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Ransomware Research
Xorist-XWZ Ransomware
Xorist-XWZ is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Xorist-XWZ
- First Seen
- March 1, 2018
How Xorist-XWZ Ransomware Works
Targeted Files
Encrypts 1812 kb Skips 16 bytes header
File Encryption Patterns
Xorist-XWZ modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..xwz
Ransom Note and Payment Demands
After encrypting files, Xorist-XWZ displays ransom notes demanding payment for file recovery:
READ ME FOR DECRYPT.txt
Ransom message:
notes/READ ME FOR DECRYPT.txt
Note locations:
EveryFolder
Ransom message:
notes/note.txt
Note locations:
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About This Analysis
This Xorist-XWZ 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 Xorist-XWZ.
Last updated: July 30, 2025