Ransomware Research

TxLocker Ransomware

TxLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2022, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
TxLocker
First Seen
April 1, 2022

How TxLocker ransomware works

File encryption patterns

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

Extensions added after encryption
.txlck

Ransom note and payment demands

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

filef1x_instructions.txt
notes/f1x_instructions.txt

About this analysis

This TxLocker 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 TxLocker.

Last updated: December 30, 2025

Detection coverage

Elastio detects TxLocker inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify TxLocker 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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