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 modification behavior

How WinRarer alters file modification timestamps is not known.

File encryption patterns

WinRarer modifies encrypted files using specific patterns to mark them as encrypted:

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/
notes/RecoverYourFiles4.htm

Location: Desktop

file/\bRecoverYourFiles\d\.rtf\b/
notes/RecoverYourFiles4.rtf

Location: Desktop

screenshot
notes/RecoverYourFiles.png

Location: 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

About this analysis

This WinRarer ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like WinRarer.

Last updated: September 7, 2023

Detection coverage

Elastio detects WinRarer inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify WinRarer across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.