Ransomware Research

CryptoTorLocker Ransomware

CryptoTorLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2016, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
CryptoTorLocker
First Seen
February 1, 2016

How CryptoTorLocker ransomware works

File encryption patterns

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

Extensions added after encryption
.CryptoTorLocker2015!

Ransom note and payment demands

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

fileHOW TO DECRYPT FILES.txt
notes/HOW TO DECRYPT FILES.txt

About this analysis

This CryptoTorLocker 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 CryptoTorLocker.

Last updated: December 30, 2025

Detection coverage

Elastio detects CryptoTorLocker inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify CryptoTorLocker 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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