Ransomware Research

Danger Siker Ransomware

Danger Siker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2023, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
Danger Siker
First Seen
November 1, 2023

How Danger Siker ransomware works

File encryption patterns

Danger Siker modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
.DangerSiker

Ransom note and payment demands

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

filemesajin_var_amcik
notes/mesajin_var_amcik
Location: EveryFolder
screenshot
notes/etpj3zrh7.jpg
Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with Danger Siker ransomware:

About this analysis

This Danger Siker 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 Danger Siker.

Last updated: December 30, 2025

Detection coverage

Elastio detects Danger Siker inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Danger Siker 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.

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What is Danger Siker Ransomware? | Elastio