Ransomware Research
Cryptomix-FILE Ransomware
Cryptomix-FILE is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Cryptomix-FILE
- First Seen
- December 1, 2017
How Cryptomix-FILE Ransomware Works
File Encryption Patterns
Cryptomix-FILE modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..FILERansom Note and Payment Demands
After encrypting files, Cryptomix-FILE displays ransom notes demanding payment for file recovery:
_HELP_INSTRUCTION.TXTRansom message:
notes/_HELP_INSTRUCTION.TXT
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Cryptomix-FILE ransomware:
BC0CBD3964.exeZKTARkmxfHxu.exe
Elastio Can Help You
Don't let Cryptomix-FILE ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This Cryptomix-FILE 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 Cryptomix-FILE.
Last updated: July 30, 2025