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

File modification behavior

How Spongebob alters file modification timestamps is not known.

Ransom note and payment demands

After encrypting files, Spongebob displays ransom notes demanding payment for file recovery:

message
notes/note.txt

Location: OnceOnCompletion

Technical indicators

Associated executable files

The following executable files are associated with Spongebob ransomware:

  • KKKryptoLocker.exe
  • Trojan.Ransom.SpongeBob.exe
  • Trojan.Ransom.Filecoder.BL.exe
  • ec1.exe
  • Spongebob Ransomware 2.0.exe
  • ec1e8d861fc4357.exe

About this analysis

This Spongebob ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like Spongebob.

Last updated: May 11, 2023

Detection coverage

Elastio detects Spongebob inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Spongebob across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.