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..gehenna

Ransom Note and Payment Demands

After encrypting files, Lockedv1 displays ransom notes demanding payment for file recovery:

fileREADMEV1.txt

Ransom message:

notes/READMEV1.txt

Note locations:

Desktop
fileGEHENNA-README-WARNING.html

Ransom message:

notes/GEHENNA-README-WARNING.html

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with Lockedv1 ransomware:

  • windows-update-CVE-wFW.exe
  • DelShad Ransomware.exe
  • windows-update-cve-wfw.exe
  • Trojan.Ransom.GEHENNALOCKER.exe
  • raw.bin
  • gehenna_codes.exe
  • gehenna_codes.bin
  • gh1.exe

Elastio Can Help You

Don't let Lockedv1 ransomware take over your data

Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.

Learn MoreRequest a Demo

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

Recent Ransomware

Explore other threats in our database

View all ransomware