Hi,
have you paused avst shield before using the Onlinescanners ?
also read “VirusRemoval” below and scan the file online with KAV and RAV
What WIN do you have ? Are all ServicePacks and Windowsupdates applied ? Please CHECK !!
Where exactly was the infected File found (full path/folder/filename, e.g. like c:\Windows\system32\virusfile.exe) ?