This apparently went in with the last patch, and is what the new "Logs" folder is for:
Verant tried this back in the old EQ days and they were ordered to stop the scans and an apology was issued to players. Now, SOE games only check the files in the game directory.
D. In order to assist Blizzard Entertainment to police users who may use "hacks," or "cheats" to gain an advantage over other players, you acknowledge that Blizzard Entertainment shall have the right to obtain certain information from your computer and its component parts, including your computer's random access memory, video card, central processing unit, and storage devices. This information will only be used for the purpose of identifying "cheaters," and for no other reason.
Verant tried this back in the old EQ days and they were ordered to stop the scans and an apology was issued to players. Now, SOE games only check the files in the game directory.