20 13 online banking thief is a hacker gang. According to relevant information, in the early morning of September 13, the security team of Tencent Computer Butler intercepted the latest variant of the online banking thief "Bi" and launched a defensive killing. He Bin from Hengyang, Hunan, He Ke and Yu Gang from Ningbo, Zhejiang, were the authors of the "online banking thieves", who were arrested on May 17.