Wouldn't hurt to run the best trojan scanner available then..
Download TDS-3 trojan scanner from
http://tds.diamondcs.com.au/index.php?page=download
Then you will need to manually update it so follow the instructions given here
http://tds.diamondcs.com.au/index.php?page=update
Now open the program, pasue until its finished its mini test then click system testing / full scan
If anything is found, right click and select delete to each when the scan completes itself.