If you want to pause antimalware protection or deactivate it entirely, go to Protection section and click Turn off protection, then select for how long the protection should be deactivated:
Note that when protection is deactivated, related Acronis processes and services will still be active, however they will use minimal resources. This is expected behavior.
You can also switch off different components of advanced antimalware protection: on Protection screen, click Settings.
On Settings screen, you can configure various parameters of antimalware protection; to disable Antiransomware protection, Real-time protection or Web filtering, toggle the appropriate switch to Off: