Closing the account may be an issue that you want to pursue separately, but they did do the work you paid them for.
Are you kidding us? Do you really expect to not be banned everywhere?
You're by far the least smart person I've seen in HN. Congratulations.
Do you not foresee any other problems that could arise from naming your product after malware? How do you expect your marketing emails to get through to people's inboxes with a name that gets flagged on-search?
I won't absolve Stripe here, but you walked into this one face-first. Automated systems are going to annihilate your SEO for as long as you keep that name.