Therefore, with a browser hijacker installed, each search made via the URL bar and new browser tab/window opened, redirects to the promoted address.įake search engines are rarely able to provide search results, and so they redirect to (or cause redirection chains ending with) Google, Yahoo, Bing and other legitimate sites. PUAs).īrowser hijackers operate by assigning the addresses of bogus search engines as the homepage, default search engine and new tab/window URLs. As well as diminishing the browsing experience, once clicked, intrusive ads redirect to untrusted/malicious sites and some can even stealthily download/install rogue software (e.g. These overlay web page content and restrict browsing speed.
Note that bogus software updaters/installers proliferate PUAs, Trojans, ransomware and other malware.Īdware delivers pop-ups, banners, surveys, full-page and other intrusive ads. One of the dubious methods used to proliferate UltraSearchSystem is via fake Adobe Flash Player updates. Since most users download/install UltraSearchSystem unintentionally, it is classified as a Potentially Unwanted Application (PUA). Most adware-type apps and browser hijackers have data tracking capabilities, which are employed to gather browsing-related information. Following successful infiltration, UltraSearchSystem runs intrusive advertisement campaigns and makes changes to browser settings to promote bogus search engines. UltraSearchSystem is dubious software categorized as adware with browser hijacker characteristics.
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