Striked Ransomware

Also Known As: Striked virus
Distribution: Low
Damage level: Severe

Striked ransomware removal instructions

What is Striked?

Discovered by security researcher, Michael Gillespie, Striked is a ransomware-type virus that stealthily infiltrates systems and encrypts various data. During encryption, Striked it names of encrypted files with the "#rap@mortalkombat.top#id#victim’s ID" extension. For example, "sample.jpg" is renamed to "sample.jpg#rap@mortalkombat.top#id#victim’s ID". Following successful encryption, Striked changes the desktop wallpaper to include an image with a ransom-demand message.

The message states that files are encrypted and encourages victims to contact Striked's developers to restore them. It is currently unknown which type of cryptography (symmetric or asymmetric) is used by Striked. In any case, decryption without a unique key is impossible. Cyber criminals store this key on a remote server and encourage victims to contact them and pay a ransom to receive it. The cost is unconfirmed, however, cyber criminals usually demand the equivalent of between $500 and 1500 in Bitcoins. Despite these demands, never trust these people or pay any ransom - they often ignore victims once payments are submitted. Paying will not deliver any positive result and you will be scammed. In addition, you will support cyber criminals' malicious businesses. Unfortunately, there are no tools capable of restoring files encrypted by Striked ransomware and you can only restore your files/system from a backup.

Screenshot of a message encouraging users to pay a ransom to decrypt their compromised data:

Striked decrypt instructions

There are dozens of ransomware-type viruses that have similar characteristics to Striked including Oxar, Nemucod, and LockCrypt. These are just some examples from many. As with Striked, these malware infections also encrypt files and make ransom demands. The only major differences are size of ransom and type of encryption algorithm used. Bear in mind that most ransomware uses cryptography that generates unique decryption keys. Therefore, restoring files manually is mostly impossible.

How did ransomware infect my computer?

Cyber criminals usually proliferate ransomware using unofficial software download sources (freeware download websites, free file hosting websites, torrents, etc.), infectious spam emails' attachments, trojans, and fake software updaters. Third party download sources often present malicious executables as legitimate software. Malicious attachments are often MS Office documents (with macros) or JavaScript files designed to download/install malware. Fake software updaters are used to exploit outdated software bugs/flaws to infect the system.

How to protect yourself from ransomware infections?

To prevent ransomware infections, be very cautious when browsing the Internet. Never open files received from suspicious emails or download software from unofficial sources. Furthermore, keep your installed applications up-to-date and use a legitimate anti-virus/anti-spyware software. Bear in mind, however, that criminals proliferate malware by employing fake updaters. Therefore, using third party tools to update installed software can lead to high-risk computer infections. The key to computer safety is caution.

Update 15 July, 2017 - Security researcher Michael Gillespie has released a free decrypter for this ransomware. You can download it HERE.

striked ransomware decrypter

Text presented within Striked ransomware desktop wallpaper:

YOUR FILES ARE STRIKED!
ALL OF YOUR FILES ARE ENCRYPTED!
Your persoanl identifier: -
Your documents, photos, databases, save games and other important data were encrypted.
For a data recovery requires a decryptor.
To decrypt your files send an email to raiden@mortalkombat.top
In the perl letter you will receive a program for decryption.
After starting the decryption program, all your files will be restored.
!!! Attention !!!!!! Attention !!!!!! Attention !!!
*** Do not attempt to uninstall the program or run antivirus software
*** Attempts to decrypt files by themselves will result in the loss of your data

The appearance of Striked ransomware pop-up during file encryption (GIF):

Striked pop-up gif

Screenshot of files encrypted by Striked ransomware ("#rap@mortalkombat.top#id#victim’s ID" extension):

Files encrypted by Striked

Striked ransomware removal:

Quick menu:

Step 1

Windows XP and Windows 7 users: Start your computer in Safe Mode. Click Start, click Shut Down, click Restart, click OK. During your computer start process, press the F8 key on your keyboard multiple times until you see the Windows Advanced Option menu, and then select Safe Mode with Networking from the list.

