Ransomware Research

Moth Ransomware

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

Quick facts

Ransomware Family
Moth
First Seen
July 1, 2016

How Moth ransomware works

File encryption patterns

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

Extensions added after encryption
.m0th

Ransom note and payment demands

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

fileREADMEPLEASE.TXT
notes/READMEPLEASE.TXT

About this analysis

This Moth 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 Moth.

Last updated: December 30, 2025

Detection coverage

Elastio detects Moth inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Moth 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

Recent ransomware

Explore other threats in our database

Wxlongda2025VeilCrypt2025TitanLabooboo2025SolidBit2022SnapHackLocker2024PySystemUpdate2025PySimCrypt2025Monkey2025Lol2025HWID2025
View all ransomware →