Ransomware Research

CryptoHitman Ransomware

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

Quick facts

Ransomware Family
CryptoHitman
First Seen
May 1, 2016

How CryptoHitman ransomware works

File encryption patterns

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

Extensions added after encryption
.porno.pornoransom

Ransom note and payment demands

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

message
notes/note.txt

About this analysis

This CryptoHitman 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 CryptoHitman.

Last updated: December 30, 2025

Detection coverage

Elastio detects CryptoHitman inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify CryptoHitman 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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