Free Anti-Virus/Malware Software
This is a list of windows utilities that can be used to clean some of the nastiest PC infections. Links are provided for reference only. Use at your own risk.
Malware Removal Software
Malwarebytes – This is a great program. Download the free version and scan every couple of weeks or so. Remove everything it finds. The paid version works wonders and will keep you from repeated trips to the virus removal Dr.
Advanced Users
ComboFix – This is an aggressive application and should be used with caution. It targets some of the hardest to remove infections. You should still scan with malwarebytes after running combofix. Although I have not had any problems with combofix, the way it removes infections could leave a computer unable to boot. At which point you would need to contact someone who knows how to recover from such a mishap. Unfortunately most tech’s don’t know how and will tell you that you need to reinstall windows. Read the User Guide for more info.
Hijackthis – Only use this if you know what you are doing. It’s great for tuning up the PC. You can removing startup items and browser helper objects with this utility. You can also break things so be careful.
Antivirus Software
Avast Home Edition – Simple easy to use antivirus software. Must register every year. No issues running along side the paid version of Malwarebytes.