Mein bevorzugter Virenscanner für Windows: ClamWin
http://de.clamwin.com/

Adware Removel Tool => AdwCleaner
http://filepony.de/download-adwcleaner/

Junkware Removal Tool => JRT
http://filepony.de/download-junkware_removal_tool/

Malicious Software Removal Tool => Malware

http://www.microsoft.com/de-de/download/malicious-software-removal-tool-details.aspx

F-Secure Online Scanner

http://www.f-secure.com/en/web/home_us/online-scanner