malicious url help out this newbie

So after i downloaded avast, i keep gettting an message thats says “mailicious url blocked”. Infection Details
URL: htp://colexity777.com/x/
Process: C:\WINDOWS\System32\svchost.exe
Infection: URL:Mal

The url changes between the three of them. Meaning, there are like three different urls. Pleasehelp me out thanks!!!

Do not post twice the same. Just double the help effort.