Also i may add that kaspersky in fact has a higher userbase.
http://en.wikipedia.org/wiki/Kaspersky_Lab
http://www.kaspersky.co.uk/about
http://usa.kaspersky.com/about-us/press-center/press-releases/kaspersky-lab-global-survey-shows-third-party-disclosure-data-b

300 million users in fact.