Protecting shared drives from viruses?

I'm trying to figure out if there is a way to make it where only certain programs can change the files of a shared network drive. We have software that is dependent on shared drives (no way to get around them) that have been hit multiple times by the crypto
locker virus. All of our workstations have Vipre business virus protection and email protection and our email is hosted with Office 365, but the virus is still able to get on our network thru email. I've even seen it disable vipre. We also have software that
will not work unless the user is an administrator on the workstation. We have setup some group policy rules that will not allow programs to run in the general places this virus likes to run, but I'm sure this will not stop it forever. If our accounting software
drive gets hit it will be a major headache. So, what I would like is to be able to setup a rule on a workstation or in group policy that says that certain programs can make changes to the files on a shared network drive, but no other programs can. Does anyone
know if this is possible?

Hi,
Permissions in Windows are based on users, not programs. We cannot setup a rule that only certain programs can make changes to the files on a shared network drive. In case, your drive infected by CryptoLocker, you need to backup your drive periodically. If
your drive is encrypted, you could restore encrypted files.
Regards,
Mandy
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http://www.microsoft.com/security/portal/
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