You can upload any file (Max 10Mb) to Virus Total for scanning and you will get scanning result online. It uses world’s most leading antivirus engines like Norton, Kaspersky, NOD, Panda, AVG, McAfee, Avira, etc for scaning. So the result will be more accurate.
Virus Total uploader is a freeware tool that enables you to directly send files from your computer using the context menu. Just right click on any file and click Send to VirusTotal from the context menu.
The results will be shown on your browser after scanning the file. I think it is little easy than their online uploader. You can download VirusTotal uploader from here.