Ransomware Research

Ruby Ransomware

Ruby is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2017, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
Ruby
First Seen
May 1, 2017

How Ruby ransomware works

File encryption patterns

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

Extensions added after encryption
.ruby

Ransom note and payment demands

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

filerubyLeza.html

Technical indicators

Associated executable files

The following executable files are associated with Ruby ransomware:

About this analysis

This Ruby 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 Ruby.

Last updated: December 30, 2025

Detection coverage

Elastio detects Ruby inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Ruby 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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