In regards to which applications are good, Malwarebytes anti-malware "mbam" is good, if it is kept up to date and run once n a while.. there are some other anti-malware applications that provide "protection" such as adawareSE or super anti-spyware, or spyware blaster. Then the built in windows firewall, at the minimum, or some other free firewall application. You want to get one that can report outgoing connections, prompt you to either allow, or deny the application permission to send information out on the network.... I have used zone alarm free firewall in the past, with a different OS, but I think; or it is my speculation that, it is lacking in security/privacy, updates may lend to worse privacy/security...

If you want to find what other people are using, I'd suggest searching through google for free firewall reviews from well known tech/help or security related websites. I think some of the comercial companies, that have fee based products, have to put the lotion on their skin, in order for them to be a for profit comercial entity, in this organization//


I'm thinking that you still have some little issues, so I am going to recommend that you follow the instructions for running ComboFix, "when you get the instructions" and then attach the CombFixlog.