Ransomware Research
TUGA Ransomware
TUGA is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- TUGA
- First Seen
- June 1, 2023
How TUGA Ransomware Works
Targeted Files
Base-64 encoded contents https://tria.ge/230814-pqfvbsea2z/behavioral1 Requires C&C and internet (to check GEO)
File Encryption Patterns
TUGA modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..TUGARansom Note and Payment Demands
After encrypting files, TUGA displays ransom notes demanding payment for file recovery:
README.txtRansom message:
notes/README.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with TUGA ransomware:
RansomTuga.exe
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About This Analysis
This TUGA 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 TUGA.
Last updated: July 30, 2025