Ransomware Research
CryptoMix-System Ransomware
CryptoMix-System is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- CryptoMix-System
- First Seen
- January 1, 2018
How CryptoMix-System Ransomware Works
Targeted Files
Transform encrypted filename -> 5F1658F80BEE8F608D2230820E2572FC.SYSTEM
File Encryption Patterns
CryptoMix-System modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..SYSTEMRansom Note and Payment Demands
After encrypting files, CryptoMix-System displays ransom notes demanding payment for file recovery:
_HELP_INSTRUCTION.TXTRansom message:
notes/_HELP_INSTRUCTION.TXT
Note locations:
EveryFolderElastio Can Help You
Don't let CryptoMix-System ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This CryptoMix-System 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-System.
Last updated: July 30, 2025