Ransomware Research
MarraCrypt Ransomware
MarraCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- MarraCrypt
- First Seen
- February 1, 2020
How MarraCrypt Ransomware Works
File Encryption Patterns
MarraCrypt modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..MARRARansom Note and Payment Demands
After encrypting files, MarraCrypt displays ransom notes demanding payment for file recovery:
MARRACRYPT_INFORMATION.HTMLRansom message:
notes/MARRACRYPT_INFORMATION.HTML
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with MarraCrypt ransomware:
svchosta.exe
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About This Analysis
This MarraCrypt 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 MarraCrypt.
Last updated: July 30, 2025