Current virus information – indispensable to protect your system
The number of new viruses and malware is increasing continually. The AntiVir products supply such a professional virus and malware protection through a so-called virus definition file, which is updated several times a day.
AntiVir VDF update (so called multiple VDF update with up to 32 files)
Please use this AntiVir VDF update, if you are using one of the following Avira products:
- Avira AntiVir Personal, Premium and Premium Security Suite from version 9
- Avira AntiVir Professional (Windows) from version 9
- Avira AntiVir Server (Windows) from version 9
- Avira AntiVir SharePoint from version 3
- Avira AntiVir ISA Server from version 3

AntiVir iVDF update (so called container VDF update with 4 files)
Please use this AntiVir VDF update, if you are using one of the following products:
- Avira AntiVir Personal, Premium and Premium Security Suite version 8
- Avira AntiVir Professional (Windows) version 8
- Avira AntiVir Server (Windows) up to version 8
- Avira AntiVir SharePoint up to version 2
- Avira AntiVir ISA Server up to version 2
- Avira AntiVir Exchange
- Avira AntiVir MIMEsweeper
- Avira AntiVir VSA for SAP
