Here's a whole bunch of them.
http://images.google.com/images?q=photo+of+the+Hepatitis+C+virus&hl=en&lr=&sa=X&oi=images&ct=title
There's the spike ball picture:
http://images.google.com/imgres?imgurl=http://www.hepcprimer.com/images/full-model-with-text.gif&imgrefurl=http://www.hepcprimer.com/3dmodel.html&h=400&w=400&sz=37&hl=en&start=14&tbnid=Sd7Qm-W-85yMZM:&tbnh=124&tbnw=124&prev=/images%3Fq%3Dphoto%2Bof%2Bthe%2BHepatitis%2BC%2Bvirus%26svnum%3D10%26hl%3Den%26lr%3D%26sa%3DX