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Ransomware Research
Xolzsec Ransomware
Xolzsec is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Xolzsec
- First Seen
- August 1, 2017
How Xolzsec Ransomware Works
Targeted Files
Requires C&C to send data and receive RSA key
File Encryption Patterns
Xolzsec modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..xolzsec
Ransom Note and Payment Demands
After encrypting files, Xolzsec displays ransom notes demanding payment for file recovery:
Ransom message:
notes/UazkYGX.jpg
Note locations:
Desktop
Technical Indicators
Associated Executable Files
The following executable files are associated with Xolzsec ransomware:
eda2.exe
Elastio Can Help You
Don't let Xolzsec ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This Xolzsec 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 Xolzsec.
Last updated: July 30, 2025