Ransomware Research
ATLAS Ransomware
ATLAS is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- ATLAS
- First Seen
- April 1, 2017
How ATLAS Ransomware Works
Targeted Files
Requires C&C to send and receive data
File Encryption Patterns
ATLAS modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..ATLASRansom Note and Payment Demands
After encrypting files, ATLAS displays ransom notes demanding payment for file recovery:
ATLAS_FILES.txtRansom message:
notes/ATLAS_FILES.txt
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About This Analysis
This ATLAS 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 ATLAS.
Last updated: July 30, 2025