This is happening because Iphone users are unlocking features to use their Iphone with another companies.

This virus was detected first time in Holland and is attacking those Iphones which were unlock and disabled some security features that were installed in the device. This malicious virus is called Duh Worm.

When Iphone users were trying to access to any banking site, Duh Worm direct the explorer (safari) to a similar place but this place is controlled by hackers with bad intention.