H34rtBl33d Ransomware
H34rtBl33d is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2018, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: HeartBleed, D3G1D5Crypt.
Quick facts
How H34rtBl33d ransomware works
File encryption patterns
H34rtBl33d modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, H34rtBl33d displays ransom notes demanding payment for file recovery:
notes/H34rtBl33d.txt
notes/H34rtBl33d.html
notes/note.txt
notes/H34rtBl33d.bmp
Technical indicators
Associated executable files
The following executable files are associated with H34rtBl33d ransomware:
- DnThirTeen.exe
- H34rtBl33d.exe
About this analysis
This H34rtBl33d ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like H34rtBl33d.
Last updated: December 30, 2025
Elastio detects H34rtBl33d inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify H34rtBl33d across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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