Here you can find all folders we use in Dynatrace Managed :
and here for Environment / Cluster ActiveGates:
However, Antivirus scanning is usually CPU/disk IOPS heavy. So if you really must use it, at best, make sure to scan other storage devices mounted to the system than those that are used by Dynatrace Managed. Otherwise, the scan might cause performance degradation even by scanning a different folder if it's on the same volume/device.