Ransomware Research
RackCrypt Ransomware
RackCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2016, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: MVP Locker.
Quick Facts
- Ransomware Family
- RackCrypt
- First Seen
- January 1, 2016
- Known Aliases
- MVP Locker
How RackCrypt Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
RackCrypt modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..rackRansom Note and Payment Demands
After encrypting files, RackCrypt displays ransom notes demanding payment for file recovery:
rackinfo.txtRansom message:
notes/rackinfo.txt
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About This Analysis
This RackCrypt 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 RackCrypt.
Last updated: July 30, 2025