Win32:TratBHO [Trj]

hi can anyone help me?
avastpicks up Win32:TratBHO [trj] virus and i cant get rid of it.

i have downloaded hijackthis and did the scan thing

can anyone help. im not very computer knowledgeable

Hi, welcome to the forum. In order to be able to help you, you must post the logs. Do not run combofix again, the original log will be found at C:\combofix.txt. Post/attatch that alog with a HJT log please.

Thanks