Ransomware Research

Funfact Ransomware

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

Quick facts

Ransomware Family
Funfact
First Seen
January 1, 2017

How Funfact ransomware works

File encryption patterns

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

Extensions added after encryption
.cry

Ransom note and payment demands

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

filenote.ini
notes/note.ini
Location: RansomPayloadStartFolder

Technical indicators

Associated executable files

The following executable files are associated with Funfact ransomware:

About this analysis

This Funfact 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 Funfact.

Last updated: December 30, 2025

Detection coverage

Elastio detects Funfact inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Funfact 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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