need help from programmer or smart computer guy, cyrix and others who know stuff

[Zezima]

hell, if he has wifi, it might not even be his pc. I bet that nerd across the hall has a whole rack set up through his dsl 
in all sincerity though, I would google how to remove that sort of infection http://lmgtfy.com/?q=netbios_reflected_ddos

actually scanned my computer with some online scanner that they recomended with sending me the email, it found no bullshit on my computer, what should i do next?