Ransomware Research

Spartacus Ransomware

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

Quick facts

Ransomware Family
Spartacus
First Seen
April 1, 2018

How Spartacus ransomware works

File encryption patterns

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

Extensions added after encryption
.Spartacus.SF

Ransom note and payment demands

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

fileREAD ME.txt
notes/READ ME.txt
Location: RootDiscs, Desktop

Technical indicators

Associated executable files

The following executable files are associated with Spartacus ransomware:

About this analysis

This Spartacus 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 Spartacus.

Last updated: December 30, 2025

Detection coverage

Elastio detects Spartacus inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Spartacus 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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