If you receive a phone call on your mobile from any person, saying
that,that they're checking your mobile line, and you have to press # 90 or
#09 or any other number. End this call immediately without pressing any
numbers. There is a fraud company using a device that once you press
#90or #09 they can access your "SIM" card and make calls at your expense.
This information has been confirmed by both Motorola and Nokia. There are
over 3 Million mobile phones being infected by this virus in all around the
world now. You can also check this news in the CNN web site.