[PCI-DSS] 5.1.1 Ensure that all anti-virus programs are capable of detecting, removing, and protecting against all known types of malicious software.
5.1.1 For a sample of system components, verify that all anti-virus programs detect, remove, and protect against all known types of malicious software (for example, viruses, Trojans, worms, spyware, adware, and rootkits).