Ransomware Research

Cr1ptT0r Ransomware

Cr1ptT0r is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2019, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
Cr1ptT0r
First Seen
February 1, 2019

Ransom note and payment demands

After encrypting files, Cr1ptT0r displays ransom notes demanding payment for file recovery:

file_FILES_ENCRYPTED_README.txt
notes/_FILES_ENCRYPTED_README.txt
file_cr1ptt0r_support.txt
notes/_cr1ptt0r_support.txt

Technical indicators

Associated executable files

The following executable files are associated with Cr1ptT0r ransomware:

About this analysis

This Cr1ptT0r 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 Cr1ptT0r.

Last updated: December 30, 2025

Detection coverage

Elastio detects Cr1ptT0r inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Cr1ptT0r 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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