According to a recent report from Kaspersky Lab entitled "IT Threat Evolution Q1 2014," the company had logged 1,321 unique executables for mobile banking Trojans at the start of 2014 -- but by the end of the first quarter of 2014, that number had jumped to 2,503.
During the same time period, the number of mobile malware samples in Kaspersky's collection grew from 189,626 on January 1, 2014 to 299,950 on March 31, 2014. Fully 99 percent of that malware targeted Android devices.
The report also states that, among online banking attacks logged on unique users in Q1 2014, 56 percent were banking Trojans, 24 percent were downloaders of Bitcoin mining software, 14 percent were Bitcoin wallet stealers, and 6 percent were keyloggers.
The five countries where users face the greatest risk of online infection, according to the report, are Vietnam, Russia, Kazakhstan, Armenia and Mongolia. The five safest countries are Singapore, Japan, Sweden, South Africa and Taiwan.https://o1.qnsr.com/log/p.gif?;n=203;c=204660766;s=9477;x=7936;f=201812281312070;u=j;z=TIMESTAMP;a=20392931;e=i
The full report can be downloaded here [PDF].