Avira is very well used antivirus program, the likes of Ashampoo, Ad-Aware and Webroot Web Washer all use Avira's antivirus engine to provide their services. And obviously Avira use it to provide their own free and paid antivirus services. Avira has an impressive 100 million users at the last accurate count in 2009.
Avira's internet security functions on Windows, Linux, FreeBSD, OpenBSD and Solaris operating systems. Avira have spent the last few years optimising virus definition files in order to improve scanning speeds and to speed up the update/download process which has to be fast to cater to the high expectations of a lot of business clients it serves.
Avira free antivirus is for personal use only and free of charge. Like much antivirus software, it can run a scan to check disks for malware, and can also run as a background process which checks every file opened or downloaded. It can detect and possibly remove some rootkits.It updates its virus definitions over the Internet, daily by default, also opening a window with an advertisement suggesting that the user purchase Avira AntiVir Premium or Avira Premium Security Suite. Avira updated all its products to version 10.0 in March 2010.
You can download Avira Free antivirus from
here.
Our Verdict: 8/10, a very good antivirus system, effective and sparing on system resources, however the pop ups are enough to drive you insane.
You can read a full and in depth review of Avira
here.