If you have a virus on your machine, there is a very real risk you will get kicked off the internet on Monday.

Web-users are being warned to ensure their computers are clear of the nasty 'Alureon/DNS Changer bot'.

This piece of software found its way onto hundreds of thousands of computers worldwide late last year. The software was designed to re-direct you away from trusted websites, towards spoof websites in a bid to steal financial and personal information.