how to test AV have been debated among all the AV vendors for years… so it is not only kaspersky that comes with critic on how these tests are being done i am not saying that one is better then the other, but there are more then one way to look at this
from Trend micro. http://blog.trendmicro.com/trendlabs-security-intelligence/on-av-testing-some-steps-in-the-right-direction/
symantec http://community.norton.com/t5/Norton-Protection-Blog/Testing-and-Accountability/ba-p/247711 http://community.norton.com/t5/Norton-Protection-Blog/Beyond-the-Headlines-Don-t-be-fooled-by-misleading-security/ba-p/943843
sophos http://nakedsecurity.sophos.com/2013/04/30/how-to-rate-comparative-anti-virus-test/
and you find more if you google…