Click on screenshot to zoom
Danger level 7
Type: Browser Hijackers
Common infection symptoms:
  • Hijacks homepage
  • Can't be uninstalled via Control Panel
  • Changes default search engine is a browser hijacker that can affect any major browser out there. Users often add this application to their browsers without even realizing it when they install freeware applications. If your default homepage was suddenly changed to, you have to remove all the potential threats from your computer as soon as possible. For the manual removal instructions, please scroll down to the bottom of this description. You should also consider investing in a legitimate antispyware application that would protect your computer and your personal information from malicious exploitation.

It is very often that users install on their computers without even realizing it. This browser hijacker tends to come bundled with PdfPro100. It is a freeware application that you can download from or However, more often than not, users download such applications accidentally when they roam freeware websites. For instance, you could have been looking for a random application, and you found it at a file-sharing website. It is very easy to download programs from such sites, but you should be very careful when you install these applications because they might come with additional features, just like PdfPro100 came with

Is it possible to deselect the unnecessary applications when you install new software? Normally, it is possible. However, you need to be very attentive because the clause that allows you to deselect unwanted applications might be hiding somewhere at the bottom of the installation step. But it also means that you are the one responsible for your computer’s safety, and sometimes you may accidentally allow the likes of to enter your system. We totally understand that it probably was not your intention to have this browser hijacker on-board, but now that it happened, you need to deal with the issue at hand.

So what happens if this browser hijacker suddenly takes over your browser? Luckily, this program is not an extremely dangerous threat. It is more of an annoying nuisance that can slow down your browser’s performance and expose you to potentially harmful websites.

Upon the installation, will change your default homepage, search engine, and the new tab settings to its own website. It means that the next time you open your browser; it will automatically redirect you to What’s more, even if you use another search engine to perform a web search, you can be sure that the keywords you enter will be logged and processed by tracking cookies that this browser hijacker uses. can also redirect your search to the modified Bing search results. Of course, Bing is a reliable search engine, and it is has nothing to do with this browser hijacker. When this browser hijacker makes use of Bing, it merely changes the displayed results according to your likes and preferences. How does it know that? Well, as mentioned, employs tracking cookies to monitor your online activities. So eventually, it finds out what websites you frequent, and what you usually search for when you browse the web. As a result, the hijacker might display search results that can be more or less related to what you like.

Why does it do that? Well, if you see something that you like, there is a bigger possibility that you will click it, right? And every single time you click on a promoted link, you help make money. To be honest, there is nothing illegal about such a practice. But the problem is that browser hijackers, and other programs that indulge in online advertising do not review the content they promote. So sometimes they might accidentally redirect you to some dangerous website. Of course, getting infected with malware is the worst-case scenario in this situation, but it can happen, and you should not overlook that.

Hence, the sooner you remove from your system, the better. Terminate the browser hijacker using the manual removal instructions you will find below. If you think that there might be more unwanted applications on your computer, you can always scan it with the SpyHunter free scanner. If more potential threats are found, you can remove them automatically. Finally, please avoid visiting unfamiliar websites that might be related to browser hijacker distribution in the future. Your behavior online is just as important in ensuring your system’s security as your antispyware application.

How to Remove

  1. Press Win+R and type %AppData%. Click OK.
  2. Remove the AppSync folder from the directory.

Reset Internet Explorer

  1. Press Alt+T and click Internet Options.
  2. Open the Advanced tab and click Reset.
  3. Select Delete personal settings and press Reset.
  4. Click Close.

Reset Firefox

  1. Press Alt+H and go to Troubleshooting information.
  2. Click Refresh Firefox at the top right of the new tab.
  3. Press Refresh Firefox on the confirmation box.
  4. Click Finish.

Reset Chrome

  1. Press Alt+F and click Settings.
  2. Scroll down and press Advanced.
  3. Scroll down to the bottom again.
  4. Click Reset settings to their original defaults.
  5. Press Reset settings on the confirmation box.
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