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Danger level 3
Type: Potentially Unwanted Application


Google Chrome users can download an extension called Mountains, but that does not mean that they should. This extension promises to present a “beautiful mountain picture” on the New Tab page when you install it to make your experience “unique,” as well as provide you with “super fast access to any information” via the search tool it introduces. Does any of this sound appealing to you? Maybe it does, but we have to warn you that this extension is a PUP (potentially unwanted program), and there are a few solid reasons why you should delete it from your Chrome browser. If you know this already, perhaps you want to scroll down to the last section of this report, in which we discuss different Mountains removal options. However, if you are not yet sure how this PUP works, or why you should be cautious about it, we strongly recommend that you continue reading to learn more about it.

If you have downloaded Mountains, it is very likely that you used the installer presented via the Chrome Web Store, at chrome.google.com/webstore/detail/mountains/fmljjkjpkollijnnnlbeffphgeiddljp. At the time of research, 4,000+ users had downloaded this PUP, but it had a one-star rating, and the only review that was left identified the suspicious extension as a “virus.” That says a lot. Unfortunately, some Chrome users might feel forced to download the extension. According to our researchers, if a Chrome user is redirected to mountainsext.store/l/andy/?cid=09393oj5mh9nt3y010#, they can be tricked into thinking that their “computer is overloaded” and that they need to free up memory. Clicking anywhere on this page activates redirecting to the installer on the Chrome Web Store. So, did you install the PUP because you felt forced or tricked into doing that? If that is the case, we are sure that you want to delete Mountains as soon as possible. Even if you downloaded this PUP willingly, you should get rid of it ASAP.

First of all, there is no legal information about Mountains. Whether you install this PUP from the Chrome Web Store or a third-party source, no links to privacy policies, terms of use, and other important documents are provided. That means that you cannot review how this extension works. This makes it incredibly unpredictable and unreliable. Second, when you install the PUP, it automatically changes the New Tab page and also the default search provider. Mountainsext.store/search?q= is set as the provider, and the same search tool is represented via the New Tab page also. If you interact with the tool, you are redirected to Google Search, and even though the results are not modified, you do not know how the PUP tracks your activity, what data it records, or if any information is passed on to any other parties. At the end of the day, the search service is not useful, and if you want to use Google Search, we recommend that you set that as your default search provider. Any reputable, trustworthy, and transparent search tool trumps against Mountains.

Since Mountains does not offer useful services, and trusting it is impossible, we recommend that you delete this potentially unwanted program from the browser as soon as possible. Is that difficult to do? Not at all. The instructions below show where to find the unwanted extension and also how to remove it. The additional steps show how to clear browsing data, which is something that we recommend doing to ensure that you do not need to deal with any leftover browsing components associated with the PUP. Of course, if the extension was downloaded using a bundled downloader, we recommend that you scan your system first. Perhaps there are other threats that you need to get rid of, and perhaps it is best to employ a legitimate anti-malware tool to delete Mountains and other threats automatically? We strongly recommend implementing this tool if you are dealing with other threats and if you need help protecting your system in the future. If you ensure full-time protection and pick what extensions to install more carefully, we are sure that you will be able to evade PUPs.

Mountains Removal

  1. Open Google Chrome and tap Alt+F keys on the keyboard together.
  2. In the Chrome menu that appears at the top, click More tools.
  3. Click Extensions to open the list of all extensions that are installed.
  4. Click the Remove button pinned to the undesirable extension.
  5. Tap Ctrl+Shift+Delete keys on the keyboard together.
  6. In the Clear browsing data menu that pops up, click Advanced.
  7. Select a time range, choose the boxes you want, and then click Clear data.
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