Aggiunta fonte Apt
sudo cat | sudo tee -a /etc/apt/sources.list > /dev/null <<EOFile
deb http://volatile.debian.org/debian-volatile etch/volatile main contrib non-free
EOFile
Pinning
cat | sudo tee -a /etc/apt/preferences > /dev/null <<EOFile
Package: clamav
Pin: origin volatile.debian.org
Pin-Priority: 1100
Package: *
Pin: release a=etch
Pin-Priority: 700
EOFile
Installazione
sudo apt-get update && sudo apt-get upgrade && sudo apt-get install clamav clamav-daemon
Installazione decompressori
sudo apt-get install unrar lha arj unzip