Hi Neelie,
If you don't feel confident that the program that you used was able to completely clean your system, I can only suggest that you use a few of the Free Malware scanners.
http://www.superantispyware.com/ http://www.malwarebytes.org/ Spybot - Search & Destroy
These are very easy to use and very good at what they do. Download them, update and run a Full scan.