Ransomware Research
CryptoMix-Ogonia Ransomware
CryptoMix-Ogonia is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Ogonia.
Quick Facts
- Ransomware Family
- CryptoMix-Ogonia
- First Seen
- August 1, 2017
- Known Aliases
- Ogonia
How CryptoMix-Ogonia Ransomware Works
Targeted Files
Encrypts filenames -> magic.mgc -> E430B8901212BCB89105A94C14A29D48.OGONIA
File Encryption Patterns
CryptoMix-Ogonia modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..OGONIARansom Note and Payment Demands
After encrypting files, CryptoMix-Ogonia displays ransom notes demanding payment for file recovery:
_HELP_INSTRUCTION.TXTRansom message:
notes/_HELP_INSTRUCTION.TXT
Note locations:
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About This Analysis
This CryptoMix-Ogonia 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-Ogonia.
Last updated: July 30, 2025