Cry36 ransomware virus. How to remove? (Uninstall guide)

removal by Alice Woods - - | Type: Ransomware
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Cry36 ransomware severely damages victim's files to demand a ransom

Cry36 ransomware is a unique version of CryptON (Nemesis) virus that encodes files using cryptographic ciphers and refuses to reverse the encryption until the victim pays a required sum of money (ransom). The malware creates a file called ### DECRYPT MY FILES ###.txt, which holds instructions on how to recover encrypted records. This malicious virus differs from other CryptON versions such as Cry128 or Cry9 because files that it encrypts turn out to be 36 bytes larger than their original copies. The ransomware scans all system folders and encrypts data with specific file extensions. After encrypting a target file, the malware adds a particular string to its filename. The new file extension consists of victim’s ID, criminal’s email address, and random file extension of 4 characters. Victims have already reported the following file extensions:

  • .id-2559797930_[mk.smoke@aol.com].a97rq;
  • .id-1163283255_[liukang@mortalkombat.su].aj29p;
  • .2271021857_[mk.rain@aol.com].be87r.

Cry36 ransomware

The ransomware doesn’t state what amount of money should be paid in order to get the Nemesis decryptor. Instead, it suggests writing to criminals’ email address to get the instructions. Currently, known email addresses are mk.smoke@aol.com, liukang@mortalkombat.su, and mk.rain@aol.com. The criminals ask to provide victim’s ID in the message to them, and also provide links to a .onion website with a chat box (an alternative way to contact the cyber criminals). If your files were encrypted by the malicious ransomware and you can no longer open them, do not lose your hope to see them again –  malware researchers might succeed in attempts to create a free decrypter. Until then, try data recovery solutions we described at the end of this post. Before you attempt to download any data recovery tools, remove Cry36 virus with Reimage or another powerful malware uninstaller. We also want to add that the decryptor released for earlier CryptON versions[1] do not work for this ransomware variant.

Traditional ransomware distribution schemes

Ransomware has been distributed in similar ways for years. Although some parts of the distribution strategies were readjusted and improved, we can say that the majority of these malicious viruses are still being distributed via malicious spam. In other words, scammers add malicious files to emails and send them out to hundreds of email accounts worldwide. After opening the email attachment, the victim lets the ransomware into the system. However, recently attackers started to rely on RDP attacks. For this reason, we suggest users to use strong passwords for accounts with remote access to the computer network. Finally, having an up-to-date anti-malware software and a backup is a must. If you do not have one of them, the risk of losing your private files increases. On top of that, we want to warn you that not all ransomware variants are crackable, and only because researchers managed to defeat Cry36, it doesn’t mean that any other ransomware variant can be analyzed and reversed so efficiently. For instance, files locked by Cerber[2] cannot be accessed using any other tools except the ones that the developers of the ransomware suggest buying for ridiculous amounts of money.

Remove Cry36 before you try to decrypt the locked files

Do not try to access your data until you completely remove Cry36 virus. The ransomware must be deleted carefully because leaving any of its remains on the system opens up security vulnerabilities and increases the risk of catching more dangerous viruses in the future. Do not waste your time and delete the malware according to Cry36 removal instructions we provided. After uninstalling the virus, take a look at data recovery solutions provided at the very end of this page.

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What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to uninstall Cry36 ransomware virus. 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.

More information about this program can be found in Reimage review.

More information about this program can be found in Reimage review.

Manual Cry36 virus Removal Guide:

Remove Cry36 using Safe Mode with Networking

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

Remove the virus by deleting all of its files using anti-malware program.

  • 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 Cry36

    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 Cry36 removal.

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

Remove Cry36 using System Restore

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

  • 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 Cry36. 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 Cry36 removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove Cry36 from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

Suggested data recovery methods are provided below.

If your files are encrypted by Cry36, you can use several methods to restore them:

Recovery with Data Recovery Pro

Use this tool to restore files encrypted by ransomware.

Shadow Exploring

Volume Shadow Copies can be used to restore your files for free. Try to find out whether the virus deleted them or not using ShadowExplorer.

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Follow a Shadow Explorer Setup Wizard and install this application on your computer;
  • Launch the program and go through the drop down menu on the top left corner to select the disk of your encrypted data. Check what folders are there;
  • Right-click on the folder you want to restore and select “Export”. You can also select where you want it to be stored.

Cry36 decryption tool

Files encrypted by Cry36 cannot be recovered using any third-party tools. We do not recommend paying the ransom to buy the decrypter from cyber criminals as it can bring additional malware to your PC.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Cry36 and other ransomwares, use a reputable anti-spyware, such as Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware

About the author

Alice Woods
Alice Woods - Likes to teach users about virus prevention

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References

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