Try Hitman Pro Trial Version:
http://www.surfright.nl/en/hitmanpro
This program may be run from a flash drive if needed.
superantispyware be sure and update before scanning- if it starts without updating stop and update
http://www.sophos.com/en-us/products/free-tools/sophos-anti-rootkit.aspx
post the logs
should lower the noise
do not run combofix or others without without a helper