Theft of passwords or money. Popup windows may pretend to be notifications from social networks, program updates, or messages from antivirus programs about malicious files. If you tap them, you might give your passwords to attackers or lose money.
Fee-based services. Banner ads may contain deceptive messages (for example, about prize winnings, weight loss, predictions, and so on). Taping on them can lead to money being deducted from your mobile phone account.
Shock. Banners might contain pornographic images, animations of unpleasant events, disasters, physical trauma, illnesses, intimate body parts, etc.
Fraud. Banners that promise large pay-outs without indicating for what may lead you to the sites of hackers or financial pyramid schemes.
Obtrusiveness. When you open a new page and tap any area or interface element, a new window may appear advertising something unrelated to the site contents. Some pop-ups open additional advertising windows when you close them.
Antishock is activated by default. To turn off Antishock:
Tap (if you don't see the icon, press the menu button on your smartphone).