Thanks for reporting this.
Please upload the file to
www.virustotal.org and post the URL of the scan report back here.
(It's a multi-online scanner..should take ~3min to scan it.)
As nmb asks, please email either from the chest, or to virus@avast.com If you choose the second method, zip the file and password protect it, include the passwrd in the body of the email, and perhaps the URL of this thread, much appreciated.