A malicious app posing as legitimate banking software has infected the Android devices of thousands of South Koreans in the past week, stealing sensitive information that can be used to access bank accounts. According to Cheetah Mobile, customers from the following banks are targeted: Nong Hyup, Shinhan, Kookmin, Woori, Hana, Busan and the Korean Federation of Community Credit Cooperatives. Once the virus reaches the Android device, it automatically starts scanning for an official online ban…