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勒索病毒发生变种传播或更快 需尽快为电脑安装补丁
2017-05-15 10:10:14 国家网络与信息安全信息通报中心
校园网用户:
近期国内多所院校出现ONION勒索软件感染情况,磁盘文件会被病毒加密为.onion后缀,只有支付高额赎金才能解密恢复文件,对学习资料和个人数据造成严重损失。
根据网络安全机构通报,这是不法分子利用NSA黑客武器库泄漏的“永恒之蓝”发起的病毒攻击事件。“永恒之蓝”会扫描开放445文件共享端口的Windows机器,无需用户任何操作,只要开机上网,不法分子就能在电脑和服务器中植入勒索软件、远程控制木马、虚拟货币挖矿机等恶意程序。
由于以前国内多次爆发利用445端口传播的蠕虫,运营商对个人用户已封掉445端口,但是教育网并没有此限制,仍然存在大量暴露445端口的机器。据有关机构统计,目前国内平均每天有5000多台机器遭到NSA“永恒之蓝”黑客武器的远程攻击,教育网就是受攻击的重灾区!
在此提醒广大师生:
目前微软已发布补丁MS17-010修复了“永恒之蓝”攻击的系统漏洞,请广大师生尽快为电脑安装此补丁;对于XP、2003等微软已不再提供安全更新的机器,推荐使用360“NSA武器库免疫工具”检测系统是否存在漏洞,并关闭受到漏洞影响的端口
![](http://img3.utuku.china.com/600x0/news/20170515/43bc3ae7-ec07-4a1f-a478-a843693dbd23.jpg)
![](http://img1.utuku.china.com/600x0/news/20170515/b0f714b0-351c-41b5-beb7-1bbc69e937d1.jpg)
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![](http://img3.utuku.china.com/600x0/news/20170515/1b7e8a83-01ed-4c05-8ee5-0a582d18eb8a.jpg)
![](http://img0.utuku.china.com/600x0/news/20170515/4b4be90a-7b00-40c0-8f93-f989b45c09ee.jpg)
![](http://img0.utuku.china.com/600x0/news/20170515/f0e1251c-2f18-4028-9c71-d421caa8075e.jpg)
![](http://img1.utuku.china.com/600x0/news/20170515/e5f92738-86a1-4f66-885d-385c9039b9f3.jpg)
![](http://img2.utuku.china.com/600x0/news/20170515/cd7bab81-d94e-4ca6-a70e-02e48c1fff38.jpg)
![](http://img3.utuku.china.com/600x0/news/20170515/23feaca9-19b5-4bf3-9969-ca479d097f9d.jpg)
![](http://img0.utuku.china.com/600x0/news/20170515/cdf66b8a-a643-4258-9940-78ec5e8462f9.jpg)
![](http://img2.utuku.china.com/600x0/news/20170515/565d7af9-20bc-42ff-b8d7-82ae6c698516.jpg)
原标题:紧急通报:勒索病毒现变种WannaCry2.0 传播速度或更快
责任编辑:都基强 CN065
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