I've been spybot search and destroy, malwarebyte anti-malware, and avg.
I haven't had any issues and my lappy runs fine and you KNOW I visit some very blue sites.
That was exactly what I used on my pc before I gave up on it. Don't get me wrong, not saying they didn't work, it's just my pc was in a bad way before I got it.
Turns out his friend is gonna set him up with a security suite from I think he said eset or something along those lines. He swears by it, so whatever, let them have at it.