Ransomware Research
BlackHat-Mehtihack Ransomware
BlackHat-Mehtihack is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2018, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: BlackHat.
Quick Facts
- Ransomware Family
- BlackHat-Mehtihack
- First Seen
- November 1, 2018
- Known Aliases
- BlackHat
How BlackHat-Mehtihack Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
BlackHat-Mehtihack modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..BlackHatRansom Note and Payment Demands
After encrypting files, BlackHat-Mehtihack displays ransom notes demanding payment for file recovery:
ReadME-BlackHat.txtRansom message:
notes/ReadME-BlackHat.txt
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About This Analysis
This BlackHat-Mehtihack 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 BlackHat-Mehtihack.
Last updated: July 30, 2025