If you think you may have a virus or malware infection on your computer you should consider MRT.
MRT is the Microsoft Malicious Software Removal Tool which many actually do not know is on their computer and comes with Windows and is updated monthly by Microsoft when your Windows updates are run.
This tool is designed to remove malware and virus infections from your computer and in a lot of cases does a great job or will alert you to potential issues ( if you have a lot ).
So how do you run it.
Go to the Windows button on your keyboard and press it then R , then enter MRT , then press ok and follow the screen shots below.
The Malicious Software Removal Tool is not a replacement for your antivirus but gives a good second opinion but remember it is your actions that count when and if you get infected by malware or virus infections.