_Write_To_Emails_ Ransomware

Also Known As: _Write_To_Emails_ virus
Distribution: Low
Damage level: Severe

_Write_To_Emails_ ransomware removal instructions

What is _Write_To_Emails_?

_Write_To_Emails_ is another ransomware-type computer infection that is designed to block access to data stored on computers. This ransomware encrypts all files, thus allowing developers to blackmail victims by making ransom demands (encouraging them to purchase decryption tools). This is a new variant of Matrix ransomware and was discovered by MalwareHunterTeam. _Write_To_Emails_ changes all encrypted filenames by adding a string that contains the ransomware name and a number of email addresses. For example, "1.jpg" becomes "1_Write_To_Emails_[Jingju87@naver.com][Loder903@gmail.com].jpg", and so on. It also creates over 50 .rtf files (MS Office documents) - these are ransom message that contain identical text and are called "Read_Me_T0_Rest0re_Files1.rtf", "Read_Me_T0_Rest0re_Files2.rtf", and so on. The only difference between these names is the number of the the ransom message. Furthermore, _Write_To_Emails_ also changes the desktop wallpaper.

The desktop wallpaper shows a short ransom message stating that people with computers infected by _Write_To_Emails_ have files encrypted with the RSA-2048 cryptography algorithm. To restore them, a special data recovery/decryption tool is required, which can be received by contacting cyber criminals via these email addresses: jingju87@naver.com, loder903@gmail.com, and loder903@tutanota.com. Further information is provided in all "Read_Me_T0_Rest0re_Files.rtf" documents. It is explained that an email must be sent to all email addresses provided and must contain the assigned personal ID. Emails must be in English or translated into this language using a professional translator. Ransomware victims are also urged to contact developers immediately, since the elapsed time will determine the cost of the decryption tool. As 'proof' that they can decrypt files (have the correct tool), they offer free decryption of three files (the size of each must not exceed five megabytes). They urge victims to contact them immediately, since, according to the information in the ransom message, they will keep the decryption tool no longer than one week. They make it clear that the decryption tool will be gone after seven days. Furthermore, _Write_To_Emails_ developers warn victims not to attempt to decrypt data using other, third party tools. Any such attempts will supposedly result in data loss. Regardless of any claims made by cyber criminals, they can never be trusted. Most attempt to trick people into making payments, and yet  provide no decryption tools in return. Unfortunately, only they have tools capable of decryption, since they use cryptographies that generate unique keys. A ransomware infection can be decrypted using only a specific decryption tool. Generally, the best and only free way to restore files is using a data backup created before infection by ransomware.

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

_Write_To_Emails_ decrypt instructions

Ransomware-type programs usually have similar behavior: they encrypt data and display ransom demand messages. Common differences are cost of decryption and cryptography algorithm used to encrypt data. Most encryptions cannot be decrypted without the involvement of the cyber criminals and the tools they have for this purpose. This might only be possible if the ransomware is still in development (is not fully developed) or contains unfixed bugs/flaws. To avoid data loss in the future, maintain regular backups and store them on remote servers or unplugged storage devices. If not, it is likely that the backups will be encrypted together with the remaining data. Examples of other ransomware-type computer infections similar to this are Maoloa, .blower, and CryptoID.

How did ransomware infect my computer?

It is not known exactly how _Write_To_Emails_ developers proliferate this infection, however, this ransomware and other computer infections use more or less identical methods. They employ spam campaigns, Trojans, untrustworthy software download sources, fake software updating tools/updaters and software cracking tools. Spam campaigns are used to spread malicious programs by sending emails that contain infected attachments (Microsoft Office documents, PDF documents, archive files, executables (.exe files), etc. The main aim is to trick recipients into opening the presented attachments. If opened, they download and install malicious programs such as _Write_To_Emails_ or other infections. Trojans are used to cause chain infections. These programs download and install other viruses. Untrustworthy software download sources such as freeware download, free file hosting websites, peer-to-peer networks (such as torrent clients, eMule, and others) are often used to present malicious files as legitimate. By using these sources, cyber criminals attempt to trick people into download/installation of various computer infections. Fake software updaters usually infect systems by downloading malware or other infections rather than the expected updates, fixes, or by exploiting outdated software bugs/flaws. Software cracking tools cause computer infections by downloading and installing ransomware or other threats rather than activating licensed software or operating systems.

Threat Summary:
Name _Write_To_Emails_ virus
Threat Type Ransomware, Crypto Virus, Files locker
Symptoms Can't open files stored on your computer, previously functional files now have a different extension, for example my.docx.locked. A ransom demanding message is displayed on your desktop. Cyber criminals are asking to pay 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?

