My thread has been deleted ! WHY ?

I posted a question in this forum , but the admin deleted ! why i dunno !!
how should i learn if you deleted without any notes ,, ..
thanks for this treatment .. and i really have goods words now to tell other if any one asking me what is my feedback about this forum // !

Your post was about creating a virus. What did you expect?

it's an assignment !! no more ,, by the way am white hacker " information security student " .. ,,

It doesn't matter. Assistance for writing viruses should not be published on any forum period.