clamav-unofficial-sigs is broken and not maintained anymore. So unless something changes there is no point leaving it in the repository.
clamav-unofficial-sigs is broken because of changes in securiteinfo. This issue has been reported a year ago and has not even been acknowledged by the developers: * 2015/04/24 - clamav-unofficial-sigs: securiteinfo databases not available any more No developer comment! https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=783228 * 2015/01/07 - clamav-unofficial-sigs: Updating the databases timeouts on a regular basis No developer comment! https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=774763 * 2015/05/09 - clamav-unofficial-sigs: Multiple error message at each execution No developer comment! https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=784832 As is plainly visible by reading these 3 bug reports, they are duplicates of each other and yet the developers have not even merged them. A year ago a user also mentioned that there is a new upstream version and yet clamav-unofficial-sigs has not been updated in over two years (since 2014/01/15 precisely): * 2015/05/12 - Newer version available, new upstream mantainer No developer comment! https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=785130 Finally there has been no developer activity on any of the other bugs since 2014: * Initial Signature Download Last developer comment: Paul Wise 2013/07/11 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=691314 * clamav: Non-actionable cron spam Last developer comment: Paul Wise 2014/05/12 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=704656 * clamav-unofficial-sigs: Cron job results spread onto mail and logs Last developer comment: Paul Wise 2014/11/12 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=761162 -- Francois Gouget <fgou...@free.fr> http://fgouget.free.fr/ Advice is what we ask for when we already know the answer but wish we didn't -- Eric Jong