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

removal by Alice Woods - - | Type: Ransomware
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Tyrant is a new cyber threat for computer users in Arabic countries

Ransom note by Tyrant ransomware virus

Tyrant is a file-encrypting virus that seems to target Arabic computer users. It encrypts files using AES[1] encryption and runs a ransom note where victims are asked to pay $15 for data recovery. These demands have to be completed within 24 hours time.

According to the research analysis, two executable files – DUMB.exe and locker.exe – are associated with Tyrant virus. As soon as malicious program infiltrates the system, it makes some changes to Windows system and encrypts various targeted files. Then it informs victims about data encryption and asks to pay the ransom.

Malware runs a “Crypto Tyrant” program that presents data recovery instructions which are written in the Persian language. You can read the translated text below:

Your files are encrypted. You have 24 hours to pay a ransom of $15 dollars. Further redemption amount will depend on the period that has elapsed since 24 hours …
The decipherer of the files will be sent after payment is received. If you have any questions, please contact us by email, we will answer you …
Praise be to Allah, and in the Hereafter!

It seems that Crypto Tyrant ransomware aims at the small amount of computer users who live in Iran or other Arabic countries. However, it doesn’t mean that users in Europe or the United States cannot get infected with this crypto-malware.

Even though cyber-criminals demand a small ransom, victims are still not advised to pay it. Even 15 dollars is a motivation for the hackers to continue they illegal work and create more sophisticated infections. Thus, you should focus on Tyrant removal instead of hoping that criminals will keep their promise and provide the decryption software.

In order to remove Tyrant virus, you have to obtain a professional security program and run a full system scan. Our team recommends choosing Reimage for this task. However, you can choose any other software, but don’t forget to update it first to wipe out all malicious content from the device.

The ways how file-encrypting virus spreads

Tyrant, as well as other ransomware-type cyber threats, are most likely to be distributed via malicious spam emails. Typically they include a malicious attachment that is presented as a useful document, invoice or statement. Therefore, users are easily tricked by the safe look of the attachment.

Security experts from the Netherlands[2] warn that people have to be not only vigilant with received emails but also avoid downloading illegal content,[3] software from unreliable sources and stay away from suspicious ads. Malicious programs spread using various techniques, thus it;s important to watch your clicks to avoid ransomware attack.

Additionally, users are advised to install a reputable antivirus program and create backups that will be crucial in case of ransomware infiltration.

The correct way to eliminate Tyrant virus

Ransomware is one of the most dangerous and complicated cyber threats. Thus, Tyrant removal should be completed properly. The virus may have affected various system processes and installed other damaging files or programs. Sometimes malware might open a backdoor. Hence, your computer is in danger.

The safe and correct way to remove Tyrant is to obtain a reputable malware removal tool, such as Reimage or Malwarebytes Anti Malware, and get rid of the virus automatically. In order to install and run a security program, users have to reboot their computers to Safe Mode with Networking as shown in the instructions below.

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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 Tyrant 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 Tyrant virus Removal Guide:

Remove Tyrant 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.

Follow these steps to disable the virus and run an automatic removal:

  • 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 Tyrant

    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 Tyrant removal.

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

Remove Tyrant 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 Tyrant. 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 Tyrant removal is performed successfully.

Bonus: Recover your data

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

Paying the ransom should not be considered as a data recovery solution. Unfortunately, the official decryptor is not available yet. However, you can try to use third-party software that might help to restore at least some of your files.

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

Try Data Recovery Pro after the Tyrant ransomware virus attack

This professional software is created for restoring accidentally deleted or corrupted files. However, it might help after the ransomware attack too.

Take advantage of Windows Previous Versions feature

If System Restore has been enabled before the ransomware attack, you should follow these steps and copy 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”.

Try ShadowExplorer

If Tyrant did not delete Shadow Volume Copies of the targeted files, you should take advantage of the ShadowExplorer and recover the files with 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.

Decryptor for Tyrant ransomware is not available yet.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Tyrant 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