I extracted Energia v17 three times and all three times Norton quarantined then removed the three mentioned files. I eventually had Norton un-quarantine the three files and chose the option to exclude these three files from future detection. Norton put the files right back to where they were originally. Don't know if this is the best thing to do. I've had no issues running Energia but don't know if I opened the door for virus issues by tweeking Norton.
Note: A Norton scan of the Energia zip file and a Norton scan of the the extracted directories turned up nothing., Both scans said there we