Aye. The popular it becomes the more it is likely to be targeted by fraudsters etc, especially as more and more financial transactions are happening online than ever before.
I can imagine though that whilst most of these viruses and exploits are
'genuine', I could hazard a geuss that some of them are planted on purpose
by the very companies that are supposed to protect from it. No viruses and
no business and profit for these companies. But that is pure speculation on my part.