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

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:

file/\bRecoverYourFiles\d\.htm\b/

Ransom message:

notes/RecoverYourFiles4.htm

Note locations:

Desktop
file/\bRecoverYourFiles\d\.rtf\b/

Ransom message:

notes/RecoverYourFiles4.rtf

Note locations:

Desktop
screenshot

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.

Learn MoreRequest a Demo

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: October 30, 2025

Recent Ransomware

Explore other threats in our database

View all ransomware