Crysis XTBL Ransomware
Crysis XTBL is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick facts
How Crysis XTBL ransomware works
File encryption patterns
Crysis XTBL modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Crysis XTBL displays ransom notes demanding payment for file recovery:
notes/Decryption instructions.txt
notes/How-to-decrypt-your-files.jpg
notes/Decryption instructions.jpg
About this analysis
This Crysis XTBL ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like Crysis XTBL.
Last updated: December 30, 2025
Elastio detects Crysis XTBL inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Crysis XTBL across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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