Removal Guide

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Category: Browser Hijackers is a browser hijacker that does not bother to inform you about the oncoming changes to your browser settings during the installation. It modifies your default homepage and search engine to a customized version of Yahoo! Search homepage. There is nothing original and reliable about so you should not trust it. You have to uninstall from your computer as soon as possible because the longer this browser hijacker remains on your computer, the most collateral damage it might cause. While you are at it, run a full system scan with SpyHunter free scanner in search for other threats.

The reason we mention here additional unwanted applications is because most probably travels bundled with freeware. It means that if you install this application onto your computer, chances are that there are more unwanted programs on board as well. Based on our research and the main homepage at, this application is very similar to other programs from SuperWeb adware family (like TowerTilt, Waleisa or Loffinam). It uses a big portion of SuperWeb Apps engine, so we have a ground to believe that is created by the same adware developers as other SuperWeb applications. Therefore, it is only logical to assume that gets distributed bundled with freeware, just like the rest of SuperWeb apps.

When this browser hijacker enters your computer, it does not add any new extension to your browser. The only thing it modifies is your browser settings. It also runs three processes in the background, all of which you can find on Windows Task Manager: appstein.browseradapter.exe, updateappstein.exe and utilAppstein.exe. One of the processes is an update process. It means that connects to the Internet behind your back and it may download or upload information without you even knowing it. It raises particular security concerns you should not ignore.

Browser hijackers and related adware applications are not direct computer security threats, but they can often be exploited by dangerous third parties. The same can be applied to as well. It is more of an annoying nuisance than a genuine computer security threat, but if cybercriminals make use of to promote their malicious content, having on your computer may eventually lead to a serious malware infection.

You have to take any potential risks into consideration and remove from the system immediately. We provide manual removal instructions below this description, but if you have any further questions regarding this hijacker or your computer security in general, do not hesitate to leave us a comment below.

Also, get yourself a powerful antispyware application that will scan your system and safeguard it against other intruders in the future.

How to remove

Windows 8

  1. Slide mouse cursor to the bottom right of the screen.
  2. Click Settings on Charm bar and go to Control panel.
  3. Select Uninstall a program and remove Appstein.

Windows Vista & Windows 7

  1. Open Start menu and go to Control panel.
  2. Click Uninstall a program and remove Appstein.

Windows XP

  1. Click Start menu button and go to Control Panel.
  2. Select Add or remove programs and uninstall Appstein.

How to restore your browser settings to default

Internet Explorer

  1. Press Alt+T and go to Internet options.
  2. Select Advanced tab and click Reset.
  3. Mark Delete personal settings and click Reset.
  4. Press Close.

Google Chrome

  1. Press Alt+F and click Settings.
  2. Scroll down to the bottom and select Show advanced settings.
  3. Scroll down and click Reset browser settings button.
  4. Click Reset on a confirmation box.

Mozilla Firefox

  1. Press Alt+H and click Troubleshooting information.
  2. Click Reset Firefox at the top right of a new tab.
  3. Press Reset Firefox on a confirmation box.
  4. Click Finish.
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*SpyHunter scanner, published on this site, is intended to be used only as a detection tool. To use the removal functionality, you will need to purchase the full version of SpyHunter. Screenshots:


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