Following virus is reported by Avast, but is unable to kill: Win32:BHO-KD [trj] ???
Hi Avast is not the only one neither can Kaspersky symantec et al
Download ComboFix from Here or Here to your Desktop.
[*]Double click combofix.exe and follow the prompts.
[*]When finished, it shall produce a log for you. Post that log and a HiJackthis log in your next reply
Note: Do not mouseclick combofix’s window while its running. That may cause it to stall