does the nokia lumia 520 need to be scanned for viruses

[WPCentral Question]

i had a warning from "global.mstrckoba.com" on my nokia lumia 520 phone to scan my phone for viruses. is it safe

 

[xandros9]

i had a warning from "global.mstrckoba.com" on my nokia lumia 520 phone to scan my phone for viruses. is it safe

perfectly safe, that alert is no more than a scary sign put up by the site.