There’s no question that Friday’s Wanna Cry ransomware attack, which spread like wildfire, was bad.
Your antivirus software checks the program first, comparing it to known viruses, worms, and other types of malware.
Your antivirus software also does “heuristic” checking, checking programs for types of bad behavior that may indicate a new, unknown virus.
Share Point 2013 introduces NO CHANGES to the Share Point Antivirus API (a.k.a Share Point Portal Server Virus Scanning Application Programming Interface (VS API)).
Therefore any product that works with Share Point 2010, in principal, will work with Share Point 2013.
However 3rd party vendors in this space have always been extremely slow to implement support for the latest version of Share Point or the host operating system.