How do I remove viruses detected by the App Store on my iPhone?

The App Store does not present you with those kinds of messages. That is rather an application that is presenting themselves as the App Store and claiming you have viruses on your iPhone, which is not true. Do not interact with it and close out. That is a scam attempt.

Learn more and stay vigilant: Recognize and avoid social engineering schemes including phishing messages, phony support calls, and other scams - Apple Support

You don't have any viruses on your phone, it is a scam message designed to get you to purchase unnecessary software or phish for personal information. This did not come from the App Store or Apple.

Read more about it here -

Recognize and avoid social engineering schemes including phishing messages, phony support calls, and other scams - Apple Support

Hello!

Please don't worry about that, it is simply a scam tactic. Just ensure that your iPhone stays fully updated, and you'll be good: Update your iPhone or iPad - Apple Support

Have a great day!

Pegleg60 wrote:

I want to thank everyone who helped

You are most welcome, stay alert out there.

You're welcome Peg! Take care.

Youre welcome.