Ransomware Research
HC6 Ransomware
HC6 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- HC6
- First Seen
- November 1, 2017
How HC6 Ransomware Works
Targeted Files
Written in Python (PyInstaller)
File Encryption Patterns
HC6 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..fuckuRansom Note and Payment Demands
After encrypting files, HC6 displays ransom notes demanding payment for file recovery:
recover_your_files.txtRansom message:
notes/recover_your_files.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with HC6 ransomware:
l.exe_hc6.exe_hc6.exe209399010.bin
Elastio Can Help You
Don't let HC6 ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This HC6 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 HC6.
Last updated: July 30, 2025