from us and sell it to you at a higher price.
What guarantees do you have?
 
Before payment, we can decrypt three files for free. The total file size should be less than 5MB (before archiving), and the files should not contain any important information (databases, backups, large tables, etc.)

Screenshot of the files encrypted by this CryLock ransomware variant ("[jericoni@pm.me].[victim's_ID]" extension):

2020-04-27 CryLock ransomware encrypted files

Update July 17, 2020 - Crooks have recently released an updated variant of CryLock ransomware, which appends a different file extension - "[bigbosscry@pm.me][1].[-]". The pop-up window, however, barely differs comparing to the last one.

Screenshot of the pop-up window ("how_to_decrypt.hta"):

Updated CryLock ransomware ransom note (2020-07-17)

Text presented within:

ENCRYPTED0010000110000011111101110001111001000100
What
 
happened?
 All your documents, databases, backups, and other critical files were encrypted.
Our software used the AES cryptographic algorithm (you can find related information in Wikipedia).


It happened because of security problems on your server, and you cannot use any of these files anymore. The only way to recover your data is to buy a decryption key from us.


To do this, please send your unique ID to the contacts below.
E-mail:bigbosscry@pm.me copy Unique ID:[-] copy
Right after payment, we will send you a specific decoding software that will decrypt all of your files. If you have not received the response within 24 hours, please contact us by e-mail crylock@usa.com.During a short period, you can buy a decryption key with a
50% discount
4 days 23:25:02
The price depends on how soon you will contact us.All your files will be deleted permanently in:6 days     23:25:02Attention!
! Do not try to recover files yourself. this process can damage your data and recovery will become impossible.
! Do not waste time trying to find the solution on the Internet. The longer you wait, the higher will become the decryption key price.
! Do not contact any intermediaries. They will buy the key from us and sell it to you at a higher price.
What guarantees do you have?
 
Before payment, we can decrypt three files for free. The total file size should be less than 5MB (before archiving), and the files should not contain any important information (databases, backups, large tables, etc.)

Screenshot of files encrypted by this CryLock ransomware variant ("[bigbosscry@pm.me][1].[-]" extension):

Files encrypted by the updated CryLock ransomware (2020-07-17)

Examples of files encrypted by other variants of CryLock ransomware:

Example 1 ("[omegawatch@protonmail.com[ferauto].[victim's_ID]" extension):

CryLock ransomware encrypted files ([omegawatch@protonmail.com[ferauto].[victim_ID] extension)

Example 2 ("[darkmask@mailfence.com[fervis].[victim's_ID]" extension):

CryLock ransomware encrypted files ([darkmask@mailfence.com[fervis].[victim_ID] extension)

CryLock ransomware removal:

Instant automatic malware removal: Manual threat removal might be a lengthy and complicated process that requires advanced computer skills. Malwarebytes is a professional automatic malware removal tool that is recommended to get rid of malware. Download it by clicking the button below:
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Quick menu:

Isolating the infected device:

Some ransomware-type infections are designed to encrypt files within external storage devices, infect them, and even spread throughout the entire local network. For this reason, it is very important to isolate the infected device (computer) as soon as possible.

Step 1: Disconnect from the internet.

The easiest way to disconnect a computer from the internet is to unplug the Ethernet cable from the motherboard, however, some devices are connected via a wireless network and for some users (especially those who are not particularly tech-savvy), disconnecting cables may seem troublesome. Therefore, you can also disconnect the system manually via Control Panel:

Navigate to the "Control Panel", click the search bar in the upper-right corner of the screen, enter "Network and Sharing Center" and select search result: Disconnecting computer from the Internet (step 1)

Click the "Change adapter settings" option in the upper-left corner of the window: Disconnecting computer from the Internet (step 2)

Right-click on each connection point and select "Disable". Once disabled, the system will no longer be connected to the internet. To re-enable the connection points, simply right-click again and select "Enable". Disconnecting computer from the Internet (step 3)

Step 2: Unplug all storage devices.

As mentioned above, ransomware might encrypt data and infiltrate all storage devices that are connected to the computer. For this reason, all external storage devices (flash drives, portable hard drives, etc.) should be disconnected immediately, however, we strongly advise you to eject each device before disconnecting to prevent data corruption:

Navigate to "My Computer", right-click on each connected device and select "Eject": Ejecting external storage devices

Step 3: Log-out of cloud storage accounts.

Some ransomware-type might be able to hijack software that handles data stored within "the Cloud". Therefore, the data could be corrupted/encrypted. For this reason, you should log-out of all cloud storage accounts within browsers and other related software. You should also consider temporarily uninstalling the cloud-management software until the infection is completely removed.

Identify the ransomware infection:

To properly handle an infection, one must first identify it. Some ransomware infections use ransom-demand messages as an introduction (see the WALDO ransomware text file below).

