hosts文件的一些用途：

1. 将广告域名重定向到本地IP地址：127.0.0.1上来过滤广告。
2. hosts文件可用于拦截一些恶意网站的请求，从而防止访问欺诈网站或感染一些病毒或恶意软件。
3. 使用hosts文件来强制将网站指定到正确的IP上。

Hosts怎么打开呢 Win+R 打开下面地址,或者照着这么目录手动去找也行.
hosts - 位置C:\Windows\System32\drivers\etc

将下面代码块内的内容复制粘贴到hosts文件保存即可

介绍的第一种 - 全网排名前100的捆绑式病毒下载站黑名单

# 全网排名前100的捆绑式病毒下载站黑名单
127.0.0.1    www.cr173.com
127.0.0.1    www.pc6.com
127.0.0.1    www.xz7.com
127.0.0.1    www.kkx.net
127.0.0.1    www.itmop.com
127.0.0.1    www.qqtn.com
127.0.0.1    www.qqxiazai.com
127.0.0.1    www.cncrk.com
127.0.0.1    www.zdfans.com
127.0.0.1    www.uzzf.com
127.0.0.1    www.pc0359.cn
127.0.0.1    www.onlinedown.net
127.0.0.1    www.downcc.com
127.0.0.1    soft.onlinedown.net
127.0.0.1    www.ddooo.com
127.0.0.1    www.downxia.com
127.0.0.1    www.18183.com
127.0.0.1    www.11684.com
127.0.0.1    www.bkill.com
127.0.0.1    www.32r.com
127.0.0.1    www.121down.com
127.0.0.1    www.05sun.com
127.0.0.1    www.somode.com
127.0.0.1    www.v5pc.com
127.0.0.1    www.miaoxiazai.com
127.0.0.1    www.downmsn.com
127.0.0.1    www.qh24.com
127.0.0.1    www.3h3.com
127.0.0.1    www.winwin7.com
127.0.0.1    www.jyrd.com
127.0.0.1    www.ttyx8.com
127.0.0.1    www.greenxiazai.com
127.0.0.1    www.paopaoche.net
127.0.0.1    www.kuaila.com
127.0.0.1    42824.com
127.0.0.1    www.xz7.com
127.0.0.1    m.somode.com
127.0.0.1    www.sxsme.com.cn
127.0.0.1    www.lenosoft.net
127.0.0.1    www.jb51.net
127.0.0.1    www.win10com.com
127.0.0.1    www.xitongtiandi.net
127.0.0.1    m.downcc.com
127.0.0.1    www.32r.com
127.0.0.1    www.kxdw.com
127.0.0.1    www.downyi.com
127.0.0.1    www.51xp.cc
127.0.0.1    www.tongyixiazai.com
127.0.0.1    www.ruanjiandi.com
127.0.0.1    www.uzzf.com
127.0.0.1    www.11684.com
127.0.0.1    www.down28.cn
127.0.0.1    www.127z.com
127.0.0.1    www.9fs.com
127.0.0.1    www.wmzhe.com
127.0.0.1    www.3xiazai.com
127.0.0.1    www.yxdj.com.cn
127.0.0.1    down.easck.com
127.0.0.1    www.win7xzb.com
127.0.0.1    www.ttrar.com
127.0.0.1    www.dianlut.com
127.0.0.1    mydown.yesky.com
127.0.0.1    www.xitongzhijia.net
127.0.0.1    www.285868.com
127.0.0.1    www.xitongxia.net
127.0.0.1    www.wei2008.com
127.0.0.1    www.xfdown.com
127.0.0.1    www.pcdown.net
127.0.0.1    www.opdown.com
127.0.0.1    www.pipikun.com
127.0.0.1    down.52pk.com
127.0.0.1    www.zuiben.com
127.0.0.1    www.smzy.com
127.0.0.1   www.xue51.com
127.0.0.1   www.duote.com
127.0.0.1   www.minixiazai.com
127.0.0.1   www.kuaihou.com
127.0.0.1   xiazai.zol.com.cn
127.0.0.1   www.haote.com
127.0.0.1   www.99danji.com
127.0.0.1   www.52jingyan.com
127.0.0.1   www.81857.net
127.0.0.1   www.bookshi.com
127.0.0.1   www.qqzywang.com
127.0.0.1   www.veryhuo.com
127.0.0.1   www.windows10zj.com

