How to remove Questdns.com [Chrome, Firefox, IE, Edge]

If you keep receiving the Questdns.com when you run the web browser, it could mean your personal computer is infected with malicious software from the browser hijacker family. Once installed, it will make a changes to the Firefox, Google Chrome, Microsoft Internet Explorer and Microsoft Edge’s settings. So, every time, when you will open the browser, it’ll begin to display Questdns.com unwanted instead of your startpage. Moreover, this malware may block an option to restore your homepage.

The Questdns.com hijacker can alter settings of the Google Chrome, FF, MS Edge and IE, but often that unwanted software like this can also infect all types of web browsers by changing their desktop shortcuts. Thus forcing the user to see Questdns.com annoying page every time run the web-browser.

The infection, which set the Questdns.com homepage as your startpage can also set this annoying page as your search engine. You will encounter the fact that the search in the web browser has become uncomfortable to use, because the search results will consist of a lot of advertisements, links to ad and unwanted web pages and a small amount of regular links, which are obtained from a search in the major search engines. Therefore, look for something using Questdns.com page would be a waste of time or worse, it can lead to even more infected machine.

Although, Questdns.com hijacker infection is not a virus, but it does bad things, and it alters the settings of your web browser. Moreover, an adware (sometimes called ‘ad-supported’ software) can be additionally installed on to your computer with this infection, that will display a lot of advertisements, hindering or completely blocking the work in the web-browser. Often such these ads may recommend to install other unknown and unwanted programs or visit malicious web-pages.

Therefore it’s very important to clean your personal computer as soon as possible. Follow the steps below to remove Questdns.com , as well as other malware and adware, which can be installed onto your system along with it.

How can you prevent the Questdns.com hijacker infection

Probably Questdns.com browser hijacker get installed onto your computer when you have installed some free software like E-Mail checker, PDF creator, video codec, etc. Because, most commonly, a browser hijacker may be bundled within the setup packages from Softonic, Cnet, Soft32, Brothersoft or other similar web pages which hosts free programs. So, you should launch any files downloaded from the Internet with great caution! Always carefully read the ‘User agreement’, ‘Software license’ and ‘Terms of use’. In the procedure of installing a new program, you need to select a ‘Manual’, ‘Advanced’ or ‘Custom’ installation mode to control what components and optional software to be installed. Nevertheless, even removing the program, which installs this Questdns.com browser hijacker, you do not remove the browser hijacker infection itself. Your web-browser settings will not be restored. Therefore, you must follow the instructions below to restore your start page and search provider by default.

How to manually remove Questdns.com

If you perform exactly the instructions below you should be able to delete the Questdns.com homepage. Read it once, after doing so, please print this page as you may need to close your browser or reboot your machine.

1. Delete Questdns.com associated software by using Windows Control Panel
2. Remove Questdns.com homepage from Google Chrome
3. Remove Questdns.com redirect from Firefox
4. Get rid of Questdns.com search from Internet Explorer
5. Disinfect the browser’s shortcuts to remove Questdns.com redirect

Uninstall Questdns.com associated software by using Windows Control Panel

The best way to begin the computer cleanup is to remove unknown and suspicious programs. Using the Windows Control Panel you can do this quickly and easily. This step, in spite of its simplicity, should not be ignored, because the removing of unneeded software can clean up the Chrome, Firefox, Microsoft Internet Explorer and Microsoft Edge from pop-ups hijackers and so on.

1. If you are using Windows 8, 8.1 or 10 then click Windows button, next press Search. Type “Control panel”and press Enter.
2. If you are using Windows XP, Vista, 7, then click “Start” button and click “Control Panel”.
3. It will display the Windows Control Panel.
4. Further, click “Uninstall a program” under Programs category.
5. It will display a list of all programs installed on the computer.
6. Scroll through the all list, and remove suspicious and unknown applications. To quickly find the latest installed applications, we recommend sort software by date.

See more details in the video guide below.

Remove Questdns.com homepage from Google Chrome

Reset Chrome settings is a easy way to get rid of the browser hijacker, harmful and adware extensions, as well as to restore the browser’s homepage and search engine by default that have been replaced by browser hijacker infection.

1. First, run the Chrome and click the Menu icon (icon in the form of three horizontal stripes).
2. It will show the Chrome main menu, press the “Settings” menu.
3. Next, click “Show advanced settings” link, which located at the bottom of the Settings page.
4. On the bottom of the “Advanced settings” page, press the “Reset settings” button.
5. The Chrome will display the reset settings prompt as shown on the screen above.
6. Confirm the web-browser’s reset by clicking on the “Reset” button.
7. To learn more, read the post How to reset Google Chrome settings to default.

Remove Questdns.com redirect from Firefox

First, run the Firefox. Next, click the button in the form of three horizontal stripes (). It will open the drop-down menu. Next, click the Help button ().

In the Help menu press the “Troubleshooting Information”. In the upper-right corner of the “Troubleshooting Information” page click on “Refresh Firefox” button as shown in the figure below.

Confirm your action, click the “Refresh Firefox”.

Get rid of Questdns.com search from Internet Explorer

First, launch the Microsoft Internet Explorer, click ) button. Next, press “Internet Options” as on the image below.

