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Ransomware Research
BlackRock Ransomware
BlackRock 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
- BlackRock
- First Seen
- May 1, 2023
How BlackRock Ransomware Works
Targeted Files
Full extension -> .id[C63F241F-2803].[icanrestore@onionmail.org].blackrock
File Encryption Patterns
BlackRock modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..blackrock
Ransom Note and Payment Demands
After encrypting files, BlackRock displays ransom notes demanding payment for file recovery:
info.txt
Ransom message:
notes/info.txt
Note locations:
RootDiscs
Desktop
info.hta
Ransom message:
notes/info.hta
Note locations:
RootDiscs
Desktop
Technical Indicators
Associated Executable Files
The following executable files are associated with BlackRock ransomware:
software.exe
Elastio Can Help You
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About This Analysis
This BlackRock 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 BlackRock.
Last updated: July 30, 2025