Ransomware Research

XyuEncrypt Ransomware

XyuEncrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2018, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
XyuEncrypt
First Seen
October 1, 2018

How XyuEncrypt ransomware works

File encryption patterns

XyuEncrypt modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
.xuy

Ransom note and payment demands

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

message
notes/note.txt
Location: OnceOnCompletion

Technical indicators

Associated executable files

The following executable files are associated with XyuEncrypt ransomware:

About this analysis

This XyuEncrypt 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 XyuEncrypt.

Last updated: December 30, 2025

Detection coverage

Elastio detects XyuEncrypt inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify XyuEncrypt 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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What is XyuEncrypt Ransomware? | Elastio