Ransomware Research

Cyrat Ransomware

Cyrat is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2020, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
Cyrat
First Seen
August 1, 2020

How Cyrat ransomware works

File encryption patterns

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

Extensions added after encryption
.CYRAT

Ransom note and payment demands

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

fileRANSOME_NOTE.txt
notes/RANSOME_NOTE.txt
Location: UserFolders

Technical indicators

Associated executable files

The following executable files are associated with Cyrat ransomware:

About this analysis

This Cyrat 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 Cyrat.

Last updated: December 30, 2025

Detection coverage

Elastio detects Cyrat inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Cyrat 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.

See How the Hunt Engine WorksRequest a Demo

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