How to Remove Qidion Adware From Your Browser?

Browser hijacking is nothing new. It’s prevailing since the day, the internet has grown into our lives. However still, many of us are not aware of these browser hijackers which can be the serious threats to our online privacy and security. In this article, you’re going to read everything about a commonly found browser hijacker i.e. Adware.Qidion and how to remove it from your web browser.

What is Adware.Qidion 

Adware.Qidion is a browser hijacker, a sort of undesirable software which is used to modify the settings of any web browser without the consent of the users. Due to this, unwanted advertising lands into your browser and the home page is replaced by the search of the hijacker. The only motive of Adware.Qidion is to take the users to certain web pages without their wish so that they can earn more revenue with increased traffic on those web pages. 

Not just that, these browser hijackers also steal sensitive and confidential information like banking data and social media messages. Jargon for such browser hijacker is ‘PUP’ i.e., Potentially Unwanted Program. Those who are victims of Adware.Qidion, give it less polite names like virus or malware. Adware.Qidion is a package of many other applications and add-ons. 

What are Browser Hijackers?

Browser Hijackers are basically a program that is not meant for good intentions. They are developed for entering into the target system and alter the settings in an unauthorized way without the knowledge of the user. The main purpose of Browser Hijackers is to redirect users to websites they don’t intend to visit. These websites are usually malicious and carry undesirable content.

Browser hijackers have a lot of ill effects on your web settings and browsing history. It changes the default web home page to another, slow down the internet speed, install so many toolbars without consent, and generates too many ads.

Such browser hijackers are developed by Cyber Criminals to earn revenue from Ads fraudulently. The process of displaying Ads online is very simple. You will be paid according to Pay Per Click (PPC) or as per the number of impressions on the Ads displayed on your website. People make efforts to raise the traffic (number of visitors on a web page) to earn maximum revenue from placing online Ads. Browser Hijacker is one of the unethical ways to boost web traffic and earning money by showing advertisements.

Browser Hijackers also sells out the information obtained illegally from entering into the user’s web browser. Apart from that, these Hijackers also install ransom software into the victim’s system. Ransom Software encrypts user’s confidential and important data and holds it hostage. The victim has to pay a particular demanded sum to unlock the data.

How Did Adware.Qidion Get on My Computer?

This is a very important question that needs to be answered in order to prevent such browser hijackers from entering our system. There are only two possible ways through which Adware.Qidion can enter into your system.

In the first instance, you’re redirected through malicious links on email, Instant messaging platforms, or social media, to install such programs. And in the second instance, you download a software from a less trusted source and such Browser Hijacker comes along with it. Widely used web browsers like Google Chrome, Mozilla Firefox, and Internet Explorer Edge can be affected by Adware.Qidion.

How Do You Find That Your Browser is Infected by Qidion Adware?

What if your PC or laptop is infected by Qidion Adware? How would you find it? Well, if your PC or laptop gets infected by it, you will notice the following symptoms.

  • Your browser search engine will be modified.
  • The home page of your web browser will also notice suspicious changes.
  • The web pages you visit regularly will not appear correctly.
  • You will observe the auto-installation of many new plugins, toolbars, and extensions.
  • Slow loading of web pages.
  • Too many Advertisement popups and alerts.

How to Remove Qidion Adware?

Here’re some of the workarounds to get rid of Qidion Adware from your computer. 

Remove Suspicious Extension and Toolbars

The first and foremost thing you should do it to remove all the extensions and toolbars from your device. It is difficult to identify which extension is not good for your device. In such a case, it is suggested that you should remove all the extensions installed in your web browser.

Later on, you may reinstall the once you can count on. Doing that, close the web browser and restart your PC or laptop. Then, again open your web browser and check if the unwanted extensions are removed or not and everything is resume to normal or not. If you see that those extensions and toolbars are still there, read next.

Clear Your DNS Cache

Clearing DNS Cache is a good idea to deal with the demon-like Browser Hijackers. To clear the DNS cache on Windows PC or computer, do the following –

  • Click the Start menu, search for cmd and open command prompt.
  • In command prompt type ipconfig/flushdns
  • Hit the “Enter” key.

  • This will Wash out all the DNS Cache data.
  • You will see the message on the screen “Windows IP Configuration successfully cleared the DNS resolver cache”.

Uninstall Suspicious Programs

Search for Add or Remove Programs in the start menu and delete the applications that are suspicious. You may find some programs that you don’t even recognize installing, Remove such programs. 


Restart your computer to see if it is resolved or not.

Check Proxy Settings

Some browser hackers are efficient enough that they can even change your proxy settings. In such a case, removing the extensions and clearing the cache won’t work for you. So, the last resort is to check the proxy settings of your computer. Follow the steps given below to check the proxy settings on your Windows PC.

  • Open the ‘Control Panel’.
  • Then, go to the ‘Network and Internet’ Settings.
  • There, go to ‘Internet Options’.
  • Under the ‘Internet Options’ menu.
  • Click on the ‘Connections’ tab.

  • Then, Click on the ‘Local Area Network (LAN)’ Settings button.
  • Check-in the box of “Automatically detect settings”.


  • And leave the options “Use automatic configuration script” and “Use a proxy server for your LAN” empty.



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