Identify ransomware-type infection (step 1)

This, however, is rare. In most cases, ransomware infections deliver more direct messages simply stating that data is encrypted and that victims must pay some sort of ransom. Note that ransomware-type infections typically generate messages with different file names (for example, "_readme.txt", "READ-ME.txt", "DECRYPTION_INSTRUCTIONS.txt", "DECRYPT_FILES.html", etc.). Therefore, using the name of a ransom message may seem like a good way to identify the infection. The problem is that most of these names are generic and some infections use the same names, even though the delivered messages are different and the infections themselves are unrelated. Therefore, using the message filename alone can be ineffective and even lead to permanent data loss (for example, by attempting to decrypt data using tools designed for different ransomware infections, users are likely to end up permanently damaging files and decryption will no longer be possible even with the correct tool).

Another way to identify a ransomware infection is to check the file extension, which is appended to each encrypted file. Ransomware infections are often named by the extensions they append (see files encrypted by Qewe ransomware below).

Identify ransomware-type infection (step 2)

This method is only effective, however, when the appended extension is unique - many ransomware infections append a generic extension (for example, ".encrypted", ".enc", ".crypted", ".locked", etc.). In these cases, identifying ransomware by its appended extension becomes impossible.

One of the easiest and quickest ways to identify a ransomware infection is to use the ID Ransomware website. This service supports most existing ransomware infections. Victims simply upload a ransom message and/or one encrypted file (we advise you to upload both if possible).

Identify ransomware-type infection (step 3)

The ransomware will be identified within seconds and you will be provided with various details, such as the name of the malware family to which the infection belongs, whether it is decryptable, and so on.

Example 1 (Qewe [Stop/Djvu] ransomware):

Identify ransomware-type infection (step 4)

Example 2 (.iso [Phobos] ransomware):

Identify ransomware-type infection (step 5)

If your data happens to be encrypted by a ransomware that is not supported by ID Ransomware, you can always try searching the internet by using certain keywords (for example, ransom message title, file extension, provided contact emails, cryptowallet addresses, etc.).

Search for ransomware decryption tools:

Encryption algorithms used by most ransomware-type infections are extremely sophisticated and, if the encryption is performed properly, only the developer is capable of restoring data. This is because decryption requires a specific key, which is generated during the encryption. Restoring data without the key is impossible. In most cases, cyber criminals store keys on a remote server, rather than using the infected machine as a host. Dharma (CrySis), Phobos, and other families of high-end ransomware infections are virtually flawless, and thus restoring data encrypted without the developers' involvement is simply impossible. Despite this, there are dozens of ransomware-type infections that are poorly developed and contain a number of flaws (for example, the use of identical encryption/decryption keys for each victim, keys stored locally, etc.). Therefore, always check for available decryption tools for any ransomware that infiltrates your computer.

Finding the correct decryption tool on the internet can be very frustrating. For this reason, we recommend that you use the No More Ransom Project and this is where identifying the ransomware infection is useful. The No More Ransom Project website contains a "Decryption Tools" section with a search bar. Enter the name of the identified ransomware, and all available decryptors (if there are any) will be listed.

Searching for ransomware decryption tools in nomoreransom.org website

Restore files with data recovery tools:

Depending on the situation (quality of ransomware infection, type of encryption algorithm used, etc.), restoring data with certain third-party tools might be possible. Therefore, we advise you to use EaseUS Data Recovery Wizard Pro. This tool supports over a thousand data types (graphics, video, audio, documents, etc.) and it is very intuitive (little knowledge is necessary to recover data).

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EaseUS Data Recovery Wizard Pro

By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. Trial version of EaseUS Data Recovery Wizard Pro is capable of scanning drives and listing recoverable files - to restore them, you must purchase a license.

Step 1: Perform a scan.

Hover your mouse over the partition you wish to scan and select "Scan". You can also select a specific folder, or click shortcut icons to scan the Desktop or Recycle Bin: Scanning the storage drive with EaseUS Data Recovery Wizard PRO (step 1)

Wait for EaseUS Data Recovery Wizard Pro to complete the scan. The scanning duration depends on the volume of files (both in quantity and size) that you are scanning (for example, several hundreds gigabytes could take over an hour to scan). Therefore, be patient during the scanning process. We also advise against modifying or deleting existing files, since this might interfere with the scan. If you add additional data (for example, downloading files/content) while scanning, this will prolong the process: Scanning the storage drive with EaseUS Data Recovery Wizard PRO (step 2)

Step 2: Recover data.

