Ransomware Research

Hanta Ransomware

Hanta is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2021, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: HantaVirus, Hanta 2.0.

Quick Facts

Ransomware Family
Hanta
First Seen
March 1, 2021
Known Aliases
HantaVirusHanta 2.0

How Hanta Ransomware Works

Targeted Files

contains VM checks, anti-debug checks; samples protected with ConfuserEx, EazFuscator

File Encryption Patterns

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

File extensions added after encryption:

..HANTA

Ransom Note and Payment Demands

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

filehow_to_recover.txt

Ransom message:

notes/how_to_recover.txt

Note locations:

Desktop
filehow_to_recover.html

Ransom message:

notes/how_to_recover.html

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with Hanta ransomware:

  • hanta.exe
  • HANTA.exe
  • build.exe
  • 39
  • hanta_2_0.exe
  • proc.exe
  • h.exe
  • hanta_2_0.bin

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About This Analysis

This Hanta 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 Hanta.

Last updated: July 30, 2025