Ransomware Research
64-Random-HEX Ransomware
64-Random-HEX is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- 64-Random-HEX
- First Seen
- November 1, 2020
How 64-Random-HEX Ransomware Works
Targeted Files
Unique extension for every file Slow encryption;Encrypts first 0x8000 bytes
File Encryption Patterns
64-Random-HEX modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.[A-F0-9]{64}$/Ransom Note and Payment Demands
After encrypting files, 64-Random-HEX displays ransom notes demanding payment for file recovery:
PUSSY.TXTRansom message:
notes/PUSSY.TXT
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with 64-Random-HEX ransomware:
build.exe
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About This Analysis
This 64-Random-HEX 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 64-Random-HEX.
Last updated: July 30, 2025