Ransomware Research
Locky-Zepto Ransomware
Locky-Zepto is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2016, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Zepto.
Quick Facts
- Ransomware Family
- Locky-Zepto
- First Seen
- July 1, 2016
- Known Aliases
- Zepto
How Locky-Zepto Ransomware Works
Targeted Files
https://hummingbird.tistory.com/6415 https://www.netskope.com/blog/zepto-ransomware-variant-locky-delivered-via-dll rundll32 q.dll,qwerty 323
File Encryption Patterns
Locky-Zepto modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..zeptoRansom Note and Payment Demands
After encrypting files, Locky-Zepto displays ransom notes demanding payment for file recovery:
/^_[0-9]{1,3}_HELP_instructions\.html$/Ransom message:
notes/_165_HELP_instructions.html
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Locky-Zepto ransomware:
rodris.exeA.exe
Elastio Can Help You
Don't let Locky-Zepto ransomware take over your data
Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.
About This Analysis
This Locky-Zepto 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 Locky-Zepto.
Last updated: July 30, 2025