Ransomware Research

TmrCrypt0r Ransomware

TmrCrypt0r is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2023, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
TmrCrypt0r
First Seen
June 1, 2023

How TmrCrypt0r ransomware works

File encryption patterns

TmrCrypt0r modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
.TMRCRYPT0R

Ransom note and payment demands

After encrypting files, TmrCrypt0r displays ransom notes demanding payment for file recovery:

fileКАК РАСШИФРОВАТЬ ФАЙЛЫ.txt
notes/КАК РАСШИФРОВАТЬ ФАЙЛЫ.txt
Location: EveryFolder
message
notes/note.txt
Location: OnceOnCompletion

Technical indicators

Associated executable files

The following executable files are associated with TmrCrypt0r ransomware:

About this analysis

This TmrCrypt0r 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 TmrCrypt0r.

Last updated: December 30, 2025

Detection coverage

Elastio detects TmrCrypt0r inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify TmrCrypt0r 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.

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