Is firebase storage a virus?

Coming on to the questions you have asked, there is no virus scanning that takes place for firebase protection . Instead Firebase is protected by : Zero-configuration SSL which is built into Firebase Hosting, so content is always delivered securely.

FirebaseStorage is a service that supports uploading and downloading large objects to Google Cloud Storage . Pass a custom instance of FirebaseApp to getInstance(FirebaseApp) which will initialize it with a storage location (bucket) specified via setStorageBucket(String) .

Firebase is a Google-owned application development platform that provides secure storage in Google Cloud. Researchers at Trustwave SpiderLabs have observed several phishing campaigns abusing this cloud infrastructure to obtain URLs that won’t be blocked by email gateways .26 May 2021