Ransomware Research

crYptA3 Ransomware

crYptA3 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2023, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
crYptA3
First Seen
April 1, 2023

How crYptA3 ransomware works

File encryption patterns

crYptA3 modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
.crYptA3

Ransom note and payment demands

After encrypting files, crYptA3 displays ransom notes demanding payment for file recovery:

filereadme_for_unlock.txt
notes/readme_for_unlock.txt
Location: EveryFolder

Technical indicators

Associated executable files

The following executable files are associated with crYptA3 ransomware:

About this analysis

This crYptA3 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 crYptA3.

Last updated: December 30, 2025

Detection coverage

Elastio detects crYptA3 inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify crYptA3 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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What is crYptA3 Ransomware? | Elastio