Which of the following is not a antivirus software?

McAfee Corp. is a San Jose, California-based global computer security software corporation. Norton AntiVirus is an anti-virus or anti-malware software product, developed and distributed by NortonLifeLock Kaspersky Lab is a Russian multinational cybersecurity and anti-virus provider headquartered in Moscow, Russia. COBOL stands for Common Business Oriented Language. It is first developed in 1960 by the CODASYL Committee (Conference on Data Systems Languages). Hence COBOL is the answer.