El Dorado Ransomware
El Dorado is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2024, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: El-Dorado, Eldorado, El Dorado Doxware, Global.
Quick facts
How El Dorado ransomware works
File encryption patterns
El Dorado modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, El Dorado displays ransom notes demanding payment for file recovery:
notes/HOW_RETURN_YOUR_DATA.TXT
notes/README.EeUfy.txt
About this analysis
This El Dorado 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 El Dorado.
Last updated: December 30, 2025
Elastio detects El Dorado inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify El Dorado 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.
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