Download Malwarebytes , and CCleaner program to your desk, if you cant get online download the programs to a flash drive from another computer.

Reboot in safe mode. Run malwarebytes. While that’s running you can run ccleaner. After running all programs reboot in normal mode and run malwarebytes again. This should get rid most if not all viruses, enough to continue to run another programs to remove or resolve any other issues cause by the viruses.