Ransomware Research

Planetary Ransomware

Planetary is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2019, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Planetary
First Seen
March 1, 2019

How Planetary Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..Mercury..pluto..mecury..Neptune..yum..mira..Amigo-X3

Ransom Note and Payment Demands

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

file!!!READ_IT!!!.txt

Ransom message:

notes/!!!READ_IT!!!.txt

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with Planetary ransomware:

  • can
  • do it
  • myfile.exe

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About This Analysis

This Planetary 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 Planetary.

Last updated: October 30, 2025

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