If you are seeing a lot of various pop-up ads and redirects to “https://utroro.com/?h=578072011_5aa678f47d2_100&h_l=&h_5=sub_id_2&h_2=def_sub” page, well, most probably a malware penetrated your PC. It often comes along with dubious freeware programs in form of an additional app. The sole purpose of this malware is to generate advertising revenue by injecting third-party ads in your browser as well as causing redirects to affiliate sites.
If you are experiencing a lot of pop-up ads with Promextff.cool/ label in the browser then your system is infected with PUP. Most probably, it entered into the system when you were installing some free program downloaded from the Web and didn’t opt out of extra apps offered by download client. This is the most common method of malware distribution.
You click on a link or go to a site from the address bar and get redirected to https://valusc.com/?h=578072011_5aa678f47d2_100&h_l=&h_5=sub_id_2&h_2=def_sub instead. This browser behavior is caused by an adware program that got installed on your computer. An adware often crawls into the system along with freeware that you may have downloaded from the Internet.
If www.coshoope11.club periodically opens in your browser stating that your computer has been blocked, then you have adware installed. In this way, it aims to force users to pay money for useless services. This is done via fake technical support which the user is invited to contact to solve the problem.
If you are getting constant redirects to https://yts.gg/ page while browsing then your system is infected with adware. It is usually caused through the fault of the user himself whether that is knowingly or not. This type of malware is installed together with freeware when the user forgets unchecking optional programs like Yts.gg.