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Unlock92 ransomware virus. How to remove? (Uninstall guide)

removal by Ugnius Kiguolis - - | Type: Ransomware

Features of the Unlock92 ransomware virus:

Unlock92 virus is known as a continuation of Kozy.Jozy ransomware project. Both of these programs, as well as numerous other ransomware, are designed to infiltrate computers and encrypt the predetermined files on them. This virus uses the RSA-2048 algorithm to encrypt these files. The main files that the virus targets are the so-called working files, i.e. the ones that users frequently use, including .docx, .rar, .jpg or .xls. The whole encryption process may take a hour or two, and after it is completed, the virus-affected files will display the extension .CRRRT appended to their filenames. Some other alterations of this virus adds .blocked file extensions. Sadly, virus shows no signs during the encryption procedure that the victim could notice, because it starts to corrupt data in deeper system directories and finishes with the ones in the desktop folder. Therefore, the victim practically cannot notice that virus is encrypting the files, and consequently, cannot realize that it needs to be stopped. In fact, it is very difficult to notice the ransomware infiltration in its initial stages because these viruses are particularly stealthy. In general, the only thing that can stop ransomware attack is an up-to-date anti-malware tool with real-time protection feature. If your computer has been effected by this ransomware, you should not even start thinking about paying the ransom. Malware experts have already built an Unlock92 decryptor that can revert your files back to their initial state for free. Before using this tool, you should remove Unlock92 virus. If you use acknowledged anti-malware scanners such as Reimage, Unlock92 removal appears to be an easy task to do. However, we cannot say the same about manual ransomware removal method. If you’re not an advanced IT expert, please do not try to uninstall this virus on your own.

A screenshot of the Unlock92 ransomware ransom note

Unlock92 is one of the particular country-oriented viruses and seems to be designed to hijack Russian operating systems. The ransom note that the virus drops after encrypting the files is written in Russian (it also shows up as a desktop picture), yet it is interesting that the address the criminals provide links to India. The victim is encouraged to contact the hackers via UNLOCK92(@)INDIA.COM in order to retrieve their files. To do that, the victim has to send a single encrypted document together with a key.bin file which can be found in every infected folder of the computer. It is yet unclear what sum do the criminals demand for the file decryption, but, presumably, it may vary from 0.5 to 3 bitcoins. Needless to say, collaborating with the criminals can end up disastrously: you may not be issued the decryption key and lose your money as well. Thus, we recommend hurrying up with the Unlock92 removal instead of emptying your pockets, especially because you can use a free decryption tool for Unlock92 virus created by malware analysts.

Other Unlock92 versions:

Unlock92 2.0 The virus researchers do not have much information about this new virus just yet, but the things that are known suggest that it is similar to the primary version. It was found that the current version now uses .CCCRRRPPP extension to indicate the encrypted files. Also, data recovery instructions are now presented in the ORIG.jpg file which is set as the infected computer’s desktop background. More information about this virus may emerge any time soon, so stay tuned.

Kukuracha ransomware virus. Unlock92 virus’ authors do not sit on their hands – they elaborate the structure of this malicious program and do their best to make it more dangerous. As a result, new ransomware version has been released, and this time it appends .kukuracha file extensions to encrypted records. This new version is coded in C# programming language and uses Dotfuscator to hinder reverse engineering. We assume that malware creators have employed this tool to prevent malware analysts from analyzing its code, because recent and less complex versions of Unlock92 ransomware proved to be easily decryptable. At the moment, .kukuracha file extension files cannot be decrypted, but it is very unlikely that they are going to remain undecryptable in the future. You should be patient, create a copy of encrypted data and safely store it on an external drive. Also, there is no reason to keep Kukuracha virus on your PC if you do not plan to pay the ransom, so exclude it from PC using anti-malware tools. Files related to this malware: keycode.tta, ksatat.exe.

What protection is sufficient to prevent ransomware viruses?

To tell you the truth, there is no 100% guaranteed method to protect your device from the Unlock92 malware. Such programs are usually very widespread and can infect computers in various ways. Is is most common to encounter this malicious program in your email or unknowingly download it disguised as a software update. It comes naturally that behaving recklessly online can quickly end up in a ransomware infection even if your computer is equipped with sophisticated antivirus gear. So, to ensure your a better protection of your files, you should make backups and keep them stored on remove some remove drives.

Pros and cons of the Unlock92 removal:

There are a lot of benefits to the Unlock92 removal. You are able to use your computer as usual, and you can be sure about the security of your files. However, there are some negative aspects as well. First of all, the virus elimination does not mean that the encrypted files will lose the cipher. More likely they will remain encrypted, unless, of course, a decryption tool is used to unlock them. Another issue relates to the fact that manually deleting the virus may damage the computer and even result in a complete loss of files. To avoid such errors, you should use reputable antivirus software and, if needed, instructions provided by our team of professionals below this article.

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If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
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Manual Unlock92 virus Removal Guide:

Remove Unlock92 using Safe Mode with Networking

  • 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 Unlock92

    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 Unlock92 removal.

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

Remove Unlock92 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 Unlock92. 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 Unlock92 removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove Unlock92 from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by security experts.

If your files are encrypted by Unlock92, you can use several methods to restore them:

Use Unlock92 Decrypter

There is a free decryption tool available; so instead of making the ransom payment, remove the virus and then download this extremely useful piece of software instead: Unlock92 decrypter. Please do not select .ZIP file as an example to get the decryption key, because this tool will discover a false-positive key!

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Unlock92 and other ransomwares, use a reputable anti-spyware, such as Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware

About the author

Ugnius Kiguolis
Ugnius Kiguolis - The mastermind

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  • jared

    cant unlock my files!! ah! im infected with some new version I guess..

  • Lupus

    I have been infected with kukuracha version, seems no way to recover files… hopefully somebody releases a decryption tool soon

  • Brava

    My files have .blocked file extensions. Hope this decryptor works

  • safe

    Thanks for the decryptor!!!