fatback : Tool to undelete files from FAT file systems ( http://fatback.sourceforge.net/ )
tcpxtract : Extracts files from network packet captures ( http://tcpxtract.sourceforge.net/ )
yara : A malware identification and classification tool ( http://virustotal.github.io/yara/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a mva
For Paludis use this rsync : rsync://gentoo.zugaina.org/mva-portage
If you have a problem : ycarus(-at-)zugaina.org