Ransomware Research
BlackHeart138 Ransomware
BlackHeart138 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2025, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- BlackHeart138
- First Seen
- February 1, 2025
How BlackHeart138 Ransomware Works
File Encryption Patterns
BlackHeart138 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..blackheart138Ransom Note and Payment Demands
After encrypting files, BlackHeart138 displays ransom notes demanding payment for file recovery:
read_this_to_decrypt_files.htmlRansom message:
notes/read_this_to_decrypt_files.html
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with BlackHeart138 ransomware:
bh138.exe
Elastio Can Help You
Don't let BlackHeart138 ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This BlackHeart138 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 BlackHeart138.
Last updated: July 30, 2025