Ransomware Research

Crocodile Smile Ransomware

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

Quick facts

Ransomware Family
Crocodile Smile
First Seen
April 1, 2024

How Crocodile Smile ransomware works

File encryption patterns

Crocodile Smile modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
.CrocodileSmile

Ransom note and payment demands

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

fileREAD_SOLUTION.txt
notes/READ_SOLUTION.txt
Location: EveryFolder
screenshot
notes/yxhphozhn.jpg
Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with Crocodile Smile ransomware:

About this analysis

This Crocodile Smile 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 Crocodile Smile.

Last updated: December 30, 2025

Detection coverage

Elastio detects Crocodile Smile inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Crocodile Smile 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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