Try the following:
AVG is not known for cooperating with other anti-malware software, so let's go at it in Safe Mode.
Please re-start your computer.
Tap the F8 key before Windows starts, to bring up the Windows Advanced Options menu
Use the arrow keys to select: ' Safe Mode with Networking'
Download iExplore.exe, which is a renamed copy of RKill:
[If the file does not download, paste the following, >without the brackets<, in the address bar of your browser:
Save the file to the Desktop
Right-click and select: Run as Administrator
Ignore any messages, and allow the file to run until the command window closes.
If you have problems running RKill, download any of the other renamed versions of RKill from its download page.
Without a reboot, download Malwarebytes’ Anti-Malware (black button with green and white icon) :
Save to the Desktop
Right-click mbam-setup.exe and select: Run as Administrator
Follow the prompts to install the program.
Run Malwarfebytes’ AntiMalware and update the program.
Once updated, select Perform Full Scan and click the 'Scan' button.
When the scan finishes, click OK in the message box, and you will see the results of the scan.
Click the 'Remove Selected' button to get rid of the malware.
When Malwarebytes finishes, you may be prompted to reboot. If so, reboot.
>>Please post the >Malwarebytes log< in your reply.<<
Retired - Doin' Dis, Dat, and slapping malware.