What is us.demagnetized139pl.xy mean on my ipad. This appeared and said my iPad is infected with 4 viruses?

What is us.demagnetized139pl.xy mean on my ipad. This appeared and said my iPad is infected with 4 viruses?

Read more: What is us.demagnetized139pl.xy mean on my ipad. This appeared and said my iPad is infected with 4 viruses?