RaRuCrypt Ransomware
RaRuCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick facts
How RaRuCrypt ransomware works
File encryption patterns
RaRuCrypt modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, RaRuCrypt displays ransom notes demanding payment for file recovery:
notes/README1.TXT
About this analysis
This RaRuCrypt 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 RaRuCrypt.
Last updated: December 30, 2025
Elastio detects RaRuCrypt inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify RaRuCrypt across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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