Severity scale:  
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Hyena Locker ransomware. How to remove? (Uninstall guide)

removal by Lucia Danes - - | Type: Ransomware

Hyena Locker — ransomware which displays a text message and urges victims to pay a ransom for file decryption

Hyena Locker virus
Hyena Locker - ransomware which demands a particular ransom to give the victim a file decryption tool.

Hyena Locker virus is a serious cyber threat which benefits from file encryption. If you get this ransomware secretly installed on your pc, you will notice that all your files are appended with .[hyena@rape.lol].HYENA extension. Each locked file has a copy of a ransom note named !How-To-Recovery-Files!.txt. This message aims to announce about the harmful infiltration and blocked files. In order to restore important documents, users are urged to contact the cyber crooks via hyena@rape.lol or hyena@cock.lu email addresses and pay a particular ransom.

Name Hyena Locker
Type Ransomware
Extension .[hyena@rape.lol].HYENA
Ransom note !How-To-Recovery-Files!.txt
Email addresses hyena@rape.lol, hyena@cock.lu
amount of the Ransom Has to be paid in cryptocurrency and might differ each time
Distribution P2P file-sharing sites or malicious spam emails
Decryptable Currently, there is no official Hyena Locker decryptor. Although, you can try to get back your data by following the steps of alternative recovery techniques at the end of this article
Elimination Use Reimage to uninstall Hyena Locker ransomware

Furthermore, the price of file decryption usually varies and has to be paid in a type of cryptocurrency (Bitcoin, Monero, etc.). Cybercriminals demand such currency in order for the transfer to remain secret. However, do not consider paying the demanded price to unlock files with .HYENA extension. It is definitely not a good option as victims usually are scammed and left with no decryption tool.

Here you can see the text written in the ransom note by Hyena Locker ransomware:

>>>>>>>>>>>>>>>>>>>>>>>>>>>> HYENA LOCKER <<<<<<<<<<<<<<<<<<<<<<<<<<<<
HELLO, DEAR FRIEND!
1.[ ALL YOUR FILES HAVE BEEN ENCRYPTED! ]
Your files are NOT damaged! Your files are modified only. This modification is reversible.
The only 1 way to decrypt your files is to receive the decryption program.

2.[ HOW TO RECOVERY FILES? ]
To receive the decryption program write on our e-mail: hyena@rape.lol or hyena@cock.lu
And in subject write your ID: ID-
We send you full instruction how to decrypt all your files.

3.[ FREE DECRYPTION! ]
Free decryption as guarantee.
We guarantee the receipt of the decryption program after payment.
To believe, you can give us up to 3 files that we decrypt for free.
Files should not be important to you! (databases, backups, large excel sheets, etc.)

>>>>>>>>>>>>>>>>>>>>>>>>>>>> HYENA LOCKER <<<<<<<<<<<<<<<<<<<<<<<<<<<

Hyena Locker virus encrypts files by employing a sophisticated AES algorithm. All decryption keys are stored on remote servers and remain untouched. According to IT experts[1], this is the main reason, why ransomware file decryption can be a very difficult process.

However, there is a way to fix things. First, you need to remove Hyena Locker from your PC immediately. Use Reimage for such case. Trustworthy help is needed to take good care of your computer and completely wipe out this serious infection.

After you work on the Hyena Locker removal you can try using professional decryption tools instead of paying the cybercriminals. Notice, a good idea is to keep important files and folders stored on an external device, as the USB flash drive[2]. Such information becomes safe and reachable only for the owner if the flash drive is kept in sight.

Learn how ransomware spreads to avoid damaging consequences

According to statistics, ransomware attacks have increased slightly through the past year[3]. If you want to stay away from ransomware-type viruses, you need to gain some knowledge about their spreading techniques:

  • Spam. If you receive a spam message and you are not waiting for any important letter – better delete it permanently. The email might contain an attachment or link which can be a virus activation source.
  • Dubious websites. Avoid browsing in questionable sites as they might include various links which once clicked, may activate the cyber threat slightly.

Last but not least, we recommend installing an antivirus. It will protect your computer system at a higher level. Regular system scans will be performed to detect all viruses.

Eliminate Hyena Locker virus and restore your computer

To remove Hyena Locker virus you will need professional help. We strongly advise downloading and installing an anti-malware program. Such tools as Reimage, Malwarebytes MalwarebytesCombo Cleaner, or Plumbytes Anti-MalwareMalwarebytes Malwarebytes will let you do the cleaning by showing quick guidance.

After you work on the Hyena Locker removal, you need to ensure that no ransomware-related components are still hiding in the system. Refresh the whole computer for this purpose.

If you want to recover various files, try using alternative decryption tools presented below.

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

If you decided to select another anti-spyware, uninstall Reimage from your computer.
Press mentions on Reimage
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove Hyena Locker virus, follow these steps:

Remove Hyena Locker using Safe Mode with Networking

Use Safe Mode with Networking to disable the virus:

  • 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 Hyena Locker

    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 Hyena Locker removal.

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

Remove Hyena Locker using System Restore

Try the System Restore feature to stop the cyber attack:

  • 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 Hyena Locker. 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 Hyena Locker removal is performed successfully.

Bonus: Recover your data

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

If you see files with dubious extensions related to the Hyena Locker ransomware, you can be sure you have caught a ransomware infection and your files were locked by it. In order to restore your data, read the following methods.

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

Use Data Recovery Pro:

This professional tool will help you get important files back if used properly.

  • 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 Hyena Locker ransomware;
  • Restore them.

Windows Previous Versions feature might help get some files back to normal:

If you enabled the System Restore function before the infection managed to spread, you can try using this method to recover some of your data.

  • 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 Shadow Explorer:

If the ransomware-type virus did not vanish Shadow Volum Copies of your files, this tool might help you to restore individual files.

  • 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.

No official decryptor is found for the Hyena Locker virus.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Hyena Locker and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

Lucia Danes
Lucia Danes - Virus researcher

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References