Ransomware Research

SchrodingerCat Ransomware

SchrodingerCat is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2024, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
SchrodingerCat
First Seen
March 1, 2024

How SchrodingerCat Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..schrodingercat

Ransom Note and Payment Demands

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

filehow_to_back_files.html

Ransom message:

notes/how_to_back_files.html

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with SchrodingerCat ransomware:

  • 0.15.10_old.exe

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About This Analysis

This SchrodingerCat 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 SchrodingerCat.

Last updated: October 30, 2025

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