by the way, u just need one anti-virus, should be fine. download MBAM as well, it's a very good programme.
try using hijackthis to get rid of:
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O4 - HKLM\..\Run: [RtHDVCpl] RtHDVCpl.exe
O4 - HKCU\..\Run: [regs glue] "C:\ProgramData\planfourfour.dzr3j5x" <<-------------- looks dodgy
O4 - HKCU\..\Run: [Sixth exit vga dash] "C:\ProgramData\ref sign pure.4al66n" <<----------- looks dodgy