If there are that many instances of it open then it sounds like it's being used by something. I would run RKill first, just to kill any rootkit process that may be starting up when you turn your computer on. Here are some DL links for the Rkill....LINK 1LINK 2LINK 3LINK 4
Save it to your desktop and then double click to launch it (With Vista you need to right click and select run as administrator). You should see a little black window open and then close. If you see that box then it worked. If you don't see the black box then delete the file and use another download link and repeat the steps.
After this, install, update and then run Malwarebytes
. Remove what it finds and then install, update and run SUPERANtiSpyware
. Remove what it finds as well.