Ransomware Research

AgeLocker Ransomware

AgeLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2020, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
AgeLocker
First Seen
November 1, 2020

How AgeLocker Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..sthd2..OU..kmd..hz..D4

Ransom Note and Payment Demands

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

fileDECRYPT_MY_FILES.txt

Ransom message:

notes/DECRYPT_MY_FILES.txt

Note locations:

EveryFolder
fileHOW_TO_RESTORE_FILES.txt

Technical Indicators

Associated Executable Files

The following executable files are associated with AgeLocker ransomware:

  • kmdlocker

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About This Analysis

This AgeLocker ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like AgeLocker.

Last updated: October 30, 2025

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