WebCouponSearch

Threat Scorecard

Threat Level: 50 % (Medium)
Infected Computers: 123
First Seen: January 25, 2019
Last Seen: June 1, 2023
OS(es) Affected: Windows

WebCouponSearch is a dubious application, classified as a browser hijacker. Applications of this type are equipped with intrusive capabilities that allow them to take control over users' Web browsers. The goal is to then modify the settings of the affected browser, mainly the homepage, new tab page, and the default search engine, to generate artificial traffic towards a promoted address.

In the case of WebCouponSearch, the promoted page is webcouponsearch.com, a fake search engine. Fake engines do not possess the necessary functionality to deliver any search results on their own. Instead, the user's search queries will be redirected to other search engines. These may include legitimate ones, such as Yahoo or dubious engines capable of delivering low-quality results, typically filled with sponsored advertisements.

It should be noted that WebCouponSearch, and browser hijackers in general, are rarely downloaded and installed by users intentionally. These PUPs (Potentially Unwanted Programs) rely on various underhanded distribution techniques that mask their installation from the user's attention. The most common method is known as bundling.

It involves wrapping the intruder application inside the installation settings of a far more legitimate and desirable software product. If users do not specifically check the 'Custom' or 'Advanced' settings, they may not realize that an additional application will be delivered to their computers or devices.

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