Ransomware Research
Spongebob Ransomware
Spongebob is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: SpongeBob.
Quick Facts
- Ransomware Family
- Spongebob
- First Seen
- July 1, 2017
- Known Aliases
- SpongeBob
How Spongebob Ransomware Works
Targeted Files
Fake
Ransom Note and Payment Demands
After encrypting files, Spongebob displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Note locations:
OnceOnCompletionTechnical Indicators
Associated Executable Files
The following executable files are associated with Spongebob ransomware:
KKKryptoLocker.exeTrojan.Ransom.SpongeBob.exeTrojan.Ransom.Filecoder.BL.exeec1.exeSpongebob Ransomware 2.0.exeec1e8d861fc4357.exe
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About This Analysis
This Spongebob 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 Spongebob.
Last updated: July 30, 2025