That is because it uses the bundling distribution method.
You may be wondering how the hijacker gets distributed, because you may not remember how it got access to your PC. We advise that you terminate without further delay. The hijacker disrupts your Internet surfing and exposes you to unsafe content.
There is nothing useful about it to you as computer user. It makes profit by employing the pay-per-click system. The hijacker is aimed at boosting online traffic, which is why it will also flood you with ads, cause redirects, track your cookies, and more.
Although that is its main symptom, it causes other unwanted modifications as well. falls into the category of browser hijackers, because it can alter your settings without your notice.