Ransomware Research

Doebnank Ransomware

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

Quick facts

Ransomware Family
Doebnank
First Seen
February 1, 2023

How Doebnank ransomware works

File encryption patterns

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

Extensions added after encryption
.crypted_doebnank@outhyred_com

Ransom note and payment demands

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

filehow_to_back_files.html
notes/how_to_back_files.html
Location: EveryFolder

About this analysis

This Doebnank 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 Doebnank.

Last updated: December 30, 2025

Detection coverage

Elastio detects Doebnank inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Doebnank 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 Doebnank Ransomware? | Elastio