The growth in the creation of new malware continues to grow, and in the second quarter of 2015 PandaLabs saw an average of 230,000 new types each day and a total of 21 million new threats during those three months. PandaLabs is Panda Security’s anti-malware laboratory, and represents the company’s nerve center for malware treatment
The most common malware are Trojans, which account for 71.16% of all the samples spotted during this period. In second place, by a great distance, are the classic viruses, which accounted for 10.83%.
PandaLabs report is available here - http://www.pandasecurity.com/mediacenter/src/uploads/2014/07/Pandalabs-2015-Q2-EN.pdf