The ban may be a mistake, but I can't be sure.
There have been (and it's still going on) links to malwares (see here :
https://bitcointalk.org/index.php?topic=5182222.0) for some time and you may have been considered one of them.
What you should do : send an mail as indicated in the ban message or the mail in this
topic.
If it can help, I found a post from frodocooper in the Staff section saying that you are the real developer of GMiner :