Ransomware Research
HCrypto Ransomware
HCrypto is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- HCrypto
- First Seen
- September 1, 2016
How HCrypto Ransomware Works
Targeted Files
Sample should be named -> ex3t.exe
File Encryption Patterns
HCrypto modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..hcryptoRansom Note and Payment Demands
After encrypting files, HCrypto displays ransom notes demanding payment for file recovery:
ex3t.pdfRansom message:
notes/ex3t.pdf
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with HCrypto ransomware:
Adobe.exe
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About This Analysis
This HCrypto 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 HCrypto.
Last updated: July 30, 2025