Ok. you can do three things: First uninstall your current AV via the add/remove programs panel. If it hasnt been updated in a year its beyond useful.
Second: get a AV, there are several free versions. Pick one below, download, install,update and run a full system scan.
Third: Download, install update and run Malwarebytes AntiMalware:
Please download Malwarebytes Anti-Malware 220.127.116.115 Final to your desktop.
Double-click mbam-setup-18.104.22.1685.exe and follow the prompts to install the program.
At the end, be sure a checkmark is placed next to the following:
Launch Malwarebytes Anti-Malware
A 14 day trial of the Premium features is pre-selected. You may deselect this if you wish, and it will not diminish the scanning and removal capabilities of the program.
On the Settings tab > Detection and Protection subtab, Detection Options, tick the box 'Scan for rootkits'.
Click on the Scan tab, then click on Scan Now >> . If an update is available, click the Update Now button.
A Threat Scan will begin.
With some infections, you may see this message box.
'Could not load DDA driver'
Click 'Yes' to this message, to allow the driver to load after a restart.
Allow the computer to restart. Continue with the rest of these instructions.
When the scan is complete, click Apply Actions.
Wait for the prompt to restart the computer to appear, then click on Yes.
After the restart once you are back at your desktop, open MBAM once more.
Click on the History tab > Application Logs.
Double click on the scan log which shows the Date and time of the scan just performed.
Click 'Copy to Clipboard'
Paste the contents of the clipboard into your reply here.
We will go from there.