In the “Internet Options” screen select the Advanced tab. Next, click Reset button. The IE will show the Reset Internet Explorer settings prompt. Select the “Delete personal settings” check box and press Reset button.

You will now need to reboot your computer for the changes to take effect. It will delete Questdns.com browser hijacker infection, disable malicious and ad-supported web browser’s extensions and restore the Microsoft Internet Explorer’s settings like startpage, new tab page and default search engine to default state.

Disinfect the browser’s shortcuts to remove Questdns.com redirect

Click the right mouse button to a desktop shortcut which you use to run your web browser. Next, select the “Properties” option. Important: necessary to click on the desktop shortcut for the web browser which is redirected to the Questdns.com or other unwanted web page.

Further, necessary to look at the text which is written in the “Target” field. The browser hijacker can rewrite the contents of this field, which describes the file to be run when you start your internet browser. Depending on the web-browser you are using, there should be:

• Google Chrome: chrome.exe
• Opera: opera.exe
• Firefox: firefox.exe
• Internet Explorer: iexplore.exe

If you are seeing an unknown text such as “http://questdns.com/” that has been added here, then you should remove it, as shown below.

Next, press the “OK” button to save the changes. Now, when you open the browser from this desktop shortcut, it does not occur automatically redirect on the Questdns.com web-page or any other annoying web pages. Once the step is finished, we recommend to go to the next step.

Delete Questdns.com homepage automatically

You can get rid of Questdns.com homepage automatically with a help of Malwarebytes Free. We recommend this free malware removal utility because it can easily remove browser hijackers, adware (sometimes called ‘ad-supported’ software), potentially unwanted programs and toolbars with all their components such as files, folders and registry entries.

Download Malwarebytes Free on your computer from the link below. Save it on your desktop.

Once the downloading process is finished, close all windows on your machine. Further, run the file named mb3-setup. If the “User Account Control” prompt pops up as shown in the figure below, click the “Yes” button.

It will open the “Setup wizard” that will assist you install Malwarebytes on the personal computer. Follow the prompts and do not make any changes to default settings.

Once setup is finished successfully, click Finish button. Then Malwarebytes will automatically start and you can see its main window as shown on the screen below.

Next, click the “Scan Now” button to start checking your machine for the hijacker infection which cause a redirect to Questdns.com. When a threat is found, the number of the detected objects will change accordingly. Wait until the the checking is finished. Please be patient.

As the scanning ends, you can check all threats detected on your PC system. Make sure all entries have “checkmark” and click “Quarantine Selected” button.

The Malwarebytes will start removing Questdns.com browser hijacker and other security threats. Once disinfection is done, you may be prompted to reboot your computer. I recommend you look at the following video, which completely explains the procedure of using the Malwarebytes to delete browser hijacker, adware and other malicious programs.

Stop Questdns.com homepage and other unwanted web-sites

To increase your security and protect your personal computer against new annoying advertisements and dangerous pages, you need to use an program that stops access to dangerous advertisements and pages. Moreover, the program can block the display of intrusive advertising, which also leads to faster loading of web pages and reduce the consumption of web traffic.

Download AdGuard application from the following link.

After downloading is finished, start the downloaded file. You will see the “Setup Wizard” screen as on the image below.

Follow the prompts. When the setup is complete, you will see a window as on the image below.

You can click “Skip” to close the installation application and use the default settings, or click “Get Started” button to see an quick tutorial which will help you get to know AdGuard better.

In most cases, the default settings are enough and you don’t need to change anything. Each time, when you launch your machine, AdGuard will launch automatically and block popup ads, web pages such Questdns.com, as well as other dangerous or misleading sites. For an overview of all the features of the program, or to change its settings you can simply double-click on the AdGuard icon, which is located on your desktop.

Remove Questdns.com hijacker infection and malicious extensions with AdwCleaner.

If MalwareBytes Anti-malware cannot remove this browser hijacker, then we suggests to use the AdwCleaner. AdwCleaner is a free removal utility for browser hijackers, adware, potentially unwanted programs and toolbars.

Download AdwCleaner by clicking on the link below.

Once downloading is complete, open the directory in which you saved it. You will see an icon like below.

Double click the AdwCleaner desktop icon. When the tool is started, you will see a screen as on the image below.

Further, press “Scan” button to perform a system scan for the Questdns.com infection and web browser’s malicious extensions. When it has finished scanning your machine, it will show a scan report as shown on the screen below.

Review the report and then press “Clean” button. It will open a dialog box as shown on the screen below.

You need to press “OK”. When the clean up is complete, the AdwCleaner may ask you to restart your PC system. When your machine is started, you will see an AdwCleaner log.

These steps are shown in detail in the following video guide.

Finish words

Now your machine should be clean of the Questdns.com redirect. Delete AdwCleaner. We suggest that you keep AdGuard (to help you block unwanted popup ads and annoying dangerous web sites) and Malwarebytes (to periodically scan your machine for new malware, browser hijackers and adware). Make sure that you have all the Critical Updates recommended for Windows OS. Without regular updates you WILL NOT be protected when new browser hijacker, harmful applications and ‘ad supported’ software are released.

If you are still having problems while trying to get rid of Questdns.com redirect from your internet browser, then ask for help in our Spyware/Malware removal forum.