Malware Flashcards
What is a Boot Sector Virus?
A virus that infects the first part of the hard drive and loads before the OS starts.
这种病毒藏在硬盘最开始的启动区域，开机时就先被加载，比系统还早运行。
What is a Macro Virus?
A virus inside a document (like Word or Excel) that runs when you open the file.
它藏在文档（比如 Word/Excel）里，用户一打开文件就自动运行。
What is a Program Virus?
A virus that infects executable programs like .exe files and runs when the program runs.
它感染可执行文件（比如 .exe），当你运行程序时病毒也会被激活。
What is a Multipartite Virus?
A hybrid virus that attacks both the boot sector and program files.
它是“二合一”病毒，同时感染启动区和程序文件，威力更大。
What is an Encrypted Virus?
A virus that hides itself by encrypting its code to avoid detection.
它把自己加密起来，让杀毒软件很难识别它的真实代码。
What is a Polymorphic Virus?
A virus that changes its code slightly every time it runs to evade detection.
它每次运行都会变换样子（代码），骗过杀毒软件。
What is a Metamorphic Virus?
A virus that completely rewrites itself each time to avoid detection.
它每次运行都会“完全改头换面”，连它自己都不长一样，更难查到。
What is a Stealth Virus?
A virus that hides its presence by intercepting antivirus software or system calls.
它会“假装自己不存在”，拦截系统检查，不让你或杀毒软件发现它。
What is a Hoax Virus?
A fake virus warning used in social engineering to trick users into taking bad actions.
它其实不是病毒，而是假装自己是病毒来吓你，骗你点链接或删重要文件。
