Ad showing up on google chrome browser randomly…

Randomly a new tab advertisement appears on my google chrome browser. Some I get for example are trackrc[dot]com… How do I get rid of this spyware/malware.. I tried using several antispyware/malware programs.. such as spydoctor, Anti-Spyware, Spybot Search and Destroy, kaspersky, avg, and eset, but this browser ad wont go away.. How do I get rid of it?
Answer #1
Clean install of your os or maybe kav10 may workhttps://support.kaspersky.com/viruses/rescuedisk