How To Remove Backdoor.Duuzer/ Backdoor.Duuzer Trojan Removal Solution

“If Your PC has infected with Backdoor.Duuzer, then be alert it can be a hazardous virus for your computer. Follow the below guide to know more about this virus and the removal procedure.”

What is Backdoor.Duuzer

Backdoor.Duuzer is a disguising Trojan virus designed by cyber criminal to earn money in illegal way. Backdoor.Duuzer attaches itself with the packages of System toolbar, browser extension, Plug-in and downloading unwanted program from internet and infect your PC without your knowledge. Once installed it can change your default browser’s settings and remember it can attacks all sorts of browser like Mozilla Firefox, Internet Explorer and Google Chrome. Very soon you will noticed fake error message, alert notification and popup warning to update software such as java, adobe reader, flash player, and other software program on your screen. If you clicks on update button then it will redirect you to some harmful websites where you might infected with serious threat. Backdoor.Duuzer can slow down your internet speed, drains down the computer performance as well as inject its malicious programs and codes. Your usual antivirus tool may not detect this virus as Backdoor.Duuzer can change default registry codes, DNS address and task scheduler of your computer time to time. You need to remove this nasty Trojan virus as soon as possible.

Remove Backdoor.Duuzer

Remove Backdoor.Duuzer

Threat’s Summary:

Virus Name Backdoor.Duuzer
Virus Type Trojan
Behavior Backdoor.Duuzer” hijacks your current page and redirect it to advertising websites.
Risk Impacted Performance degradation of system, Malware Attacks, Cyber Theft.
Applies on All versions of Windows Operating System.

We would recommend to use below tool and run it on your computer to remove Backdoor.Duuzer automatically.

Removal tool

How your computer got infected with Backdoor.Duuzer

Via freeware or shareware

Backdoor.Duuzer can be included within some freeware or shareware programs – as a legitimate way of generating advertising revenues that help to fund the development and distribution of the freeware or shareware program

Infected websites

A visit to an infected website can result in unauthorized installation of Backdoor.Duuzer. Hacker technologies are often used to penetrated via a browser vulnerability.

Effects of Backdoor.Duuzer on your computer

• Backdoor.Duuzer Hijacks your current webpage and redirect it to unknown sites.
• Backdoor.Duuzer always bypass security tools through rootkit tactic
• Backdoor.Duuzer is infamous for inserting computer with unknown infections
• Backdoor.Duuzer update your installed application without your permission.
• Backdoor.Duuzer can steal your personal data like IP address, login data and browsing keywords and visited URLs.

How to manually remove Backdoor.Duuzer from your computer

Follow the below steps carefully  to remove Backdoor.Duuzer completely from your computer.

Please Note that the manual steps involves registry changes which may damage your computer if not performed properly. For Automatic removal, please download the tool below which will do the same automatically without harming anything and does not require special attention.

Automatic Removal of  ‘Backdoor.Duuzer’

Removal tool


Manual Removal  of ‘Backdoor.Duuzer’

Step 1: If this nasty Backdoor.Duuzer stops you from starting your system in Safe Mode with Networking, attempt to restart your system in Safe Mode with Command Prompt by pressing ‘F8’ key while your system is booting.Backdoor.Duuzer removal


Press F8 key continuously until the Windows Advanced Options Menu launches. And then press Enter key to continue.




Step 2: Once the windows started, Go to Start -> RUN -> Type “CMD”



On the ‘Command Prompt’ -> Type ‘Explorer’ to open ‘Windows Explorer’

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On the ‘Windows Explorer’ screen, please browse and open the below path


Backdoor.Duuzer removal5


Step 3: The next step is to open ‘Registry’ and reset the default configuration. To do that, please follow the below steps.

Go to “Start” -> RUN -> ‘regedit’ -> Enter


The registry editor window will be opened.

Backdoor.Duuzer removal6


On the Registry editor window, browse the below path by extending the relevant key. (Mentioned below). Select ‘Shell’ in the right side window and double click to change it’s value.

Backdoor.Duuzer removal7

If it’s not already set to ‘Explorer.exe’ then change it to the same and click on ‘OK’ to exit.



Please Note that the manual steps involves registry changes which may damage your computer if not performed properly. For Automatic removal, please download the tool below which will do the same automatically without harming anything and does not require special attention.

Removal tool

How to install Spyhunter:

  • Click on the above link to download and execute the required actions.

step1 spyhunter

  • After installation this program should be updated and scan. Examine the result when the scan will be finished. If you find some useful for you utilities in the list, so you can eliminate the tick near it, otherwise Spyhunter will remove the software. It pertains to the uncommon and special utilities that users install for their work. But generally, there is no need to delete any ticks.

step-2 spyhunter

  • After that you should click Fix Threats button. If you have already had the license, then the viruses will be removed. In case you did not, then you will have the opportunity to pay for the license key.

step-4 spyhunter

Your computer is fully protected now.

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