By the shape...
Rectangular prism
I believe it is a cone, if you are intending for us to tell you the 3d figure.
Its a cylinder.It looks like a can but not really a can.
cylinder
A three dimensional solid figure looks like a cube or a prism. Pyramids are three dimensional solid figures as well.
it looks like a bunch of grapes ,only on a microscopic level.
It looks like lines stuck together to make a closed figure
It looks like solid gold.
The computer virus cannot be seen therefore it has no figure.
It looks like a hourglass
cone that is my answer