Ransomware Research

Tangem Ransomware

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

Quick facts

Ransomware Family
Tangem
First Seen
April 1, 2023

How Tangem ransomware works

File encryption patterns

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

Extensions added after encryption
.tangem

Ransom note and payment demands

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

fileHow_to_back_files.html
notes/How_to_back_files.html
Location: EveryFolder

Technical indicators

Associated executable files

The following executable files are associated with Tangem ransomware:

About this analysis

This Tangem 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 Tangem.

Last updated: December 30, 2025

Detection coverage

Elastio detects Tangem inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Tangem 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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