Safe Mode with Networking

Video showing how to start Windows 7 in "Safe Mode with Networking":

Windows 8 users: Start Windows 8 is Safe Mode with Networking - Go to Windows 8 Start Screen, type Advanced, in the search results select Settings. Click Advanced startup options, in the opened "General PC Settings" window, select Advanced startup. Click the "Restart now" button. Your computer will now restart into the "Advanced Startup options menu". Click the "Troubleshoot" button, and then click the "Advanced options" button. In the advanced option screen, click "Startup settings". Click the "Restart" button. Your PC will restart into the Startup Settings screen. Press F5 to boot in Safe Mode with Networking.

Windows 8 Safe Mode with networking

Video showing how to start Windows 8 in "Safe Mode with Networking":

Windows 10 users: Click the Windows logo and select the Power icon. In the opened menu click "Restart" while holding "Shift" button on your keyboard. In the "choose an option" window click on the "Troubleshoot", next select "Advanced options". In the advanced options menu select "Startup Settings" and click on the "Restart" button. In the following window you should click the "F5" button on your keyboard. This will restart your operating system in safe mode with networking.

windows 10 safe mode with networking

Video showing how to start Windows 10 in "Safe Mode with Networking":

Step 2

Log in to the account infected with the Striked virus. Start your Internet browser and download a legitimate anti-spyware program. Update the anti-spyware software and start a full system scan. Remove all entries detected.


Download remover for Striked virus

If you need assistance removing this ransomware, give us a call 24/7:
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By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. Free scanner checks if your computer is infected. To remove malware, you have to purchase the full version of Reimage.

If you cannot start your computer in Safe Mode with Networking, try performing a System Restore.

Video showing how to remove ransomware virus using "Safe Mode with Command Prompt" and "System Restore":

1. During your computer start process, press the F8 key on your keyboard multiple times until the Windows Advanced Options menu appears, and then select Safe Mode with Command Prompt from the list and press ENTER.

Boot your computer in Safe Mode with Command Prompt

2. When Command Prompt mode loads, enter the following line: cd restore and press ENTER.

system restore using command prompt type cd restore

3. Next, type this line: rstrui.exe and press ENTER.

system restore using command prompt rstrui.exe

4. In the opened window, click "Next".

restore system files and settings

5. Select one of the available Restore Points and click "Next" (this will restore your computer system to an earlier time and date, prior to the Striked ransomware virus infiltrating your PC).

select a restore point

6. In the opened window, click "Yes".

run system restore

7. After restoring your computer to a previous date, download and scan your PC with recommended malware removal software to eliminate any remaining Striked ransomware files.

To restore individual files encrypted by this ransomware, try using Windows Previous Versions feature. This method is only effective if the System Restore function was enabled on an infected operating system. Note that some variants of Striked are known to remove Shadow Volume Copies of the files, so this method may not work on all computers.

To restore a file, right-click over it, go into Properties, and select the Previous Versions tab. If the relevant file has a Restore Point, select it and click the "Restore" button.

Restoring files encrypted by CryptoDefense

If you cannot start your computer in Safe Mode with Networking (or with Command Prompt), boot your computer using a rescue disk. Some variants of ransomware disable Safe Mode making its removal complicated. For this step, you require access to another computer.

To regain control of the files encrypted by Striked, you can also try using a program called Shadow Explorer. More information on how to use this program is available here.

shadow explorer screenshot

To protect your computer from file encryption ransomware such as this, use reputable antivirus and anti-spyware programs. As an extra protection method, you can use programs called HitmanPro.Alert and EasySync CryptoMonitor, which artificially implant group policy objects into the registry to block rogue programs such as Striked ransomware.

HitmanPro.Alert CryptoGuard - detects encryption of files and neutralises any attempts without need for user-intervention:

hitmanproalert ransomware prevention application

Malwarebytes Anti-Ransomware Beta uses advanced proactive technology that monitors ransomware activity and terminates it immediately - before reaching users' files:

malwarebytes anti-ransomware

  • The best way to avoid damage from ransomware infections is to maintain regular up-to-date backups. More information on online backup solutions and data recovery software Here.

Other tools known to remove Striked ransomware: