That is I believe called a "shart".

I assume GP meant "malicious activity" - as in, a successful product launch looks a lot like a scammer from the perspective of an automated system running for the payment processor.

Am I too old? Because to me "dirty deeds" are malicious acts.

https://dictionary.cambridge.org/us/example/english/dirty-de...

(Note that the singular normally refers to sex, though.)