Ransomware Research
SMILE DOG Ransomware
SMILE DOG is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- SMILE DOG
- First Seen
- May 1, 2023
How SMILE DOG Ransomware Works
File Encryption Patterns
SMILE DOG modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..sMilERansom Note and Payment Demands
After encrypting files, SMILE DOG displays ransom notes demanding payment for file recovery:
SMILEJPG.txtRansom message:
notes/SMILEJPG.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with SMILE DOG ransomware:
ConsoleApp2.exe4a5R8phvD5iWsRlFbxMgkOgaSD1Avy.exe
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About This Analysis
This SMILE DOG 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 SMILE DOG.
Last updated: July 30, 2025