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:
..aceRansom 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:
DesktopRansom message:
notes/RecoverYourFiles.png
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with WinRarer ransomware:
Runners.exeTom-Clancys-The-Division-Key-Generator.exeBattlefield-1-Keygen-Serial-Key-Generator.exeHungry-Shark-World-Hack-AndroidiOS.exeMARVEL-Avengers-Academy-Hack-AndroidiOS.exe
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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