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Ransomware Research
CryptoMix-XZZX Ransomware
CryptoMix-XZZX 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
- CryptoMix-XZZX
- First Seen
- November 1, 2017
How CryptoMix-XZZX Ransomware Works
Targeted Files
Encrypts filenames -> magic.mgc -> 9C85D35A42D7FAB5577E0E36462DDEE5.XZZX
File Encryption Patterns
CryptoMix-XZZX modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..XZZX
Ransom Note and Payment Demands
After encrypting files, CryptoMix-XZZX displays ransom notes demanding payment for file recovery:
_HELP_INSTRUCTION.TXT
Ransom message:
notes/_HELP_INSTRUCTION.TXT
Note locations:
EveryFolder
Technical Indicators
Associated Executable Files
The following executable files are associated with CryptoMix-XZZX ransomware:
BC5DFCB0DB.exe
EXPLORER.EXE
cm.exe
Elastio Can Help You
Don't let CryptoMix-XZZX ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This CryptoMix-XZZX 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-XZZX.
Last updated: July 30, 2025