It’s a strange thing about Blender unwrapping I must be doing something wrong

I’m using CBabe as a test model (transformed in obj format) and everything is o.k. until I unwrap her (btw- her texture seems already unwrapped with every vertex at his own place). When I use Unwrap (smart projections) as indicated in tutorials Blender unwraps CBabe in totally unexpected way- it seems he only makes different vertex positions and leaves texture totally unchanged. So texture is un-touched and vertex position is all different???

Is there something I must do in order for Blender to recalculate texture and not just vertex (as in MED’s Atlas Mapping where there are big changes in texture map)?