What methods can be employed to scan uploaded files for malware before processing

Question

I’m allowing users to upload files, and I’m concerned about malware risks. Before processing or storing these files, I want to scan them for any malicious content. Are there recommended tools or techniques to detect malware effectively in uploaded files?

If there are reliable libraries, APIs, or integration methods for malware scanning, especially those suitable for real-time checks, I’d appreciate the suggestions.