Dear user, congratulations! – is a malicious application, that will forcibly display fake messages about some kind of prize. In this particular case it is an iPhone X. Cyber crooks are offering a user to take a new phone for free in exchange for completing simple survey. What they are actually trying to do is to infect victim’s computer with more malware to generate profit on ads. Most annoying thing about this scam – it would not stop until the source of it is deleted. You may use this guide in order to remove Dear user, congratulations! Pop-up Scam.