There's no way to exclude certain processes.
As a workaround, you can set Usage Adjustment Factor to 0.5 in application's
hidden settings to avoid the over-reporting.
or
Use NetWorx with WinPCap that filters traffic on a specific NIC. For this, download and install
WinPCap.
Restart NetWorx and you should be able to choose one of your adapters prefixed with "Ignore LAN Traffic" from the drop-down list in the NetWorx settings.