Cryptolocker

Anyone got infected with the Cryptolocker? What had you done what are the solutions? in one of our branch it is has been infected 2 pc at the moment i took down the vpn with them but i am not secure because there are other 12 vpn tunnel active in our group.

More info here

http://www.bleepingcomputer.com/virus-removal/cryptolocker-ransomware-information

Any ideas how to protect preventive? We are using Kaspersky Endpoint Security!

Thanks in advance