cannot end dumprep.exe in tast manager.

what is happening that i cant end it. i know that it starts up when a program is unresponsive and you choose to end it. but i am also able to end the process at the time. however. since i started my computer there has been no unresponsive programs at all. i did get a avast alert message when i visited a site that was hacked (which i did not know at the time) its was an html:iframe and after that message popped up. dumprep.exe started and will not shut down