Ransomware Research

Locky-Asasin Ransomware

Locky-Asasin is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2017, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Locky-Asasin
First Seen
October 1, 2017

How Locky-Asasin Ransomware Works

File Encryption Patterns

Locky-Asasin modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..asasin

Ransom Note and Payment Demands

After encrypting files, Locky-Asasin displays ransom notes demanding payment for file recovery:

fileasasin.htm

Ransom message:

notes/asasin.htm

Note locations:

Desktop
file/^asasin-[a-f0-9]{4}\.htm$/

Ransom message:

notes/asasin-f942.htm

Note locations:

EveryFolder
screenshot

Ransom message:

notes/asasin.bmp

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with Locky-Asasin ransomware:

  • myfile.exe
  • iugftrs2
  • a1ad0c24b421b48e_gqpipigg.exe
  • XFfiJK.exe
  • Driver.exe
  • 1.exe
  • 7149d79b.gxe
  • RANSOMWARE SAGECRYPT (43)
  • 2.exe

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About This Analysis

This Locky-Asasin 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 Locky-Asasin.

Last updated: July 30, 2025

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