fileaudit.edm
filecurr.edm
system.bak
I have no idea what those are so it is impossible to advise you.
some information:
http://www.google.com/search?hl=en&q...earch&aq=f&oq=
http://www.google.com/search?hl=en&q...le&btnG=Search
Here are free scanners to use when you are not sure about a file.
http://virusscan.jotti.org/
http://www.kaspersky.com/scanforvirus
http://www.virustotal.com/