Ransomware Research
HDLocker Ransomware
HDLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- HDLocker
- First Seen
- April 1, 2020
How HDLocker Ransomware Works
File Encryption Patterns
HDLocker modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
._HDRansom Note and Payment Demands
After encrypting files, HDLocker displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletionTechnical Indicators
Associated Executable Files
The following executable files are associated with HDLocker ransomware:
3.vmp(已加防通用脱壳).exeTRAE.exe
Elastio Can Help You
Don't let HDLocker ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This HDLocker 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 HDLocker.
Last updated: July 30, 2025