Hi Sebastiaan,
The options you are referring to are the ones that are available from the Marketplace.
There are other options (as mentioned here) but there you'll be using a third-party.
Hi Sebastiaan,
If you are using AWS S3 services then the below linked reference could be helpful.
https://aws.amazon.com/blogs/apn/integrating-amazon-s3-malware-scanning-into-your-application-workflow-with-cloud-storage-security/#:~:text=API%20scanning%20allows%20you%20to,in%20a%20matter%20of%20minutes.
Thanks