Ransomware Research

Onyx Ransomware

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

Quick Facts

Ransomware Family
Onyx
First Seen
August 1, 2016

How Onyx Ransomware Works

Targeted Files

Fake NOSAMPLE

Ransom Note and Payment Demands

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

message

Ransom message:

notes/note.txt

Elastio Can Help You

Don't let Onyx ransomware take over your data

Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.

About This Analysis

This Onyx ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like Onyx.

Last updated: July 30, 2025

Onyx Ransomware - Detectable by Elastio