Most likely this is a false positive ???, but I think you should know.
(Not a complaint, but hops to help you out with your excellent software)
AntiVirus Report: using AntiVirus sofware free Version 5. Unregistered trial ( www.avast.com )
HIGH warning
IdleBackup_Del_AutoStart.exe Win32:Malware-gen
IdleBackup Version 1.8b (Freeware) ( www.idlebackup.nl )
Virus Notice: IdleBackup_Del_AutoStart.exe
http://www.acomputerportal.com/reports/Avast%20virus%20report%20idle%20backup.jpg