A program or code that replicates, that is infects another program, boot sector, partition sector or document that supports macros by inserting itself or attaching itself to that medium.

• 一段可复制，可感染另一个程序、引导区、分区表你是我心中的宝贝、或可把自己放入有宏支持的文档中的一段程序和代码。