Bat/Autorun-BJ is a worm for the Windows platform.
Bat/Autorun-BJ attempts to copy itself to removable drives and creates an autorun.inf file in those drives in order to execute when they are inserted into a computer running the Windows operating system.
Running Bat/Autorun-BJ will cause Windows to shutdown after 30 seconds.
Bat/Autorun-BJ will set Internet Explorer's start page to http://bbs.kafan.cn by modifying the following registry entries:
HKCU\Software\Microsoft\Internet Explorer\Main\Start Page
HKCU\Software\Microsoft\Internet Explorer\Main\Default_Page_URL