Monkey，即猴子病毒传播硬盘和软盘的引导区，总长度为 01F4H（500字节），它将原引导记录加密后保存，在系统读出时先解密再送出，结果造成病毒不在内存中时，系统无法得到正常的引导记录，以至对所有硬盘分区无法访问。只有当从有病毒的盘启动时，才能正常访问硬盘。-Monkey, the monkey transmission of the virus hard disk and floppy disk boot sector with a total length of 01F4H (500 bytes), it will save the original boot record encrypted in the system when you read the first decrypted and then sent the result that the virus is not in memory, The system can not get the normal boot record, as well as all hard disk partitions inaccessible. Only when the virus from the startup disk to properly access the hard disk.