Ransomware Research
Lockedv1 Ransomware
Lockedv1 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Lockedv1, Gehenna.
Quick Facts
- Ransomware Family
- Lockedv1
- First Seen
- December 1, 2020
- Known Aliases
- Lockedv1Gehenna
How Lockedv1 Ransomware Works
Targeted Files
Encrypted filenames encoded with base64
File Encryption Patterns
Lockedv1 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..lockedv1..gehennaRansom Note and Payment Demands
After encrypting files, Lockedv1 displays ransom notes demanding payment for file recovery:
READMEV1.txtRansom message:
notes/READMEV1.txt
Note locations:
DesktopGEHENNA-README-WARNING.htmlRansom message:
notes/GEHENNA-README-WARNING.html
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Lockedv1 ransomware:
windows-update-CVE-wFW.exeDelShad Ransomware.exewindows-update-cve-wfw.exeTrojan.Ransom.GEHENNALOCKER.exeraw.bingehenna_codes.exegehenna_codes.bingh1.exe
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About This Analysis
This Lockedv1 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 Lockedv1.
Last updated: July 30, 2025