We submitted a report to Avast and they already replied to us saying that the detection was removed. Please, try updating your Avast virus definitions base.
We have sent false positive reports to Avast. As always (pardon my sarcasm here) the allmighty "security experts" and their algorithms are incapable of joining the dots and figure out that it's just an update of an existing product signed with the same digital signature rather than a new virus or trojan :)