Ransomware Research
Lortok Ransomware
Lortok is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Lortok
- First Seen
- March 1, 2016
How Lortok Ransomware Works
Targeted Files
NOSAMPLE
File Encryption Patterns
Lortok modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.[a-z0-9]{8}\b/..crimeRansom Note and Payment Demands
After encrypting files, Lortok displays ransom notes demanding payment for file recovery:
ВНИМАНИЕ_ОТКРОЙТЕ-МЕНЯ.txtRansom message:
notes/ВНИМАНИЕ_ОТКРОЙТЕ-МЕНЯ.txt
Recovery and Decryption Tools
Good news! Decryption tools are available for Lortok ransomware:
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About This Analysis
This Lortok 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 Lortok.
Last updated: July 30, 2025