Ransomware Research

HentaiLocker 2.0 Ransomware

HentaiLocker 2.0 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2025, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
HentaiLocker 2.0
First Seen
May 1, 2025

How HentaiLocker 2.0 Ransomware Works

File Encryption Patterns

HentaiLocker 2.0 modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..hentai

Ransom Note and Payment Demands

After encrypting files, HentaiLocker 2.0 displays ransom notes demanding payment for file recovery:

filereadme.txt

Ransom message:

notes/readme.txt

Note locations:

EveryFolder
screenshot

Ransom message:

notes/CachedImage_1834_904_POS4.jpg

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with HentaiLocker 2.0 ransomware:

  • discord.exe
  • Lunar Client.exe

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About This Analysis

This HentaiLocker 2.0 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 HentaiLocker 2.0.

Last updated: October 30, 2025

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