Where's My Droid and Speed Night were cited as the most downloaded malicious apps.
Analysis finds that Google Play still battles apps bearing malware, but the estimates vary with the research.
The exploit is embedded into documents distributed as email attachments, researchers from Kaspersky Lab said.
Other cryptographers were also targeted by the same attackers, the researcher said
Zeus is encrypted and contained in an ".enc" file, which security products allow through, according to Malcovery Security.
Aleksandr Panin, arrested last year, was the primary developer of the banking fraud malware, says the U.S. Department of Justice.
Cybercrooks are again exploiting Java's cross-platform design to install and spread bots.
Duck now: We're already knee-deep in data breaches, and this year also brings the imminent demise of Windows XP support and the certain rise of mobile malware.
The attorney general told the Senate Judiciary Committee that his agency is investigating who's behind the data breach that compromised as many as 110 million cards and personal records.
The retailer's CIO says that the company exceeded security recommendations for handling card data.