Which seems to suggest it may be a false positive as no other virus software detects the threat.
I have not taken any action but I would like to uninstall the Raptr software (bundled with AMD drivers) so do not want to delete or quarantine the file if it will make it difficult to uninstall Raptr.
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