To keep computers safe and avoid infection with ransomware (or other malicious programs), download, install, update software (or operating systems), and browse the internet with caution. Do not use third party software downloaders or other dubious tools - use official and trustworthy websites/sources. Furthermore, update installed software (or operating systems) using implemented functions or tools provided by official software developers. Do not download or open attachments that are presented in emails received from unknown, suspicious or dubious addresses. If a received email seems irrelevant, simply ignore it. Do not use software cracking tools, since these tools are illegal and using them is classed as a cyber crime. Furthermore, software cracks are the reason for various computer infections. Have reputable anti-spyware/anti-virus software installed and to keep it enabled at all times. These programs can protect computers from malicious attacks. If your computer is already infected with _Write_To_Emails_, we recommend running a scan with Malwarebytes for Windows to automatically eliminate this ransomware.

Text presented in _Write_To_Emails_ ransomware desktop wallpaper:

All your files were encrypted with RSA-2048 crypto algorithm!
Without your personal key and special software data recovery is impossible!
If you want to restore your files, please write to the e-emails:
Jingju87@naver.com
Loder903@gmail.com
Loder903@tutanota.com
=======================================
* Additional info you can find in files: Read_Me_T0_Rest0re_Files.rtf
-

Screenshot of _Write_To_Emails_ text file ("Read_Me_T0_Rest0re_Files.rtf")

_Write_To_Emails_ text file

Text presented in _Write_To_Emails_ text file:

Wаrning! Аll yоur filеs wеrе еnсryрtеd with RSА-2048 сrуptо аlgоrithm.
It mеаns thаt yоu will nоt bе аblе tо аccеss thеm аnуmоrе until thеу аrе dесrуptеd with yоur pеrsоnаl dесrуptiоn kеy! Withоut уоur pеrsоnаl kеy аnd sреciаl sоftwаrе dаtа rеcоvеrу is impоssiblе! If yоu will fоllоw оur instruсtiоns, wе guаrаntее thаt yоu cаn dесryрt аll yоur filеs quiсkly аnd sаfеly!
If yоu wаnt tо rеstоrе yоur filеs, plеаsе writе us tо thе е-mаils:
Jingju87@naver.com
Loder903@gmail.com
Loder903@tutanota.com
In subjеct linе оf your mеssаgе writе yоur pеrsоnаl ID:
-
Wе rесоmmеnd yоu tо sеnd yоur mеssаgе ОN ЕАСH оf ОUR 3 ЕМАILS, duе tо thе fасt thаt thе mеssаgе mау nоt rеаch thеir intеndеd rеcipiеnt fоr а vаriеtу оf rеаsоns!
Plеаsе, writе us in Еnglish оr usе prоfеssiоnаl trаnslаtоr!
If yоu wаnt tо rеstоrе yоur filеs, yоu hаvе tо pаy fоr dесrуptiоn in Bitсоins. Thе pricе dереnds оn hоw fаst уоu writе tо us.

 

Tо cоnfirm thаt wе cаn dесryрt yоur filеs yоu cаn sеnd us up tо 3 filеs fоr frее dесrурtiоn. Plеаsе nоte thаt filеs fоr frее dесrурtiоn must NОT cоntаin аnу vаluаblе infоrmаtiоn аnd thеir tоtаl sizе must bе lеss thаn 5Mb.
Yоu hаvе tо rеspоnd аs sооn аs pоssiblе tо еnsurе thе rеstоrаtiоn оf yоur filеs, bеcаusе wе wоnt kееp yоur dеcrуptiоn kеys аt оur sеrvеr mоre thаn оne wееk in intеrеst оf оur sеcuritу.
Nоtе thаt аll thе аttеmpts оf dесryptiоn by yоursеlf оr using third pаrty tооls will rеsult оnly in irrеvосаble lоss оf yоur dаtа.

 

If yоu did nоt rеcеivе thе аnswеr frоm thе аfоrеcitеd еmаils fоr mоrе then 6 hours, рlеаsе сhеck SРАМ fоldеr!
If yоu did nоt rеcеivе thе аnswеr frоm thе аfоrеcitеd еmаils fоr mоrе then 12 hours, рlеаsе trу tо sеnd уоur mеssаgе with аnоthеr еmаil sеrviсе!
If yоu did nоt rеcеivе thе аnswеr frоm thе аfоrеcitеd еmаils fоr mоrе then 24 hours (еvеn if уоu hаvе prеviоuslу rесеivеd аnswеr frоm us), рlеаsе trу tо sеnd уоur mеssаgе with аnоthеr еmаil sеrviсе tо еасh оf оur 3 еmаils!
Аnd dоn't fоrgеt tо chеck SPАМ fоldеr!

Screenshot of files encrypted by _Write_To_Emails_ (with the added "_Write_To_Emails_[Jingju87@naver.com][Loder903@gmail.com]" string):

Files encrypted by _Write_To_Emails_

Screenshot of "Read_Me_T0_Rest0re_Files.rtf" files placed on the desktop:

Read_Me_T0_Rest0re_Files.rtf files placed on a desktop

_Write_To_Emails_ 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

By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. To use full-featured product, you have to purchase a license for EaseUS Todo Backup. 30 days free trial available.

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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