Ransomware Research

OBSIDIAN ORB Ransomware

OBSIDIAN ORB is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2023, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
OBSIDIAN ORB
First Seen
May 1, 2023

How OBSIDIAN ORB Ransomware Works

File Encryption Patterns

OBSIDIAN ORB modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

./\.[a-z0-9]{4}\b/

Ransom Note and Payment Demands

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

fileread_it.txt

Ransom message:

notes/read_it.txt

Note locations:

EveryFolder
screenshot

Ransom message:

notes/nbnfgtisn.jpg

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with OBSIDIAN ORB ransomware:

  • PINCRACKER.exe
  • 008247599.exe
  • svchost.exe

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About This Analysis

This OBSIDIAN ORB 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 OBSIDIAN ORB.

Last updated: July 30, 2025

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OBSIDIAN ORB Ransomware - Detectable by Elastio