Ransomware Research
Zeoticus Ransomware
Zeoticus is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2019, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Zeoticus 2.0.
Quick Facts
- Ransomware Family
- Zeoticus
- First Seen
- December 1, 2019
- Known Aliases
- Zeoticus 2.0
How Zeoticus Ransomware Works
File Encryption Patterns
Zeoticus modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..zeoticus..young..2020END..pandoraRansom Note and Payment Demands
After encrypting files, Zeoticus displays ransom notes demanding payment for file recovery:
READ_ME.htmlRansom message:
notes/READ_ME.html
Note locations:
EveryFolderREADME.htmlRansom message:
notes/README.html
Note locations:
RootDiscsTechnical Indicators
Associated Executable Files
The following executable files are associated with Zeoticus ransomware:
622751.exeprogram.exendhpl old.exeZeoticus.exe
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About This Analysis
This Zeoticus 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 Zeoticus.
Last updated: July 30, 2025