Q. How To Remove Automatic Internet Dialer Software?
A. Your PC might have downloaded dialers through internet which will dial IDD numbers
    through your modem and the phone line, if you have IDD facility on your phone line.
    Be careful when you browse internet. There are web sites on the internet which may plant
    these unauthorized pieces of software in your PC.These software may run automatically
    when your computer restarts and dial IDD numbers.