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Danger level 7
Type: Adware
Common infection symptoms:
  • Annoying Pop-up's
  • Shows commercial adverts
  • Connects to the internet without permission


Preispilot is an Austrian “gem” of an adware program developed by Adspired Technologies GmbH. As the company name suggests, they must be focusing on creating ad-supported programs. This adware claims to be a “price pilot,” i.e., a browser extension that helps you shop products for the best available price. Unfortunately, we have found that this application tends to display third-party ads that may be unreliable. Although this extension is supposed to show coupon type ads only on shopping sites, such as Amazon and eBay, it is possible that it influences other, legitimate third-party ads on different sites. This way you will not be safe while you are online because you could click on a totally legitimate-looking ad and still end up on a malicious website. It is also likely that this malware sneaked onto your computer in a freeware bundle, which further worsens your virtual security situation. Therefore, we suggest that you remove Preispilot and check your system for other potential threats.

Although this browser extension has an official webpage at preispilot.com where you can install it directly to your browser, we do not believe that this is an efficient enough way for it to spread on the web. As a matter of fact, we have found this infection in bundles together with other malware programs. Most users do not recall downloading or installing such software packages and that is why they think that their computer got attacked by some “mysterious” infections. The truth is that most of the time it is the user who initiates the download. Let us tell you how.

When you are looking for a new free tool or application, you can easily end up on one of those questionable freeware sites. If you are not experienced enough, you may think that you are lucky to find your target tool for free and you can even download it from that site. However, when you want to click on the download button, you may realize that there are at least 4 to 5 buttons and links on the page that offer you download. If it is an unfamiliar website, you can easily click on the wrong button or link, which may be a misleading third-party ad instead. You may even click accidentally somewhere on the page where you cannot even see content, yet the malware download could be initiated. It is also possible to encounter pop-up ads on these sites that look like Windows dialogue boxes. No matter what this pop-up is trying to inform you about, if you click on any of the buttons offered by it, you may infect your computer once again. We hope that it is obvious now why you should avoid these websites.

But prevention would not be a cure right now if you have a number of malware applications already on your system. Therefore, after you delete Preispilot, you should scan your system to detect all other infections as well. For this, you can even use a free online scanner. But always make sure that you are about to use a reliable one. Unfortunately, the web is swarming with unreliable and potentially harmful tools. A wrong choice could further infect your system. And that is definitely what you want to do.

Although this application claims to offer you best price deals on shopping sites, it may also present to you unsafe third-party ads. These affiliates are never really reviewed, which means that even criminals can show ads through this tool. Clicking on a corrupt ad could take you to unreliable websites operated by criminals. It is important that you remove Preispilot if you do not want to land on malicious websites where you might get scammed.

Unfortunately, you cannot eliminate this malware infection with the click of a button because its uninstaller does not clear up all the mess. Still, you need to start with running that uninstaller in Control Panel. This will only remove the extension from Internet Explorer, so you will need to manually take care of the extensions in Google Chrome and Mozilla Firefox. If you need proper protection against malware threats, we advise you to find and install a trustworthy antimalware program. Keep this security tool updated for total protection from all existing and known malware infections.

How to remove Preispilot from Windows

Windows 8, Windows 8.1, and Windows 10

  1. Press Win+X and open Programs and Features.
  2. Click on the application and click Uninstall.

Windows Vista and Windows 7

  1. Press the Windows button on the Taskbar and choose Control Panel.
  2. Select Uninstall a program.
  3. Click on the application and press Uninstall.

Windows XP

  1. Click Start and open Control Panel.
  2. Click Add or Remove Programs.
  3. Click on the application and press Remove.

How to remove Preispilot from browsers

Google Chrome

  1. Tap Alt+F and choose Settings.
  2. Select Extensions on the left.
  3. Click on the unwanted extension and click on the trash can.
  4. Click Remove.

Mozilla Firefox

  1. Press Alt+T and go to Add-ons.
  2. Select Extensions on the left.
  3. Click on the unwanted extension and press Remove.
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