Scammers are targeting WhatsApp users across the world by circulating fake messages inviting users to activate the new ‘that infects their smartphones with malicious apps’ The popular messaging app has begun rolling out its much-awaited Free Voice Calling feature to Android users. For now, the free WhatsApp calling feature is invite-only and only appears to work for people running the latest version of WhatsApp app for Android on aphone running the. latest Android 5.0.1 Lollipop. Users are asked to take a survey on behalf of WhatsApp and download unknown applications and software that might contain malware.
Source: https://thehackernews.com/2015/03/whatsapp-calling-feature-invite.html