Ransomware Research

Zero-Fucks Ransomware

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

Quick facts

Ransomware Family
Zero-Fucks
First Seen
July 1, 2019
Known Aliases
  • ZeroFucks

How Zero-Fucks ransomware works

File modification behavior

Zero-Fucks updates file modification timestamps after encryption.

File encryption patterns

Zero-Fucks modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .zerofucks

Ransom note and payment demands

After encrypting files, Zero-Fucks displays ransom notes demanding payment for file recovery:

fileBitcoin_Address.txt
notes/Bitcoin_Address.txt

Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with Zero-Fucks ransomware:

  • Zero-Fucks RSW.exe
  • ZERO-FUCKS.EXE

Recovery and decryption tools

Decryption tools may be available for Zero-Fucks. Review the resources below:

About this analysis

This Zero-Fucks 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 Zero-Fucks.

Last updated: January 4, 2023

Detection coverage

Elastio detects Zero-Fucks inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Zero-Fucks 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.