The Shanghai Computer Virus Prevention Service Center issued a warning November 30 that the "Online Bank Robber 221184" (Wｉｎ32．Ｔｒｏｊ．Ａｕｔｏｒｕｎ．ｔｉ221184) virus, which is specially made to steal online bank account information, has appeared on the Internet. Once infected, key information such as the account and password of an online bank could fall into the hands of hackers. Users need to be more careful to prevent loss.