Ransomware Research
MRAC Ransomware
MRAC is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2021, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- MRAC
- First Seen
- December 1, 2021
How MRAC Ransomware Works
File Encryption Patterns
MRAC modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..MRACRansom Note and Payment Demands
After encrypting files, MRAC displays ransom notes demanding payment for file recovery:
MRACReadMe.htmlRansom message:
notes/MRACReadMe.html
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with MRAC ransomware:
xxx.exe
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About This Analysis
This MRAC 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 MRAC.
Last updated: July 30, 2025