Linux下病毒扫描工具 - clamav

 yum install clamav-server clamav-data clamav-update clamav-filesystem clamav clamav-scanner-systemd clamav-devel clamav-lib clamav-server-systemd -y

apt-get install clamav

groupadd clamav
useradd -g clamav -s /bin/false clamav
#添加用户、禁止其登陆

tar -xzvf clamav-0.80.tar.gz
cd clamav-0.80
./configure
make check
make install
#编译安装测试

clamscan -r /etc/ >/tmp/etc.log
#扫描配置目录并将日志保存到home下
clamscan -r --bell -i  / >/tmp/all.log
#全盘扫描显示有问题的结果，bell参数关闭屏显


grep  Infected /tmp/all.log
#查看被感染文件数量
grep -i found   /tmp/all.log
#查看被感染的文件

freshclam --verbose
#在线升级病毒库


cd /usr/local/clamav/update
wget http://db.local.clamav.net/daily.cvd
wget http://db.local.clamav.net/main.cvd
wget http://db.local.clamav.net/bytecode.cvd
#手动下载病毒库文件
rm  /var/lib/clamav/mirrors.dat
freshclam

#“Update failed. Your network may be down or none of the mirrors listed in freshclam.conf is working”

#删除掉旧的镜像地址文件，再手动更新一次病毒库

sed  -i  '$d'  /etc/sysconfig/freshclam
#默认禁止自动更新，因此去除最后一行

tail  -1 /etc/cron.d/clamav-update
#查看自动更新计划任务

sed -i -e  "s/^Example/#Example/"  /etc/freshclam.conf
sed -i -e  "s/^Example/#Example/"  /etc/freshclam.conf 
sed -i -e  "s/^Example/#Example/"  /etc/freshclam.conf
sed -i -e  "s/^Example/#Example/"  /etc/freshclam.conf
sed -i -e  "s/^Example/#Example/"  /etc/clamd.d/scan.conf

echo  'LocalSocket  /var/run/clamd.scan/clamd.sock'  >>  /etc/clamd.d/scan.conf
#替换和追加配置

systemctl enable clamd@scan
systemctl start clamd@scan
#激活开机启动，启动服务

[http://r.virscan.org](http://r.virscan.org "http://r.virscan.org")