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
How HC6 ransomware works
File encryption patterns
HC6 modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, HC6 displays ransom notes demanding payment for file recovery:
notes/recover_your_files.txt
Technical indicators
Associated executable files
The following executable files are associated with HC6 ransomware:
- l.exe_
- hc6.exe_
- hc6.exe
- 209399010.bin
About this analysis
This HC6 ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like HC6.
Last updated: December 30, 2025
Elastio detects HC6 inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify HC6 across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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