WIN:32.Evo-gen [[b]susp[/b]]
susp = suspicious .... not virus yet ;) your VT scan seems to be ongoing ..... the VT scan just stay there spinning? you may try again ...or try www.metascan-online.com / www.jotti.org

You can upload files and report issues to avast here : http://www.avast.com/contact-form.php (select subject according to Your case)

You can use mail
send to virus@avast.com in a password protected zip file
mail subject: False Positive / undetected sample (select subject according to your case)
zip password: infected

or you can send files from avast chest
how to use the chest. http://www.avast.com/faq.php?article=AVKB21