Ransomware Research

FileFuck Ransomware

FileFuck is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2018, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
FileFuck
First Seen
October 1, 2018

How FileFuck ransomware works

File modification behavior

How FileFuck alters file modification timestamps is not known.

Ransom note and payment demands

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

file@READ_IT@.txt
notes/@READ_IT@.txt

Location: Desktop

message
notes/note.txt

Location: OnceOnCompletion

Technical indicators

Associated executable files

The following executable files are associated with FileFuck ransomware:

  • FileFuck.exe

About this analysis

This FileFuck 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 FileFuck.

Last updated: January 20, 2023

Detection coverage

Elastio detects FileFuck inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify FileFuck across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.