"It's the second iPhone worm ever and the first that's clearly malicious - there's a clear financial motive behind it," F-Secure research director Mikko Hypponen told the BBC.
"It's fairly isolated and specific to Netherlands but it is capable of spreading."
The worm again attacks iPhones which have been "jail-broken" and have SSH (secure shell), a file-transfer program that enables users to remotely connect to their phones, installed.
I wonder how long it will be before we see Microsoft adds poking fun at iPhone's security? "I'm a Windows Mobile, and I'm a iPhone OS"