If you are continuously seeing a pop-up message on the top of your browser stating: “This version of Chrome is no longer supoorted. Please upgrade to a supported browser“, then your system is attacked by malware. Do not trust these messages and click on “Download Chrome”, this kind of malware is created to get into a user computer and infect it with more malware. Also, it causes browser to open “http://go.oclasrv.com/***” page which in turn redirects a user to some advertising site.
Verifyisreal.com is an advertising domain which is responsible for numerous ads and redirects in your browser. Many shady developers create such programs to generate profit by injecting sponsored advertising. This way, developers get money for each click on an affiliate link.
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.