The ban is still not lifted and there is no explanation for ban reason.
And here https://endchan.org/polru/res/675305.html#q752274 they say 'he didnt mention that ban was issued as result of report' (though it is visible on screenshot lol. Also it is visible that report formulation is 'pidorashka prihuela' which is just plain insult, so I doubt who diserves the ban more, the reporter, or the poster?). 
So I guess the board's rules do not mind ban by garbage reports?
I.e., some bullshit reason like 'mad poster' is an enough legitimate justification for bans?