Ransomware Research

Good Ransomware

Good is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2019, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Goodmen.

Quick facts

Ransomware Family
Good
First Seen
August 1, 2019
Known Aliases
Goodmen

How Good ransomware works

File encryption patterns

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

Extensions added after encryption
.good.phobos.ABCDEF.abcd

Ransom note and payment demands

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

fileRestore-My-Files.txt
notes/Restore-My-Files.txt
Location: EveryFolder
file===HOW TO RECOVER ENCRYPTED FILES===.TXT
notes/===HOW TO RECOVER ENCRYPTED FILES===.TXT

Technical indicators

Associated executable files

The following executable files are associated with Good ransomware:

About this analysis

This Good 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 Good.

Last updated: December 30, 2025

Detection coverage

Elastio detects Good inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Good 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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