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CryptoKill ransomware virus. How to remove? (Uninstall guide)

removal by Ugnius Kiguolis - - | Type: Ransomware

CryptoKill authors won’t provide you with decryption key even if you pay the ransom

Questions about CryptoKill ransomware virus

CryptoKill virus is just a new ransomware variant based on HiddenTear[1] open source ransomware code. Once installed, the virus encrypts victim’s data and appends .crypto extensions to corrupted files. After that, it creates and saves CRYPTOKILL_README.txt file (ransom note) on the desktop. CryptoKill is not a screen locker virus – it actually corrupts files, but it simply is not able to help victims if they obey the commandments of cyber criminals[2]. Just like any typical ransom-demanding virus, it asks to buy some Bitcoins and send these to a certain Bitcoin wallet. If you have been infected with this ransomware, it is very important to know that YOU MUST NOT pay the ransom, because the virus doesn’t save any keys regarding the encryption/decryption[3] procedure. Therefore, scammers cannot practically provide you with decryption tool even if you pay the ransom.

This malicious program is a perfect example of a poorly-coded virus that fails to do everything correctly, and consequently, the bug in the program’s code doesn’t allow criminals to know decryption keys that victims might be willing to obtain. If your files suddenly became inaccessible and they have .crypto file extensions added to them, remove CryptoKill virus from the machine as soon as you can. Keeping malicious files leave your computer open to further malware infections, so secure it by wiping the virus from it with a decent anti-malware software. We suggest using Reimage or Plumbytes Anti-MalwareMalwarebytes Malwarebytes for CryptoKill removal.

How can I avoid ransomware viruses?

If you have been attacked by ransomware virus, you sure do not want to experience that ever again. Therefore, you must get familiar with ransomware distribution tricks. The most efficient method to infect victims is to simply send them a convincing email message containing some attachments. Once executed, these attachments compromise the system and render all files useless. It goes without saying that it is the main reason why we always recommend our visitors to keep clear of emails sent by unknown individuals; however, you can not always stay alert and think about possible dangers while browsing the Internet. More advanced cyber criminals manage to hack ad networks[4] and make them distribute malware-laden ads, they can also compromise legitimate websites and make them display bogus “The HoeflerText wasn’t found” warnings[5]. To keep your system secure, we recommend installing a reliable anti-malware program.

How can I remove CryptoKill ransomware?

If you suddenly became a victim of malicious software known as ransomware, you might start considering the option of paying the ransom. In the case of CryptoKill ransomware, you should forget about this option because it will definitely won’t help you to recover your files. Therefore, you are advised to remove CryptoKill virus as soon as possible and use a data backup (if you have it) to restore your files. Below, you will find a complete guide on how to carry out CryptoKill removal successfully. Please let us know if you have any questions regarding this virus or data recovery.

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Compatible with Microsoft Windows Supported versions Compatible with OS X Supported versions
What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove CryptoKill virus, follow these steps:

Remove CryptoKill using Safe Mode with Networking

CryptoKill virus corrupts your data for good. There’s no point in paying the ransom because cybercriminals simply cannot provide you with decryption key. To remove CryptoKill, restart your PC using instructions given below and eliminate the malware with strong anti-malware tools.

  • Step 1: Reboot your computer to Safe Mode with Networking

    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 Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    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 Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove CryptoKill

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete CryptoKill removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove CryptoKill 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 CryptoKill. 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 Reimage and make sure that CryptoKill removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove CryptoKill from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

If you do not have data backup, you might be interested to try these data recovery methods.

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

Data Recovery Pro method

Certain data recovery tools can help you to find safe file copies or maybe restore corrupted ones. Although we cannot guarantee that this tools works perfectly in this case, we suggest trying Data Recovery Pro.

  • Download Data Recovery Pro;
  • Follow the steps of Data Recovery Setup and install the program on your computer;
  • Launch it and scan your computer for files encrypted by CryptoKill ransomware;
  • Restore them.

Restore with Windows Previous Versions

If your files have been corrupted, try to remember if you have created a system restore point in the past. If you did, use these instructions to recover the most important files.

  • Find an encrypted file you need to restore and right-click on it;
  • Select “Properties” and go to “Previous versions” tab;
  • Here, check each of available copies of the file in “Folder versions”. You should select the version you want to recover and click “Restore”.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from CryptoKill and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

Ugnius Kiguolis
Ugnius Kiguolis - The mastermind

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References