This won't give you a single-file download, but it looks like copying the files in c:\program files\mcafee\epolicy orchestrator\db\software\current\virusscan8700\install\0000 and running setupvse.exe might work.
Moved to ePO community....
You should be able to download an installer package from the McAfee website when you log in with your Grant number.
For example I would log in here:
and it would list what I am able to download.
Hope that helps!