You notice that lately your computer has been running slow. when you open up your web browser, you get endless pop-up ads to the point you can't surf the web effectively, and your browser's home page displays an ad every time you open it. now, recently, each time you search, using your search engine, you notice that your results are being manipulated. which of the following categories of malware best represents the behaviors you are experiencing?

Spyware

Explanation:

The reason why you noticed your computer has been running slow is because of spyware, which is considered to be very bad to get on your computer. When a user opens his/her web browser, the user receives ads that are misleading to the user, which fools the user of thinking it's something real and not a scam. Not only that, the user also receives pop-up ads that can, as mentioned, trick the user to think that it's real and not fake. Finally, the user's search results will be manipulated. In conclusion, spyware is, in fact, the main cause of the scenario.

the only way i would see could be an autoclicker type software. but that is very time consuming.