This is msttcore-fonts.

The packaging and the refresh-msttcore-fonts script are
Copyright (C) 2012 Rob Janes,
and subject to the GPL, version 2 or later.

The full text of the GPL is available in /usr/share/common-licenses/GPL

Please read the READ_ME!.gz file in /usr/share/doc/msttcore-fonts-installer for
licensing terms for the fonts themselves.
