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RaRuCrypt ransomware. How to remove? (Uninstall guide)

removal by Jake Doevan - - | Type: Ransomware

RaRuCrypt ransomware – one of the cheapest Russian viruses that encrypt files 

RaRuCrypt virus

RaRuCrypt ransomware is a dangerous virus which encrypts[1] your data and demands a ransom to be paid for its recovery. The note is primary dedicated to Russian speakers, as it requires using VKontakte to contact hackers and a special amount of Rubles (currency of Russia) to be paid as the ransom. At the moment, hackers demand 200 RUB in Bitcoin which is probably the smallest ransomware required by hackers to be paid for file encryption. 

As soon as RaRuCrypt invades the target machine, it embeds itself deep within computer system files and modifies Windows registry. Therefore, each time the device is started, the virus initiates a scan for new system files and encrypts them. Soon after that it drops the ransom note of .txt format on computer's screen which informs the victim about the current situation and asks using VKontakte social network to contact its developer.

The ransom note of RaruCrypt states:

Attention! Your files were encrypted!
Decryption costs: 200 RUB.
Contacts: vk.com/id12269280

RaRuCrypt ransomware uses RSA cipher to lock up files. Hence, the encryption key is kept publicly, instead of privately. Therefore, security expert Jakub Kroustek[2] discovered that data could be decrypted using password “S?{DCO^C!{L@CR^+<7E}2””S?{DCO^C!{L@CR^+<7E}2″.

Even if the recovery of your files might seem like a priority for you, we highly recommend taking care of RaRuCrypt removal first. Otherwise, the virus might initiate another encryption of your important files and start requiring a bigger ransom. To get rid of this malware without wasting your precious time, use reliable security software, like Reimage or Plumbytes Anti-MalwareNorton Internet Security.

A ransom of 200 Rubles is a relatively small amount of money, so some of victims who do not have access to their business documents, important photos and similar data might consider paying it. However, we do not recommend contacting hackers as they are known to ignore victims, even after the ransom is handled. Additionally, you will encourage cybercriminals to continue their crimes as they get funding for their destructive deeds.

In most cases, hackers provide an email address to contact them. However, these criminals use a profile of a popular social network vk.com for contacting them. It is not surprising that authors of the social network blocked the account immediately.

Before trying to decrypt your files to recover them, you should remove RaRuCrypt ransomware from your computer. In case you do the opposite, your data might be locked again right after rebooting the computer. Proceed to virus removal and data recovery instructions below this article.

Beware of dubious emails

Security experts from utanvirus.se[3] note that most popular distribution method of ransomware is via contaminated email attachments. Typically, service providers flag up suspicious emails as spam. Therefore users should pay attention to these markings.

However, the built-in automated security system might fail to work. Therefore, some users might be confused whether the email is credible. Nevertheless, users should look for unusual signs in the email: poor grammar, the email address the message came from and similar. Typically, the author states that the attachment is critical to open, as it claims to be from a bank or even the government. However, do not get tricked by a fraud.

Elimination and decryption methods of RaRuCrypt crypto-virus

The only guaranteed way to have a chance to recover your files is to keep them on a backup drive or a remote server. Thus, we advise you to take care of your back-ups now and regularly renew them.

However, before proceeding to file recovery, you must remove RaRuCrypt ransomware from your machine completely. Ransomware is a severe infection as it damages your files and makes them unusable. Therefore, it should be taken care of properly. Hence, we do not recommend manual RaRuCrypt removal.

Instead, you should employ decent security software which can find the infection and delete it permanently. We recommend using Reimage, Malwarebytes or Plumbytes Anti-MalwareNorton Internet Security. Be aware that the virus might prevent startup of the application. In that case, you should restart your computer in a Safe Mode with Networking and launch program that way.

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To remove RaRuCrypt virus, follow these steps:

Remove RaRuCrypt using Safe Mode with Networking

If the RaRuCrypt crypto-virus is blocking security software launch, you should restart your computer in 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 RaRuCrypt

    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 RaRuCrypt removal.

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

Remove RaRuCrypt using System Restore

You can also try 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 RaRuCrypt. 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 RaRuCrypt removal is performed successfully.

Bonus: Recover your data

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

Even if the ransom is relatively small (200 Rubles), please do not attempt to contact cybercriminals. It will only encourage them to produce more viruses and infect more victims. Instead, you should try file recovery programs mentioned below.

 

 

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

Reclaim your files by employing Data Recovery Pro

This tool might help you with file recovery. It might recover files and you can saved in the desired destination on your hard drive.

  • 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 RaRuCrypt ransomware;
  • Restore them.

Windows Previous Versions feature might be useful in recovering your data from RaRuCrypt ransomware damage

Be aware that this recovery method only works if you have System Restore function enabled.

  • 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”.

You can also try using ShadowExplorer if your files got encrypted

Data can be recovered easily if the ransomware did not remove Shadow Volume Copies on your machine.

  • 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.

Use special code to recover encrypted files

Malware researcher Jacub Kroustek has already discovered a special code that can be used to recover encrypted data. Try entering this code to get your files back: S?{DCO^C!{L@CR^+<7E}2””S?{DCO^C!{L@CR^+<7E}2.

About the author

Jake Doevan
Jake Doevan - Computer technology expert

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References