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Danger level 3
Type: Potentially Unwanted Application


AdStopper is an application which many users decide to install on their systems because it promises to block advertisements. Generally speaking, it works as an ad-blocker. On top of that, it says that it will speed up all the browsers up to 30%. In other words, it promises to increase the speed of the website load. We cannot blame users that they download and install this program on their systems because it seems to be a flawless piece of software at first sight. AdStopper itself is also targeted at a wide range of people – it is compatible with all the browsers, including Internet Explorer, Google Chrome, Mozilla Firefox, and even Microsoft Edge. Unfortunately, this perfect-looking application is not 100% reliable. We do not force you to remove it if you have found it useful, but you should still read through this article to find out what you can expect from it. Users who decide to erase this potentially unwanted program (PUP) from the system after reading through this article can freely use instructions provided below.

Researchers at pcthreat.com have thoroughly tested AdStopper and found that it really works. In other words, you will not see ads that are provided on your screen by popular advertising networks because all the connections to them will be disabled. Of course, we cannot guarantee that you will not see commercials ever again. In order to work in a proper way, AdStopper will create the AdStopper folder in %PROGRMFILES% or %PROGRAMFILES(x86)%, depending on the version of Windows OS. More experienced users who pay a visit to the system registry from time to time might also notice new registry keys created and added there, e.g. [HKCU/HKLM]SOFTWARE\Classes\ADS_ServiceLib.DataContainer, [HKCU/HKLM] SYSTEM\ControlSet002\services\ADS_Service, and [HKCU/HKLM]Software\AdStopper. Last but not least, it seems that this application will also apply changes in order to be able to start working together with Windows. It means that it will continue acting behind your back even if you close it – this is one of the main reasons why it falls into the category of a PUP.

Many users decide to remove this program after they found out that it is not completely free. It has been observed that its trial version works only 7 days and then users need to upgrade it. There are two ways they can do that:

1) Click on the Free Upgrade button.

2) Pay $1.5/month.

Of course, many users hurry to upgrade the program for free and do not read the information written in small letters. After clicking on the button, they notice that their search settings have been changed. To be more specific, the homepage, search engine, and New Tab Page will be replaced by search.adstopper.com, which belongs to the AdStopper PUP. This search engine looks quite useful, but we cannot confirm that it is really 100% reliable. Therefore, we suggest that you set a more trustworthy search engine and homepage after you get rid of this PUP. We are sure that you will find another program that blocks ads effectively instead of it.

AdStopper is not a very bad program, so it will not gather personal information without permission like other threats. It will only do that if you provide this information willingly, for example, when “registering your software or purchasing a product.” What’s more, users can find information in the Privacy Policy that this program might gather non-personally identifiable information too, e.g. websites a user has visited. If you are not going to allow any program to record information about you, you need to delete AdStopper right now.

According to researchers working at pcthreat.com, this potentially unwanted program might be installed on the system silently even though it is available for download on its official website adstopper.com. It is known that one of the versions of this PUP is spread through malicious software installers, so there is a slight possibility that AdStopper did not enter your system alone. You can quickly find out whether or not other unreliable programs are installed by scanning your computer with a diagnostic tool (download it by clicking on the Download button you can find below).

You can easily find an uninstall entry of AdStopper in Control Panel, which means that it can be removed like any other simple program. Below you will also find instructions that will help you to do that, so use them freely if you need guidance. Of course, you can always remove infections from your computer automatically. We highly recommend using SpyHunter for this matter because we fully trust it and we know that it will make your system clean.

Remove AdStopper from PC

Windows XP

  1. Click on the Start button.
  2. Select Control Panel.
  3. Click Add or Remove Programs.
  4. Select the program and click Remove.

Windows 7/Vista

  1. Open the Start menu and click Control Panel.
  2. Click Uninstall a program.
  3. Right-click on the untrustworthy program and click Uninstall.

Windows 8/8.1

  1. Start typing Control Panel with your keyboard.
  2. Open it.
  3. Click Uninstall a program.
  4. Select the application and click Uninstall to delete it.

Windows 10

  1. Enter Control Panel in the search box on the Task bar.
  2. Click Uninstall a program.
  3. Locate the program you have to remove and right-click on it.
  4. Uninstall it.
Download Spyware Removal Tool to Remove* AdStopper
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