If a remote machine tries to encrypt a shared folder, Kaspersky Anti-Ransomware Tool for Business will block the connection of the remote machine to the shared folder for the amount of time specified in the settings.
To set the machine block time:
Open the main application window.
In the application menu, select Settings.
In the left part of the window, in the settings list, select Shared folders protection.
Specify the amount of minutes to block the connection (maximum 99 minutes).