My phone has a virus! Apple claims that its product is not a virus! What should I do?

Not quite clear why your think that your phone has a virus.

You can't access the phone by using the Windows explorer. Data can only be synced to the phone by using iTunes. You can transfer your photos using Windows software:Import photos and videos from your iPhone, iPad, or iPod touch to your Mac or Windows PC - Apple Support

Your phone might be vulnerable for malware if you jailbreak the phone:

Unauthorized modification of iOS can cause security vulnerabilities, instability, shortened battery life, and other issues

Nothing about what you're showing suggests that your iPhone has a virus. Unless you modified the iOS of the iPhone, then it cannot get a virus.

My phone has a virus! Apple claims that its product is not a virus! What should I do?

First, stop hysterically characterizing a completely unrelated concern as a "virus".

Then, learn how to manage your iCloud storage, To do that read Manage your iCloud storage - Apple Support.