What is Backdoor.Yurn?

Backdoor.Yurn, a trojan horse first detected in January 2017 on several computers running Windows operating system. Being a backdoor trojan, after infiltrating computer, first of all, Yurn edits Windows registry entries and add its executable file into startup program list. Afterwards, the trojan disables security shield of the affected computer and secretly allows remote hacker to access computer. This is the most worse thing that happens with any computer users. You should know that remote access allows third party to perform a number of questionable activities like stealing private files, altering system settings, modifying browsers settings, executing destructive commands, using your webcam for recording your private moments, taking snapshot of your financial transactions etc.

Backdoor.Yurn

Furthermore, your should know that Backdoor.Yurn is not kind of trojan horse that could be delete easily from your computer. Because, it injects itself into legitimate process of legitimate windows applications in order to hide inside your computer and stay undetected for a very long time. However, we've created a guide for removing Backdoor.Yurn from computer. But first, we insist you to collect needful information that would help you to protect your Windows-machine in future.

Backdoor.Yurn – Ways of Distribution

  • Pirated software or games – you install pirated software or games in order to save few dollars without knowing that your computer could be infected with Backdoor.Yurn. Such software always carry some kind of trojan or malware.
  • Fake Antivirus/PC optimizer – while surfing Internet, you see fake virus alter on your browser and suggestion to install some costly Antivirus software or PC Optimizer software. When you install it, your computer gets infected with Backdoor.Yurn or other identical threats.
  • Certain redirected links – such links may automatically start downloading of trojan dropper or script that installs Backdoor.Yurn in background without any consent.
  • Infected Removable Drives – when you plug in removable drives and start using stored data without scanning first, it increases possibility of Backdoor.Yurn infection.

Though, if you want safeguard your computer, we recommend you to keep Antivirus software installed on your each computer. Most importantly, you should keep it always updated to latest virus database. Now, it is essential to uninstall Backdoor.Yurn from your compromised computer, follow the guide:

Scan PC to Remove Backdoor.Yurn

How to Uninstall Backdoor.Yurn from Control Panel from Windows 10

  • Click and Open Start Menu option

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  • Settings option is to be selected on the menu to show all the contents

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  • Click on System option

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  • On the system Menu, Click on Apps and features option

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  • Now Click on Backdoor.Yurn to remove it from PC.

How to Eliminate Backdoor.Yurn from Windows 8/8.1

Step 1: Press repeatedly F8 to boot PC in Safe Mode. Restart PC and select “Safe Mode with Networking”.

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Step 2: Press ALT+Ctrl+Del to open Windows Task Manager. After that, search all the Backdoor.Yurn related processes and then click to “End Task”

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Step 3: Type “regedit” in Run dialog box and open Windows Registry Editor. Search and delete all the corrupt registries added by Backdoor.Yurn infection.

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Step 4: Go to Start and then click to open Control Panel.

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After that, click Add/Remove Program

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Uninstall Backdoor.Yurn associated programs from Windows 8/8.1

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Uninstall Backdoor.Yurn From Window 7/vista

Tap on F8 Key to Enter Safe Mode

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Restart PC and select “Safe Mode with Networking”

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First of all close all running programs and open Task manager by pressing ALT + CTRL + DEL keys on your keyboard simultaneously.

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Now Click on Processes menu and select all the processes associated with Backdoor.Yurn one by one then click on End Task.

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Now go to the desktop, click on Start Menu on the left lower corner. Move to Control panel and use left mouse click over it.

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The Control panel window will open, if are getting the view by Category find and click “Uninstall a program” below “Programs” group.

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Now select Backdoor.Yurn within programs list and click on Uninstall.

Steps to Eliminate Backdoor.Yurn from Windows XP

Step 1: Restart PC in Safe Mode by continuously pressing F8 button. After that, select “Safe Mode with Networking”.

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Step 2: Open Windows Task Manager by pressing Alt+Ctrl+Del together. After that, find and select all the Backdoor.Yurn associated processes and then click to “End Task” button.

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Step 3: Open Run dialog box and then enter “regedit.exe” to open Windows Registry. Search and then delete all the corrupt and infectious registries added by Backdoor.Yurn.

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Step 4: Click Start button and then go to Control Panel, click to open Windows Add/Remove Program. Search all the Backdoor.Yurn related programs and then uninstall it from Windows XP.

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How to Uninstall Backdoor.Yurn From Your Infected Browser

A. Guidelines to Remove Backdoor.Yurn From Microsoft Edge Browser

How to Reset Default Search Engine to Uninstall Backdoor.Yurn

Select Settings after selecting More (…) on the address bar

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Click and select on View advanced settings option

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In order to input the search engine, Click on <Add new> under option”Search in the address bar with”

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Select Search engine and adds as default by clicking on Add as default option.

How to Reset Default Homepage on Microsoft Edge to Uninstall Backdoor.Yurn

  • Select More (…) option on the address bar followed by settings
  • Select specific page or pages under Open with option
  • After selecting the Custom option, enter the URL of the homepage you wish to set as

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B. How to Delete Backdoor.Yurn from Google Chrome

Click to Open Google Chrome and then click on menu icon which is on the top right corner and then select Tools → Extensions

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Select all the malicious extensions including Backdoor.Yurn and then select trash icon

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Again click on menu icon and select Settings and then click to Manage Search Engines under the Search section

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In Search Engines, remove all the infectious search sites and set Google Chrome as Default Browser

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C. How to Uninstall Backdoor.Yurn From Mozilla Firefox

Launch Mozilla Firefox and find and click “Firefox” button on the top left corner on the screen.

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A drop down box will appear, navigate to Add-ons option and click on it.

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In the next window select and click on “Extensions” in left pane.

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Find Backdoor.Yurn add-on and click on the center area to see the border exactly and click on Disable button.
Wait a moment and let the add-on get disabled.

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Now click the “Remove” button, later on uninstall the add-on Mozilla will ask you to restart the browser.

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D. How to Remove Backdoor.Yurn From Internet Explorer

First of all Launch Internet explorer by clicking the Task-bar Icon on desktop.

Now Click on Tool Menu on web browser interface.

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Select and click on Manage add-ons in the drop down box.

A View and manage your Internet Explorer Add-ons window will open, now click on “Toolbar and Extensions” option in left pane.

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A list of all installed ad-ons will appear, select Backdoor.Yurn and click on “Disable” button and Reset IE

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Click to Download Backdoor.Yurn Scanner