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

removal by Olivia Morelli - - | Type: Ransomware
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Rastakhiz corrupts the most popular files and asks for the ransom

Ransom note by Rastakhiz ransomware

Rastakhiz is a HiddenTear[1] based malware that is designed to encrypt files on the targeted computer. Ransomware appends .RASTAKHIZ file extension in order to make files inaccessible. Following this destructive behavior, the virus delivers a poorly written and impolite ransom note.

The ransom note tells that users are “screwed” because Rastakhiz ransomware encrypts their images, videos, songs, text files and other data. Victims are asked to transfer the ransom of 250 USD to the provided Bitcoin wallet address until the given time expires.

The ransom note provides detailed instructions how to pay the ransom and claims that developers are the only ones who can help to get back access to the encrypted files, and users should trust them:

“Don’t worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users.”

Victims are also asked to provide their unique ID number and email address in order to receive the decryption key. According to the researchers, authors of the Rastakhiz ransomware will respond within 6-8 hours via gsah5029@gmail.com andalihacker8001@gmail.com email addresses. However, it’s doubtful that Google won’t notice such strange activities and won't suspend these accounts.

However, no matter what criminals promise, you should not believe them.[2] No one can assure if they keep their word or have a working decryption software. Thus, it’s better to remove Rastakhiz from the device to avoid money loss and make sure that your computer is safe to use again.

Additionally, some of the files might be restored with HiddenTear decryptor or other third-party software. However, if you have backups, you should not worry about criminals’ demands. You should opt for the Rastakhiz removal immediately.

Keep in mind that crypto-viruses are complicated cyber threats. They might affect legit system processes and install numerous malicious components. Thus, you should use Reimage or another legit malware removal tool to eliminate all malware-related files safely.

Taking precautions is a must to avoid file encrypting virus

Rastakhiz, as well as many other crypto-viruses, spread via malicious spam emails, bogus downloads, fake updates or malicious ads. Malware researchers from Bedynet[3] report that any antivirus, anti-malware, anti-spyware or another sophisticated security program cannot fully protect a device from malware. Thus, users should protect themselves by following these tips:

  • Do not open suspicious or spam emails. If you open it, do not click on any content, such as links, buttons or attachments, because they might install malware on the PC.
  • Before opening email attachments or other content always check the information about the sender and issue.
  • Download software from the publisher’s of developer’s websites only.
  • Stay away from torrents, P2P networks, file-sharing sites and similar free sources because they often include malicious content that looks like safe programs or cracks.
  • Do not download illegal content, including programs, music, movies, etc.
  • Update software from the official sources and ignore pop-up alerts that might appear on various websites. They are always malicious.
  • Make backups and update them regularly.

Removal guide of the Rastakhiz virus

If you are thinking about manual Rastakhiz removal, you should get rid of this idea right now. It’s a complicated and risky activity because you might damage the system or keep some malware-related entries on the device.

To remove Rastakhiz safely and entirely, you have to use a reputable anti-malware program and run a full system scan. We recommend using Reimage and Malwarebytes Anti Malware, but you can choose your preferred tool as well. However, if you cannot install security program, follow the guide below.

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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.
Reimage is recommended to uninstall Rastakhiz 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.
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Manual Rastakhiz virus Removal Guide:

Remove Rastakhiz using Safe Mode with Networking

If you cannot run automatic malware's elimination, reboot to 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 Rastakhiz

    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 Rastakhiz removal.

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

Remove Rastakhiz using System Restore

System Restore might help to install or activate security software:

  • 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 Rastakhiz. 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 Rastakhiz removal is performed successfully.

Bonus: Recover your data

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

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

Data Recovery Pro might help to restore files encrypted by Rastakhiz ransomware

This tool is created to recover files after system wreckage or accidentally deleted data. However, some users report that it also helped after various ransomware attacks. Thus, you should give it a try.

Take advantage of Windows Previous Versions feature

Computer users who enabled System Restore method before ransomware attack can copy individual versions of files by following these steps:

  • 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”.

Try ShadwoExplorer to restore data

If malware did not delete Shadow Volum Copies of the targeted tiles, do not hesitate and try this tool:

  • 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.

HiddenTear decryptor

The official Rastakhiz decryptor is not available yet. However, you can try tools that help to restore files encrypted by HiddenTear because malware is based on its code. Try decryptor 1 and decryptor 2.

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

About the author

Olivia Morelli
Olivia Morelli - Ransomware analyst

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