ransomware / virus (Free Guide) virus Removal Guide

What is ransomware virus?

Crysis adds another member to its ransomware family: virus virus is an addition to Crysis network as it appears to be one of those malicious data-encrypting viruses that add victim’s ID, contact email address and .xtbl file extension to encrypted files. ransomware employs a combination of RSA and AES encryption algorithms, which convert personal files into useless records that cannot be opened, edited, or manipulated in any way. Just like other ransomware viruses, malware leaves ransom notes in two different formats on victim’s PC. These files are typically called How to decrypt your files.txt (and also identically named file in .html format). The ransomware simply changes the desktop wallpaper with a picture that contains some text. It confirms that files have been strongly encrypted, and says that data recovery without the original decryption key is impossible. According to the ransom note, the decoder and the original key can be purchased from culprits, but in order to find out how much these data recovery tools cost, the victim needs to write to email.

XTBL viruses are known to be very greedy, so don’t get shocked when you find out how much dollars they want. Some Crysis variants ask more than 10 Bitcoins in exchange for data recovery kit, and this sum of money equals to 7418 US dollars. You should not even consider paying the ransom. Although losing valuable data is a devastating experience, paying the ransom can simply worsen the situation. Don’t try to negotiate with criminals, because recently they started to negotiate in a dirty way. Don’t get too excited if they agree to lower the ransom price – it means that they are going to ask for the rest of the sum once you transfer the smaller ransom that you and criminals have agreed on. Besides, there were many cases when victims never got response from criminals after paying the ransom. Besides, Crysis decryption tool is likely to help you with data recovery, so just remove virus quickly and start recovering your files. If you have a backup, you can use it, but only after completing removal procedure. If you do not know where to start, read tips provided at the end of this post. virus attack

Dissemination of malware ransom-demanding Trojan is distributed with a help of exploit kits, malvertising, email spam, and other distribution techniques. In general, you should rely on common sense to protect your device from its infiltration. For example, if you receive an email from a suspicious company or individual that fails to write faultlessly, you should ask yourself whether it’s worth opening such electronic letter or files attached to it. If you didn’t know this yet, even safe-looking text files (for instance, Word) can contain malicious payload. Nowadays, criminals do not need to send .exe files to affect target computers. Since criminals enhance their trickeries, awareness of trending malware distribution techniques can save your device from ransomware attack. Don’t click on too good to be true ads, don’t install suspicious software (including legitimate software from dubious web sources), and don’t open vague emails. Finally, protect your system with anti-malware software and have a data backup.

Remove virus

Install, update and run anti-malware software to detect and remove virus. XTBL ransomware viruses are extremely dangerous and they severely contaminate the system, so it is not recommended to experiment and try to remove it manually. To start the removal procedure, reboot your PC into Safe Mode w/ Networking using instructions presented below.

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Compatible with Microsoft Windows Compatible with macOS
What to do if failed?
If you failed to fix virus damage using Fortect Intego, submit a question to our support team and provide as much details as possible.
Fortect Intego has a free limited scanner. Fortect Intego offers more through scan when you purchase its full version. When free scanner detects issues, you can fix them using free manual repairs or you can decide to purchase the full version in order to fix them automatically.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Fortect, try running SpyHunter 5.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Intego, try running Combo Cleaner.

Getting rid of virus. Follow these steps

Manual removal using Safe Mode

Important! →
Manual removal guide might be too complicated for regular computer users. It requires advanced IT knowledge to be performed correctly (if vital system files are removed or damaged, it might result in full Windows compromise), and it also might take hours to complete. Therefore, we highly advise using the automatic method provided above instead.

Step 1. Access Safe Mode with Networking

Manual malware removal should be best performed in the Safe Mode environment. 

