Pondus
2
But none of the antiviruses have been able to detect it
you mean you have installed more then one?
follow this guide and attach the requested logs. http://forum.avast.com/index.php?topic=53253.0
1. AdwcCleaner
2. Malwarebytes
3. OTL
4. aswMBR
when done the removal experts will be notified and help you