一个利用windows弱密码进行传播的蠕虫，使用dos编写，有隐蔽传播，开机自运行等一般病毒具有的特性，仅用于学习用途：）-windows using a weak password worm spreads, the use of dos preparation, a covert dissemination startup operation since the general characteristics of the virus is only for learning purpose