Ransomware Research
Rozlok Ransomware
Rozlok is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Rozlok
- First Seen
- December 1, 2017
How Rozlok Ransomware Works
File Encryption Patterns
Rozlok modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..aesRansom Note and Payment Demands
After encrypting files, Rozlok displays ransom notes demanding payment for file recovery:
Instruction.txtRansom message:
notes/Instruction.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Rozlok ransomware:
enbild.exeFILE_67.1
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About This Analysis
This Rozlok 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 Rozlok.
Last updated: July 30, 2025