Maybe try this if he can.You get a 30 day free trial and it will remove anything that it finds.
- Turn off computer ,then turn on and start tapping F8
- When the Advanced startup options appear Select Safe mode With Networking
- Open internet explorer goto google.com ,download Hitman pro "32-bit or 64-bit depending on your Os"
- Run Hitman pro ,let this scan the computer
- Activate Free Licence
- Reboot Pc
Or if he uses I/E go to internet options.Advanced.connections.Lan settings.And if Proxy Server is ticked untick it then update and run all his security programs.