Seems this hidden driver is a part of Process Explorer 10 which is now positively ancient, latest version of process explorer is v14.12.

http://blogs.technet.com/b/markrussinovich/archive/2006/03/27/the-case-of-the-mysterious-driver.aspx

Though why it should be running is beyond me, do you have this on your system and is it run on boot (normally this would be a stand alone application) ?

http://technet.microsoft.com/en-us/sysinternals/bb896653