Ransomware Research

Saturn Ransomware

Saturn is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2018, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Saturn RaaS.

Quick Facts

Ransomware Family
Saturn
First Seen
February 1, 2018
Known Aliases
Saturn RaaS

How Saturn Ransomware Works

File Encryption Patterns

Saturn modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..saturn

Ransom Note and Payment Demands

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

file#DECRYPT_MY_FILES#.txt

Ransom message:

notes/#DECRYPT_MY_FILES#.txt

Note locations:

EveryFolder
file#DECRYPT_MY_FILES#.html

Ransom message:

notes/#DECRYPT_MY_FILES#.html

Note locations:

EveryFolder
screenshot

Ransom message:

notes/#DECRYPT_MY_FILES#.html

Note locations:

Desktop
file#DECRYPT_MY_FILES#.vbs

Ransom message:

notes/#DECRYPT_MY_FILES#.vbs

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with Saturn ransomware:

  • SATURN_RANSOM.exe
  • SATURN_RANSOM.bin
  • myfile.exe
  • Saturn.exe
  • stub
  • 9e87f069de22ceac029a4ac56e630.exe
  • 9e87f069de22ceac029a4ac56e630 (Saturn).exe
  • stub.exe
  • b3040fe60ac4408.exe
  • b3040fe60ac4408 (Saturn).exe

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About This Analysis

This Saturn 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 Saturn.

Last updated: October 30, 2025

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