ps aux | grep freshclam
    clamav     772  0.0  0.4 134196 18288 ?        Ss   11:11   0:00 /usr/bin/freshclam -d --foreground=true
    root      3705  0.0  0.0  21312   944 pts/4    S+   11:31   0:00 grep --color=auto freshclam