Hello
If only avast! detected it when you uploaded it to VirusTotal, please send the file in password protected archive to
virus@avast.com and as a mail subject write "False Positive"
Meanwhile you can add the file to the exclision list of the standart shield ,
Standard Shield -> Customize -> Advanced -> Exclusions Also add it to the main program exclusion list (for the on-demand scanner)
avast! Program Settings -> Exclusion List -> Add