A fake WhatsApp application was downloaded more than 1 million times from Google’s Play Store before it was finally removed, and that should serve as a wake-up call that Google needs to do a better job vetting its submissions. In this case, the malicious app slipped through the cracks by spoofing the legitimate version, both in appearance
Source: Hot Hardware – This Fake WhatsApp Has Already Accumulated Over 1 Million Downloads On Google Play