Sorry for the lack of pertinent information.
This is a windows 7 machine. We were suspicious of a virus when looking at the vent log Chrome had shut down due to being left open overnight and accumulated 1.8gigs of memory consumption. We are running AVG Antivirus Business Edition which did not show any viruses or malware. I ran combofix after I discovered the issues, not sure if this was from a previous install of combofix however. I was under the assumption combofix does not install itself, but will look into this further. Thank you both for your prompt replies.