Ransomware Research

RaRansomware Ransomware

RaRansomware is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2018, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
RaRansomware
First Seen
June 1, 2018

How RaRansomware Ransomware Works

Targeted Files

https://app.any.run/tasks/6767154e-b54b-4f1b-9121-d9b128001d6e/ https://pastebin.com/gR8QTXGh Encodes filenames with base64

File Encryption Patterns

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

File extensions added after encryption:

./\.[A-Z]{5}$/

Ransom Note and Payment Demands

After encrypting files, RaRansomware displays ransom notes demanding payment for file recovery:

fileRaRansomware - Recovery instructions.html

Ransom message:

notes/RaRansomware - Recovery instructions.html

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with RaRansomware ransomware:

  • Ra.exe
  • FiFi
  • KUAJW.EXE
  • RaRansomware.exe
  • sample.exe

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About This Analysis

This RaRansomware 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 RaRansomware.

Last updated: July 30, 2025

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