Ransomware Research
Underground Team Ransomware
Underground Team is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Underground Team
- First Seen
- July 1, 2023
How Underground Team Ransomware Works
Ransom Note and Payment Demands
After encrypting files, Underground Team displays ransom notes demanding payment for file recovery:
!!readme!!!.txtRansom message:
notes/!!readme!!!.txt
Note locations:
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About This Analysis
This Underground Team 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 Underground Team.
Last updated: July 30, 2025