any black-hat worth his hat color would assume a few things up front, and most likely know what info is being sent or left behind when malware strikes, and ALSO know what to modify in order to cover his own tracks.
Otherwise he'd be laughed at for being such a "script kiddie". It kinda reminds me of the movie 'Hackers' when one of the n00b guys tries to impress his friends by cracking into "the Gibson", but he did it from his home phone, such that the call could be traced. And of course, it was. Anyway, it (somewhat humorously) illustrates the point that if you do something nefarious, you have to leave no breadcrumbs.
Or, in consistency with the article, plant bread crumbs that lead authorities to the wrong place.
(I'm a white hat hacker with a touch of grey - I'm not opposed to doing things that might be considered 'black hat' if it's for the right reasons)