Ransomware Research

Cry128 Ransomware

Cry128 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: X3M : Next Variation.

Quick facts

Ransomware Family
Cry128
First Seen
April 1, 2017
Known Aliases
X3M : Next Variation

Ransom note and payment demands

After encrypting files, Cry128 displays ransom notes demanding payment for file recovery:

fileDECRYPT MY FILE.txt
notes/DECRYPT MY FILE.txt

About this analysis

This Cry128 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 Cry128.

Last updated: December 30, 2025

Detection coverage

Elastio detects Cry128 inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Cry128 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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