Ransomware Research

FileEngineering Ransomware

FileEngineering is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2020, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
FileEngineering
First Seen
November 1, 2020

How FileEngineering ransomware works

File encryption patterns

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

Extensions added after encryption
.encrypted

Ransom note and payment demands

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

fileGet your files back!.txt
notes/Get your files back!.txt

Technical indicators

Associated executable files

The following executable files are associated with FileEngineering ransomware:

About this analysis

This FileEngineering 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 FileEngineering.

Last updated: December 30, 2025

Detection coverage

Elastio detects FileEngineering inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify FileEngineering 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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