All reports of windows-thumbnail-database-in-package for the archive. The extended description of this tag is:

There is a file in the package named Thumbs.db or Thumbs.db.gz, which is normally a Windows image thumbnail database. Such databases are generally useless in Debian packages and were usually accidentally included by copying complete directories from the source tarball.

Severity: normal, Certainty: certain

Check: files, Type: binary, udeb

This tag has not been emitted in any package tested by Lintian.