Ransomware Research

Nemty Ransomware

Nemty is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2019, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Nemty, Nemty Revenge 2.0, Nemty Doxware.

Quick facts

Ransomware Family
Nemty
First Seen
August 1, 2019
Known Aliases
NemtyNemty Revenge 2.0Nemty Doxware

How Nemty ransomware works

File encryption patterns

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

Extensions added after encryption
.nemty./\._NEMTY_[a-zA-Z0-9]{7}_$/

Ransom note and payment demands

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

fileNEMTY-DECRYPT.txt
notes/NEMTY-DECRYPT.txt
Location: EveryFolder
file/^_NEMTY_[a-zA-Z0-9]{7}_-DECRYPT\.txt$/
notes/_NEMTY_UOETFFO_-DECRYPT.txt
Location: EveryFolder
file/^NEMTY_[a-zA-Z0-9]{7}-DECRYPT\.txt$/
notes/NEMTY_MKL9TFJ-DECRYPT.txt
Location: EveryFolder
screenshot
notes/god.bmp
Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with Nemty ransomware:

Recovery and decryption tools

Decryption tools may be available for Nemty. Review the resources below:

0

About this analysis

This Nemty 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 Nemty.

Last updated: December 30, 2025

Detection coverage

Elastio detects Nemty inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Nemty 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 →