网址：http://www.clamav.net
安装命令
#./configure --sysconfdir=/etc/clamav
#make;make check;make install
安装之后需要多关注升级log，新版本出来就会有提示
Received signal: wake up
ClamAV update process started at Wed Jan 11 04:02:26 2006
WARNING: Your ClamAV installation is OUTDATED!
WARNING: Local version: 0.86.1 Recommended version: 0.88
DON'T PANIC! Read http://www.clamav.net/faq.html
main.cvd is up to date (version: 35, sigs: 41649, f-level: 6, builder: tkojm)
WARNING: Your ClamAV installation is OUTDATED!
WARNING: Current functionality level = 5, recommended = 6
DON'T PANIC! Read http://www.clamav.net/faq.html
daily.cvd updated (version: 1237, sigs: 470, f-level: 7, builder: diego)
WARNING: Your ClamAV installation is OUTDATED!
WARNING: Current functionality level = 5, recommended = 7
DON'T PANIC! Read http://www.clamav.net/faq.html
Database updated (42119 signatures) from db.cn.clamav.net (IP: 221.6.197.162)
看到之后只需要去下载最新版本，然后重新安装即可。 启动系统时运行/usr/local/bin/freshclam -d定时更新程序。配置文件在/etc/clamav