Ransomware Research
RozaLocker Ransomware
RozaLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- RozaLocker
- First Seen
- March 1, 2017
How RozaLocker Ransomware Works
Targeted Files
https://app.any.run/tasks/61db1556-50c0-44ef-b93e-08877d5f0b6d/ https://tria.ge/230425-3rjt9sff4z/behavioral1
File Encryption Patterns
RozaLocker modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..encRansom Note and Payment Demands
After encrypting files, RozaLocker displays ransom notes demanding payment for file recovery:
ReadMe.txtRansom message:
notes/ReadMe.txt
Note locations:
RootDirectoryTechnical Indicators
Associated Executable Files
The following executable files are associated with RozaLocker ransomware:
svchost.exesetup.exeRozaLocker.exesetup.binSetup.exesetup.exe.binsetup - .exe
Elastio Can Help You
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About This Analysis
This RozaLocker 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 RozaLocker.
Last updated: July 30, 2025