How to remove Zasifrovano Zaplat ransomware?

Also Known As: Zasifrovano Zaplat virus
Distribution: Low
Damage level: Severe

Zasifrovano Zaplat ransomware removal instructions

What is Zasifrovano Zaplat?

Zasifrovano Zaplat is the name of malware which belongs to the ransomware family called Xorist. It encrypts and renames victim's files, changes desktop wallpaper, displays a ransom note in a pop-up window and creates another one (the "HOW TO DECRYPT FILES.txt" text file) in all folders that contain encrypted data. Zasifrovano Zaplat renames encrypted files by adding ".zasifrovano zaplat" as an extension to their filenames. For example, it renames a file named "1.jpg" to "1.jpg.zasifrovano zaplat", "2.jpg" to "2.jpg.zasifrovano zaplat", and so on.

As written in the ransom notes (which are written in Czech language), Zasifrovano Zaplat got installed while visiting some pornography website. After installation cyber criminals accessed webcam and recorded a compromising video. Also, they collected email, Facebook, WhatsApp and Viber contact lists. Cyber criminals claim that they will send the recorded video to all contacts if they will not be paid 0.0356 BTC (Bitcoin) to the provided address within 72 hours after installation of Zasifrovano Zaplat ransomware. As mentioned in the introduction, this ransomware is designed to encrypt files, unfortunately, there are no third party tools that could decrypt files encrypted by it. Zasifrovano Zaplat's developers are the only ones who have the right decryption software and/or key. Although, in most cases victims who trust cyber criminals (pay them a ransom) get scammed - they do not receive any decryption tools. Therefore, it is strongly recommended not to trust neither Zasifrovano Zaplat's developers or cyber criminals behind any other ransomware. In such cases victims can recover files for free by restoring them from a backup. It is possible to prevent installed ransomware from encrypting unencrypted files as well, it can be done by uninstalling ransomware from the operating system. Nevertheless, already encrypted files remain encrypted even when ransomware is not longer installed.

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

Zasifrovano Zaplat decrypt instructions (pop-up window)

There are many various ransomware-type programs, although, most of them function very similarly: they encrypt files and provide instructions on how to contact their developers, pay a ransom, and/or other details. A couple of examples of other ransomware are Microsoft, DogeCrypt, and TEREN. In most cases two main variables are a cryptographic algorithm (symmetric or asymmetric) that ransomware uses to encrypt data and price of a decryption tool (or tools). Unfortunately, it is possible to decrypt files for free/without having to use tools that can be provided by cyber criminals only when ransomware is not finished, has some bugs, flaws. Although, it is not a common case. Therefore, it is recommended to always have a data backup and keep it on unplugged storage device and/or remote server (like Cloud).

How did ransomware infect my computer?

It is common that cyber criminals try to trick users into installing malware via malspam campaigns. They send malicious files or website links via email with a purpose to deceive recipients into opening the downloaded malicious file that is designed to install malicious software. Some examples of files that they use to distribute malware via email are malicious Microsoft Office documents, PDF documents, JavaScript files, executable files like .exe, archive files like RAR, ZIP. Quite often they use unreliable file and software download sources to proliferate malware too. They disguise malicious files as legitimate, regular and hope that someone will download and execute them. Once executed, those files install malware. Examples of unreliable download sources that can be used to distribute malicious programs are Peer-to-peer networks (like torrent clients, eMule), freeware download websites, free file hosting pages, third party downloaders, unofficial pages. Another popular way to spread malicious software through other programs of this kind called Trojans. Certain Trojans are designed to cause chain infections - infect computers with other malware. Additionally, users can be tricked into infecting operating systems via third party, unofficial software updating and activation ('cracking') tools. Third party updating tools can be designed to install malware instead updates and/or fixes for installed software, or to infect systems by exploiting bugs, flaws of outdated software that is installed on user's computer. Unofficial activations are illegal programs that supposed to activate licensed software, however, like third party updaters - they can install malware instead.

Threat Summary:
Name Zasifrovano Zaplat virus
Threat Type Ransomware, Crypto Virus, Files locker
Encrypted Files Extension .zasifrovano zaplat
Ransom Demanding Message Pop-up window, HOW TO DECRYPT FILES.txt
Ransom Amount 0.0356 BTC
BTC Wallet Address 1i7A52rNThnnFpxVsBCzAwW6z4G55Q5Rg
Detection Names AVG (Win32:Trojan-gen), Cybereason (Malicious.746d1c), ESET-NOD32 (A Variant Of MSIL/TrojanDropper.Agent.DTL), Kaspersky (Trojan-Ransom.Win32.Xorist.ln), Full List Of Detections (VirusTotal)
Rogue Process Name satan.exe (its name may vary)
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.
Additional Information Ransom notes are written in Czech language
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?

Software (and files) should be downloaded from official websites and via direct links. Other sources like third party downloaders, unofficial pages, Peer-to-Peer networks (like torrent clients, eMule, etc.), freeware download and free file hosting sites, etc., should not be used for that. Third party installers should not be used to install any software as well. Attachments and links in irrelevant emails that are sent from unknown, suspicious addresses should not be opened. Quite often emails of this kind are sent by cyber criminals/with a purpose to distribute malware. Installed software has to be updated and activated only with tools that are designed/provied by its official  developers. Other (third party, unofficial) tools can be and often are used to distribute malware. It is worthwhile to mention that it is not legal to use 'cracking' tools (unofficial activators) to activate any licensed software. One more way to keep operating systems/computers safe is to regularly scan them for threats with a reputable antivirus or anti-spyware software. If your computer is already infected with Zasifrovano Zaplat, we recommend running a scan with Malwarebytes for Windows to automatically eliminate this ransomware.

Text presented in Zasifrovano Zaplat ransomware's pop-up window and "HOW TO DECRYPT FILES.txt" file (written in Czhech):

Ahoj, Naposledy jste navštívili Porno stránky s dospívajícími, stáhli jste a nainstalovali software, který jsem vytvoøil. Mùj program zapnul fotoaparát a zaznamenal proces vaší ?asturbace. Mùj software také popadl všechny vaše e-mailové seznamy kontaktù a seznam vašich pøátel na Facebooku,Skypu,Whatsapp,Viber. Mám -  - s vámi ?asturbuje na teenageøi, stejnì jako soubor se všemi kontakty na mém poèítaèi. Jste velmi zvrhlí! Pokud chcete, abych odstranil oba soubory a uchoval tajemství, musíte mi poslat platbu Bitcoinem. Dávám vám 72 hodin na platbu. Pokud nevíte, jak s Bitcoinem platit, hxxps:// Pøeneste 9000 CZK (0,0356 BTC) na tuto adresu Bitcoin co nejdøíve: 1i7A52rNThnnFpxVsBCzAwW6z4G55Q5Rg (kopírování a vkládání) 1 BTC = 118.000 CZK právì teï, takže odešlete pøesnì 0,0356 BTC na výše uvedenou adresu. Nesnaž se mì podvádìt! Jakmile otevøete tento e-mail, budu vìdìt, že jste jej otevøeli. Sleduji všechny akce ve vašem zaøízení.72hodin.

Rough English translation:

Hi, The last time you visited a Teen Porn Site, you downloaded and installed software that I created. My program turned on the camera and recorded the process of your asturbation. My software also grabbed all your email contact lists and your friends list on Facebook, Skype, Whatsapp, Viber. I have - - with you - masturbating on a teenager, as well as a file with all the contacts on my computer. You are very perverted! If you want me to delete both files and keep them a secret, you have to send me a payment by Bitcoin. I give you 72 hours to pay. If you don't know how to pay with Bitcoin, hxxps:// Transfer 9000 CZK (0.0356 BTC) to this Bitcoin address as soon as possible: 1i7A52rNThnnFpxVsBCzAwW6z4G55Q5Rg (copy and paste) 1 BTC = 118.000 CZK right now, so send exactly 0.0356 BTC to the above address. Don't try to cheat on me! Once you open this email, I'll know you opened it. I watch all the actions on your device.72 hours.

Screenshot of Zasifrovano Zaplat's text file:

Zasifrovano Zaplat ransomware text file (

Zasifrovano Zaplat running in Task Manager as "satan.exe" (its name may vary):

zasifrovano zaplat malicious satan.exe process in task manager

Screenshot of files encrypted by Zasifrovano Zaplat (".zasifrovano zaplat" extension):

Files encrypted by Zasifrovano Zaplat ransomware (.zasifrovano zaplat extension)

Screenshot of Zasifrovano Zaplat's desktop wallpaper:

zasifrovano zaplat desktop wallpaper

Zasifrovano Zaplat 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 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

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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 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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Global malware activity level today:

Medium threat activity

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