介绍的第二种 - 屏蔽马克丁

# 屏蔽马克丁
127.0.0.1 xmindchina.net
127.0.0.1 www.xmindchina.net
127.0.0.1 www.ntfsformac.cc
127.0.0.1 www.makeding.com
127.0.0.1 makeding.com
127.0.0.1 vm.makeding.com
127.0.0.1 www.bingdianhuanyuan.cn
127.0.0.1 xia.bingdianhuanyuan.cn
127.0.0.1 bingdianhuanyuan.cn
127.0.0.1 huishenghuiying.com.cn
127.0.0.1 www.huishenghuiying.com.cn
127.0.0.1 xia.huishenghuiying.com.cn
127.0.0.1 coreldrawchina.com
127.0.0.1 xia.coreldrawchina.com
127.0.0.1 www.coreldrawchina.com
127.0.0.1 shankejingling.com
127.0.0.1 www.shankejingling.com
127.0.0.1 xia.shankejingling.com
127.0.0.1 mairuan.com
127.0.0.1 www.mairuan.com
127.0.0.1 xia.mairuan.com
127.0.0.1 logoshejishi.com
127.0.0.1 www.logoshejishi.com
127.0.0.1 xia.logoshejishi.com
127.0.0.1 keyshot.cc
127.0.0.1 xia.keyshot.cc
127.0.0.1 www.keyshot.cc
127.0.0.1 flstudiochina.com
127.0.0.1 www.flstudiochina.com
127.0.0.1 xia.flstudiochina.com
127.0.0.1 ediuschina.com
127.0.0.1 www.ediuschina.com
127.0.0.1 xia.ediuschina.com
127.0.0.1 vegaschina.cn
127.0.0.1 www.vegaschina.cn
127.0.0.1 xia.vegaschina.cn
127.0.0.1 guitarpro.cc
127.0.0.1 www.guitarpro.cc
127.0.0.1 xia.guitarpro.cc
127.0.0.1 www.xmindchina.cn
127.0.0.1 xia.xmindchina.cn
127.0.0.1 xmindchina.cn
127.0.0.1 xmindchina.net
127.0.0.1 www.xmindchina.net
127.0.0.1 xia.xmindchina.net
127.0.0.1 mindmanager.cc
127.0.0.1 www.mindmanager.cc
127.0.0.1 xia.mindmanager.cc
127.0.0.1 kingdeecn.cn
127.0.0.1 www.kingdeecn.cn
127.0.0.1 xia.kingdeecn.cn
127.0.0.1 xshellcn.com
127.0.0.1 www.xshellcn.com
127.0.0.1 xia.xshellcn.com
127.0.0.1 imindmap.cc
127.0.0.1 www.imindmap.cc
127.0.0.1 xia.imindmap.cc
127.0.0.1 abbyychina.com
127.0.0.1 www.abbyychina.com
127.0.0.1 xia.abbyychina.com
127.0.0.1 bartender.cc
127.0.0.1 www.bartender.cc
127.0.0.1 xia.bartender.cc
127.0.0.1 jihehuaban.com.cn
127.0.0.1 www.jihehuaban.com.cn
127.0.0.1 xia.jihehuaban.com.cn
127.0.0.1 mathtype.cn
127.0.0.1 www.mathtype.cn
127.0.0.1 xia.mathtype.cn
127.0.0.1 chemdraw.com.cn
127.0.0.1 www.chemdraw.com.cn
127.0.0.1 xia.chemdraw.com.cn
127.0.0.1 mycleanmymac.com
127.0.0.1 www.mycleanmymac.com
127.0.0.1 xia.mycleanmymac.com
127.0.0.1 ntfsformac.cn
127.0.0.1 www.ntfsformac.cn
127.0.0.1 xia.ntfsformac.cn
127.0.0.1 parallelsdesktop.cn
127.0.0.1 www.parallelsdesktop.cn
127.0.0.1 xia.parallelsdesktop.cn
127.0.0.1 beyondcompare.cc
127.0.0.1 www.beyondcompare.cc
127.0.0.1 xia.beyondcompare.cc
127.0.0.1 easyrecoverychina.com
127.0.0.1 www.easyrecoverychina.com
127.0.0.1 xia.easyrecoverychina.com
127.0.0.1 bingdianhuanyuan.cn
127.0.0.1 www.bingdianhuanyuan.cn
127.0.0.1 xia.bingdianhuanyuan.cn
127.0.0.1 hypersnap.mairuan.com
127.0.0.1 www.iconworkshop.cn
127.0.0.1 iconworkshop.cn
127.0.0.1 www.pdfexpert.cc
127.0.0.1 xiazai.pdfexpert.cc
127.0.0.1 www.zhzzx.com
127.0.0.1 yihuifu.cn
127.0.0.1 www.4009997658.com
127.0.0.1 4009997658.com
127.0.0.1 mairuanwang.com
127.0.0.1 www.mairuanwang.com
127.0.0.1 mairuan.com
127.0.0.1 mairuan.cn
127.0.0.1 mairuan.net
127.0.0.1 mairuan.com.cn