杀毒软件，也称反病毒软件或防毒软件，是用于消除电脑病毒、特洛伊木马和恶意软件等计算机威胁的一类软件。(Antivirus software, also known as antivirus software or antivirus software, is a class of software used to eliminate computer threats such as computer viruses, Troy Trojans, and malicious software.)