Ransomware Research
Smaug Ransomware
Smaug is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Smaug
- First Seen
- July 1, 2020
How Smaug Ransomware Works
Targeted Files
Extension in GUID format
File Encryption Patterns
Smaug modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.[0-9a-f]{8}[-]?[0-9a-f]{4}[-]?[0-9a-f]{4}[-]?[0-9a-f]{4}[-]?[0-9a-f]{12}$/Ransom Note and Payment Demands
After encrypting files, Smaug displays ransom notes demanding payment for file recovery:
HACKED.txtRansom message:
notes/HACKED.txt
Note locations:
RootDirectoryTechnical Indicators
Associated Executable Files
The following executable files are associated with Smaug ransomware:
Corporate_Detail-June.2020.exe
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About This Analysis
This Smaug 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 Smaug.
Last updated: July 30, 2025