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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:
read_it.txt
Ransom message:
notes/read_it.txt
Note locations:
EveryFolder
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
Elastio Can Help You
Don't let OBSIDIAN ORB ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
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