Ransomware Research

Maykolin Ransomware

Maykolin is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2017, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
Maykolin
First Seen
May 1, 2017

How Maykolin ransomware works

File encryption patterns

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

Extensions added after encryption
.[fuga139gh@dr.com].[maykolin1234@aol.com]

Ransom note and payment demands

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

fileREADME.maykolin1234@aol.com.txt
notes/README.maykolin1234@aol.com.txt
Location: RootDiscs
fileREADME.fuga139gh@dr.com.txt
notes/README.fuga139gh@dr.com.txt
message
notes/note.txt
Location: OnceOnCompletion

Technical indicators

Associated executable files

The following executable files are associated with Maykolin ransomware:

About this analysis

This Maykolin 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 Maykolin.

Last updated: December 30, 2025

Detection coverage

Elastio detects Maykolin inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Maykolin 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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