Ransomware Research

iRansom Ransomware

iRansom is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2016, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
iRansom
First Seen
November 1, 2016

How iRansom Ransomware Works

Targeted Files

Replaces dots to _ -> Biblio.mdb -> Biblio_mdb_Locked.Locked

File Encryption Patterns

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

File extensions added after encryption:

..Locked

Ransom Note and Payment Demands

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

message

Ransom message:

notes/note.txt

Note locations:

Login

Technical Indicators

Associated Executable Files

The following executable files are associated with iRansom ransomware:

  • iRansom.exe
  • Zerber.exe
  • Zerber1.exe
  • XX.exe
  • Malware (168).exe
  • HKL (18).exe
  • 1 (20).exe
  • Malware (41).exe

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About This Analysis

This iRansom 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 iRansom.

Last updated: July 30, 2025

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