Thank you for the compliments but I would defer to the experts to answer you rather than myself. I am only a volunteer moderator here.
Artemis is the Active Protection component of VirusScan and if something unknown is detected VirusScan labels it as Artemis.
If you think it is wrong (i.e. a legitimate application) then follow the guidelines I laid out HERE.
As far as the technical side of it I think the McAfee staff are better answering you on this.
Sorry but I don't have time to read such a huge amount of text thoroughly but hope that helps.
Please send us a sample for analysis to Virus_Research@McAfee.com, in a password-protected ZIP file (password - infected).
You can find detailed instructions for how to do this at <http://vil.mcafeesecurity.com/vil/submit-sample.aspx>
If you have a system where you can do a test scan, you may first wish to try our beta DailyDATs to get the latest detection available. You can find this on our web-site at:
Please include a description of the symptoms your system is experiencing, and any pertinent information about what AV Products you are using including company, version number (engine/dat numbers for McAfee Products) and results of the scan.