Ransomware Research

DeadBolt Ransomware

DeadBolt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2022, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
DeadBolt
First Seen
January 1, 2022

How DeadBolt ransomware works

File encryption patterns

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

Extensions added after encryption
.deadbolt

Ransom note and payment demands

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

fileALL YOUR FILES HAVE BEEN LOCKED BY DEADBOLT.html
notes/ALL YOUR FILES HAVE BEEN LOCKED BY DEADBOLT.html

Technical indicators

Associated executable files

The following executable files are associated with DeadBolt ransomware:

About this analysis

This DeadBolt 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 DeadBolt.

Last updated: December 30, 2025

Detection coverage

Elastio detects DeadBolt inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify DeadBolt 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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