avast! FreeAntivirus

Avast

http://www.avast.com/de-de/free-antivirus-download

AVG Anti-Free

AVG

http://free.avg.com/de-de/antivirus-gratis-downloaden

Avira AntiVir Personal

Avira

http://www.avira.com/de/avira-free-antivirus

Bitdefender Free Antivirus

Bitdefender

http://www.bitdefender.com/solutions/free

ClamWin Free Antivirus

ClamWin

http://de.clamwin.com/

Comodo Internet Security

Comodo

http://www.comodo.com/home/internet-security/free-internet-security.php

Microsoft Security Essentials

Microsoft

http://windows.microsoft.com/de-DE/windows/products/security-essentials

Outpost Free Internet Security

Agnitum

http://free.agnitum.com/de/

Panda Cloud Antivirus

Panda

http://www.cloudantivirus.com/de/#!free-antivirus-download