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Ransomware Research
WinRarer Ransomware
WinRarer is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- WinRarer
- First Seen
- June 1, 2016
How WinRarer Ransomware Works
Targeted Files
Protected with .NET Reactor Contains VM checks Use WinRar in system (It should be installed) Pack files to c:\YOUR-locked-FILES\ *.ace
File Encryption Patterns
WinRarer modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..ace
Ransom Note and Payment Demands
After encrypting files, WinRarer displays ransom notes demanding payment for file recovery:
/\bRecoverYourFiles\d\.htm\b/
Ransom message:
notes/RecoverYourFiles4.htm
Note locations:
Desktop
/\bRecoverYourFiles\d\.rtf\b/
Ransom message:
notes/RecoverYourFiles4.rtf
Note locations:
Desktop
Ransom message:
notes/RecoverYourFiles.png
Note locations:
Desktop
Technical Indicators
Associated Executable Files
The following executable files are associated with WinRarer ransomware:
Runners.exe
Tom-Clancys-The-Division-Key-Generator.exe
Battlefield-1-Keygen-Serial-Key-Generator.exe
Hungry-Shark-World-Hack-AndroidiOS.exe
MARVEL-Avengers-Academy-Hack-AndroidiOS.exe
Elastio Can Help You
Don't let WinRarer ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This WinRarer ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like WinRarer.
Last updated: July 30, 2025