Windows 7 / Vista / XP
  1. Click Start > Shutdown > Restart > OK.
  2. When your computer becomes active, start pressing F8 button (if that does not work, try F2, F12, Del, etc. – it all depends on your motherboard model) multiple times until you see the Advanced Boot Options window.
  3. Select Safe Mode with Networking from the list. Windows 7/XP
Windows 10 / Windows 8
  1. Right-click on Start button and select Settings.
  2. Scroll down to pick Update & Security.
    Update and security
  3. On the left side of the window, pick Recovery.
  4. Now scroll down to find Advanced Startup section.
  5. Click Restart now.
  6. Select Troubleshoot. Choose an option
  7. Go to Advanced options. Advanced options
  8. Select Startup Settings. Startup settings
  9. Press Restart.
  10. Now press 5 or click 5) Enable Safe Mode with Networking. Enable safe mode

Step 2. Shut down suspicious processes

Windows Task Manager is a useful tool that shows all the processes running in the background. If malware is running a process, you need to shut it down:

  1. Press Ctrl + Shift + Esc on your keyboard to open Windows Task Manager.
  2. Click on More details.
    Open task manager
  3. Scroll down to Background processes section, and look for anything suspicious.
  4. Right-click and select Open file location.
    Open file location
  5. Go back to the process, right-click and pick End Task.
    End task
  6. Delete the contents of the malicious folder.

Step 3. Check program Startup

  1. Press Ctrl + Shift + Esc on your keyboard to open Windows Task Manager.
  2. Go to Startup tab.
  3. Right-click on the suspicious program and pick Disable.

Step 4. Delete virus files

Malware-related files can be found in various places within your computer. Here are instructions that could help you find them:

  1. Type in Disk Cleanup in Windows search and press Enter.
    Disk cleanup
  2. Select the drive you want to clean (C: is your main drive by default and is likely to be the one that has malicious files in).
  3. Scroll through the Files to delete list and select the following:

    Temporary Internet Files
    Recycle Bin
    Temporary files

  4. Pick Clean up system files.
    Delete temp files
  5. You can also look for other malicious files hidden in the following folders (type these entries in Windows Search and press Enter):


After you are finished, reboot the PC in normal mode.

Remove using System Restore

  • Step 1: Reboot your computer to Safe Mode with Command Prompt
    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with FortectIntego and make sure that removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by security experts.

To start the data recovery procedure, remove the ransomware using anti-malware program. Then we suggest you create a backup of encrypted files and store it on an external drive. Then you should try to decrypt your files using Crysis decryption tool.

If your files are encrypted by, you can use several methods to restore them:

Download CrySiS decryption tool

Try to decrypt your files using CrySiS decrypter. Firstly, search your computer for Command Prompt, then open it. Then type ESETCrysisDecryptor.exe C: and press Enter. This will scan the C drive. To scan other drives replace C: with a particular drive letter.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from and other ransomwares, use a reputable anti-spyware, such as FortectIntego, SpyHunter 5Combo Cleaner or Malwarebytes

How to prevent from getting ransomware

Stream videos without limitations, no matter where you are

There are multiple parties that could find out almost anything about you by checking your online activity. While this is highly unlikely, advertisers and tech companies are constantly tracking you online. The first step to privacy should be a secure browser that focuses on tracker reduction to a minimum.

Even if you employ a secure browser, you will not be able to access websites that are restricted due to local government laws or other reasons. In other words, you may not be able to stream Disney+ or US-based Netflix in some countries. To bypass these restrictions, you can employ a powerful Private Internet Access VPN, which provides dedicated servers for torrenting and streaming, not slowing you down in the process.

Data backups are important – recover your lost files

Ransomware is one of the biggest threats to personal data. Once it is executed on a machine, it launches a sophisticated encryption algorithm that locks all your files, although it does not destroy them. The most common misconception is that anti-malware software can return files to their previous states. This is not true, however, and data remains locked after the malicious payload is deleted.

While regular data backups are the only secure method to recover your files after a ransomware attack, tools such as Data Recovery Pro can also be effective and restore at least some of your lost data.

About the author
Olivia Morelli
Olivia Morelli - Ransomware analyst

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