中了Pandrv.sys病毒,杀了重启后又有了,怎么办?

每次开机瑞星都提示有c::Documents and Settings/Local Settings/temp/Pandrv.sys病毒,杀了重启后又有

用户系统信息:Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.648)