/usr/lib/libvtkKWEIO.so is in libvtkedge-dev 0.2.0~20110819-1build2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libvtkKWEIO.so.0.2
/usr/lib/libvtkKWEIO.so.0.2