AdFection: apps that showed the ads, and the phone-number trick
Citizen Lab's AdFection report names the apps that showed spyware-linked ads and lists where users and servers connected from, India and Singapore included.
AdFection
National CERT warns phones can be hacked through ads,
Pakistan's National CERT has issued an advisory on 'AdFection', a technique that can push spyware to phones through ads with no click needed.