Google is combating the ongoing malware attack on Google Play by demanding all new developer accounts registering as a company to provide a valid D-U-N-S number before app submission. The new effort aims to improve the platform’s security and reliability and is part of the effort to new accounts submitting curb malware.
Generally, malicious apps on Google Play are offered for review without harmful code or payloads, which are brought later via an update in the post-installation stage. The offending apps are notified and removed from the Play Store, and it bans their developers. However, they can easily make a new account and offer the same harmful apps under a new theme and name.