Ransomware Research
ZeroLocker Ransomware
ZeroLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2014, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- ZeroLocker
- First Seen
- August 1, 2014
How ZeroLocker Ransomware Works
File Encryption Patterns
ZeroLocker modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..encryptRansom Note and Payment Demands
After encrypting files, ZeroLocker displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
LoginTechnical Indicators
Associated Executable Files
The following executable files are associated with ZeroLocker ransomware:
Task Manager.exezero.exeZerolocker.exezerolocker.exeTrojan.Ransom.ZeroLocker.exezerolocker588.jsonbinarymyfile.exezer.exejuhu.exed8b81df4-24ed-468e-b076-1d4db6f6ce1f.d2file-7309804_exe5.exeWinUpd32.exe
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About This Analysis
This ZeroLocker 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 ZeroLocker.
Last updated: July 30, 2025