As of at least 2012-04-12, McAfee, and McAfee-GW-Edition are falsely flagging DownloadAdmin (e.g. thetreasureofmontezuma2extentpowered-setup.exe) as Artemis!1B5E5091FD2E. DownloadAdmin is a TRUSTe Trusted Download - http://www.downloadadmin.com.
Below are screenshots from the DownloadAdmin sample in question:
(Please note that all sponsor products are completely optional, requiring the user to explicitly opt-in by choosing the "ACCEPT" button for each product.)