Ransomware Research

Coverton Ransomware

Coverton is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2016, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Coverton
First Seen
March 1, 2016

How Coverton Ransomware Works

Targeted Files

NOSAMPLE https://www.bleepingcomputer.com/forums/t/608802/coverton-ransomware-infection-support-and-help-topic-warning-html/

File Encryption Patterns

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

File extensions added after encryption:

..coverton..enigma..czvxce

Ransom Note and Payment Demands

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

file!!!-WARNING-!!!.html

Ransom message:

notes/!!!-WARNING-!!!.txt

Note locations:

EveryFolder
file!!!-WARNING-!!!.txt

Ransom message:

notes/!!!-WARNING-!!!.txt

Note locations:

EveryFolder

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About This Analysis

This Coverton 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 Coverton.

Last updated: July 30, 2025

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