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Ransomware Research
ShellLocker Ransomware
ShellLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- ShellLocker
- First Seen
- November 1, 2016
How ShellLocker Ransomware Works
Targeted Files
https://www.hybrid-analysis.com/sample/5e27ab7ef30ea964c8c2c72c3af1de46899c83cb8756a5be12dc6a3d6d34d913?environmentId=100 #TEAM-UINA on the lockscreen (maybe discord contact) Random filenames -> o83A=$.L0cked 3=yeoen0I.x0lzs3c
File Encryption Patterns
ShellLocker modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..L0cked
..x0lzs3c
Ransom Note and Payment Demands
After encrypting files, ShellLocker displays ransom notes demanding payment for file recovery:
Ransom message:
notes/BackgroundImage.jpeg
Note locations:
Desktop
Ransom message:
notes/note.txt
Note locations:
Login
Technical Indicators
Associated Executable Files
The following executable files are associated with ShellLocker ransomware:
Document.exe
svchost.exe
RiFHLKNIxz
Documents.cmd
Shell.exe
ShellLocker.exe
aadh.exe
ShellLocker..exe
MicrosoftGenuineAdvantage.exe
VBRansomware.exe
Ohayo.exe
Elastio Can Help You
Don't let ShellLocker ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This ShellLocker 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 ShellLocker.
Last updated: July 30, 2025