Clamav

instalando

apt-get install clamav

procurando por malware

clamscan -rvi / --log=malwarescan.txt

filtrando por encontrados

cat malwarescan.txt | grep FOUND

consumo alto de RAM/Processamento

• https://forum.iredmail.org/topic13607-a-solution-to-clamav-consuming-too-much-memory.html
• https://forum.iredmail.org/topic10840-iredmail-support-i-cant-stop-that-stupid-clamd.html