Ransomware Research
GOG Ransomware
GOG is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- GOG
- First Seen
- January 1, 2017
How GOG Ransomware Works
Targeted Files
Requires C&C to receive RSA public key
File Encryption Patterns
GOG modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..L0CKEDRansom Note and Payment Demands
After encrypting files, GOG displays ransom notes demanding payment for file recovery:
DecryptFile.txtRansom message:
notes/DecryptFile.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with GOG ransomware:
GOG.exe
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About This Analysis
This GOG 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 GOG.
Last updated: July 30, 2025