I am not native English as per your request, but I'm pretty sure that's what it is:)

If you use some roundabout way to achieve a desired result, you can say it's a "fiddle".
Has the advantage of sounding vaguely musical.
In the Royal Air Force, an airframe or engine fitter doing something like this would call it the "fit it or f*** it" method, but I am not offering this as an answer.

the underlying crypto voodoo
-- https://www.tbray.org/ongoing/When/201x/2014/04/18/Practical...

This means that if we want better search (and we do), we’d better not count on AI voodoo or linguistic juju or semantic mojo.
-- https://www.tbray.org/ongoing/When/200x/2003/07/30/OnSearchT...

mumbo jumbo -- if somу sort of spells ae implied

--------------------------------------------------
Note added at 25 mins (2017-01-20 15:24:33 GMT)
--------------------------------------------------

meaning `spells of some sort are implied`

--------------------------------------------------
Note added at 41 mins (2017-01-20 15:40:41 GMT)
--------------------------------------------------

перечитал контекст -- вспомнил о monkey business -- https://en.wiktionary.org/wiki/monkey_business

--------------------------------------------------
Note added at 57 mins (2017-01-20 15:56:22 GMT)
--------------------------------------------------

Whenever I use Trados Studio, I have to do lots of monkey business. -- https://goo.gl/QBcqxC

The screenwriter has done a good job, but it took half a year to convince the producers. I am sick and tired of that monkey business -- https://goo.gl/WrPzkt

This phrase doesn't quite equate to the Russian original, but one of the meanings is a long or elaborate explanation. I perceive this phrase to mean something lengthy and annoying, so it may be suitable in this case.