Ransomware Research
Decme Ransomware
Decme is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Decme
- First Seen
- October 1, 2020
How Decme Ransomware Works
Targeted Files
Full extension -> .[Files2021@tutanota.com][2L7GXFRDW8PMNJV].decme
File Encryption Patterns
Decme modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..decmeRansom Note and Payment Demands
After encrypting files, Decme displays ransom notes demanding payment for file recovery:
!INFO.HTARansom message:
notes/!INFO.HTA
Note locations:
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About This Analysis
This Decme 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 Decme.
Last updated: July 30, 2025