Ransomware Research
RanRan Ransomware
RanRan is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: ZXZ.
Quick Facts
- Ransomware Family
- RanRan
- First Seen
- January 1, 2017
- Known Aliases
- ZXZ
How RanRan Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
RanRan modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..zXzRansom Note and Payment Demands
After encrypting files, RanRan displays ransom notes demanding payment for file recovery:
zXz.htmlRansom message:
notes/zXz.html.txt
Recovery and Decryption Tools
Good news! Decryption tools are available for RanRan ransomware:
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About This Analysis
This RanRan 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 RanRan.
Last updated: July 30, 2025