Kaspersky Internet Security, Kaspersky Antivirus ... Very Well: Fast, not "Eat" much Memory ...
But most users haven't got Key or something like that to make KIS, KAV -> Full.
This TUTorial guide you How to get and KIS, KAV not Blacklist ...
(In this TUTorial, example with KIS, KAV can do similar as KIS)
Step1: Download Newest version of KIS And Download Patch file: PATCH KIS_KAV
http://kasperskyusa.com/trials/kis188.8.131.525en.exeStep2: Install KIS as normal, update its Data after finish setup.
Step3: Click to Settings > Services > Uncheck "Enable Self-denfense" > Apply > Exit KIS.
Step4: Unplug your Network Cable (Or Click to Control Panel > Network Connections > Right click to "Local Area Connection 2" > Disable).
Step5: Run PATCH_KIS_KAS > Click to button "Key remover" > Click to button "Patch KIS (or KAV)" > Click to button "Clean" > Click to button "KEY KAV KIS": Extract to a folder. E.x: D:\KeyKIS
Step6: Open KIS > Activation > Install Key > Apply existing license key > Next > Browse to the Folder contain Key files (D:\KeyKIS)
OK ! Final, Do Step3 with Check "Enable Self-defense"