Once the process is complete, select the folders/files you wish to restore and simply click "Recover". Note that some free space on your storage drive is necessary to restore data. Note also that the trial version of EaseUS Data Recovery Wizard Pro is only capable of scanning drives and listing recoverable files - to restore them, you must purchase a license: Recovering data with EaseUS Data Recovery Wizard Pro

Step 3: Save the scan session (optional).

We recommend that you save the scanning session once you have completed recovery, in case you decide to recover additional files later. Simply click the "Save Scan Session" icon in the upper-right corner of the screen and choose the location for the file to be saved. This will save a lot of time, since you will not need to re-scan the storage drive the next time you wish to restore something. Bear in mind, however, that data removed after the scanning session has finished will not be listed: Saving scan session in EaseUS Data Recovery Wizard Pro

Create data backups:

Proper file management and creating backups is essential for data security. Therefore, always be very careful and think ahead.

Partition management: We recommend that you store your data in multiple partitions and avoid storing important files within the partition that contains the entire operating system. If you fall into a situation whereby you cannot boot the system and are forced to format the disk on which the operating system is installed (in most cases, this is where malware infections hide), you will lose all data stored within that drive. This is the advantage of having multiple partitions: if you have the entire storage device assigned to a single partition, you will be forced to delete everything, however, creating multiple partitions and allocating the data properly allows you to prevent such problems. You can easily format a single partition without affecting the others - therefore, one will be cleaned and the others will remain untouched, and your data will be saved. Managing partitions is quite simple and you can find all necessary information on Microsoft's documentation web page.

Data backups: The most reliable backup method is to use an external storage device and keep it unplugged. Copy your data to an external hard drive, flash (thumb) drive, SSD, HDD, or any other storage device, unplug it and store it in a dry place away from sun and extreme temperatures. This method is, however, quite inefficient, since data backups and updates need to be made regularly. You can also use a cloud service or remote server. Here, an internet connection is required and there is always the chance of a security breach. Therefore, you should consider using an application to create data backups locally.

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EaseUS Todo Backup

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We recommend using the EaseUS Todo Backup application. The "Home" edition of EaseUS Todo Backup is usually more than adequate for regular users, however, the "Business" edition is more suitable for companies and large computer networks. The EaseUS Todo Backup application provides extensive data protection features. You can easily create backups, and encrypt and compress them for enhanced protection and storage saving purposes. It also allows you to set backup schedules, create bootable devices, and restore the system if a crash occurs. You can easily choose where to store the created backup: locally; uploaded to an external drive; FTP; cloud storage, or elsewhere. In summary, EaseUS Todo Backup is an all-in-one tool, which provides all features required to properly backup your data.

Creating a data backup:

The backup process is virtually identical regardless of the item (file, partition, entire system) you wish to backup. Taking the File Backup feature as an example:

Step 1: Choose which item to backup.

Click on the "Menu" icon in the upper-left corner of the screen to reveal the menu and select "File Backup": Creating data backups with EaseUS Todo Backup tool (step 1)

Select the files you want to backup. You can also enter a name and description of the backup that will be created: Creating data backups with EaseUS Todo Backup tool (step 2)

Step 2: Change the default settings.

The EaseUS Todo Backup application provides a variety of additional options that can be added/modified while creating the backup. For example, you can encrypt data (add a password), select the compression rate (how much the backup should be compressed), performance (how many system resources should be allocated), add an email notification (you receive an email once the process is complete) and so on.

To open the options window, click the "Backup options" button in the lower-left corner of the screen: Creating data backups with EaseUS Todo Backup tool (step 3)

Select the settings you want to change and click "Save". You can also reset your changes by clicking "Reset to initial settings": Creating data backups with EaseUS Todo Backup tool (step 4)

Step 3: Select the backup destination.

As mentioned above, EaseUS Todo Backup allows you to choose where backups are saved - locally or externally.

Click the "Browse..." button and select the location you want the backup to be saved: Creating data backups with EaseUS Todo Backup tool (step 5)

Step 4: Safety measures and process completion.

Depending on the location you have chosen, there are a number of measures you should or should not take. If you are uploading to an internet-connected location (for example, Cloud storage, FTP, etc.), be sure to maintain your internet connection, otherwise you will have to start again. The same applies to external storage devices - do not unplug them until the process is complete.

The progress bar displays estimated time remaining until completion. Large backups (hundreds of gigabytes) can take hours to create (depending on storage device speed, internet connection, etc.). Therefore, the application also allows you to optionally choose what the system should do (shut down, sleep or hibernate) once the process has finished: Creating data backups with EaseUS Todo Backup tool (step 6)

The best way to avoid damage from ransomware infections is to maintain regular up-to-date backups.

About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

PCrisk security portal is brought by a company RCS LT. Joined forces of security researchers help educate computer users about the latest online security threats. More information about the company RCS LT.

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Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

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CryLock virus QR code
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