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:

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
notes/how_to_back_files.html
Location: EveryFolder

Technical indicators

Associated executable files

The following executable files are associated with SchrodingerCat ransomware:

About this analysis

This SchrodingerCat 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 SchrodingerCat.

Last updated: December 30, 2025

Detection coverage

Elastio detects SchrodingerCat inside your data and backups.

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

See How the Hunt Engine WorksRequest a Demo

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