Ransomware Research
VHD Ransomware
VHD is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: VHDLocker.
Quick Facts
- Ransomware Family
- VHD
- First Seen
- March 1, 2020
- Known Aliases
- VHDLocker
How VHD Ransomware Works
File Encryption Patterns
VHD modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..vhd..0d0a..beafRansom Note and Payment Demands
After encrypting files, VHD displays ransom notes demanding payment for file recovery:
HowToDecrypt.txtRansom message:
notes/HowToDecrypt.txt
Note locations:
DesktopRootDirectoryDecryptGuide.txtRansom message:
notes/DecryptGuide.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with VHD ransomware:
splwow32.exe333.exe335319.exelsass.exe
Elastio Can Help You
Don't let VHD ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This VHD 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 VHD.
Last updated: July 30, 2025