Those pop-ups that slow down PCs and tell you to call “Microsoft” at a sketchy 1-800 number are back, thanks to an newly exploited browser bug.

由于新利用的浏览器错误，那些使PC减速并告诉您以1-800的粗略数字称呼“ Microsoft”的弹出窗口又回来了。

Chrome and Firefox users are both reportedly vulnerable to the attack, which disguises itself as a legitimate error message. The bug exploited here was thought to be patched, but scammers seem to have found an new way to trigger the bug.

据报道，Chrome和Firefox用户都容易受到攻击，该攻击伪装成合法的错误消息。 人们认为这里利用的漏洞已被修补，但是骗子似乎已经找到了触发该漏洞的新方法。

Dan Goodin, , outlines how it works:

Dan Goodin ，概述了其工作原理：

The scam technique, which came to light in February, works by abusing the programming interface known as the window.navigator.msSaveOrOpenBlob. By combining the API with other functions, the scammers force the browser to save a file to disk, over and over, at intervals so fast it’s impossible for normal users to see what’s happening. Within five to 10 seconds, the browser becomes completely unresponsive.

这项骗局技术于2月份公开，其工作原理是滥用称为window.navigator.msSaveOrOpenBlob的编程接口。 通过将API与其他功能结合在一起，骗子迫使浏览器以如此快的间隔一遍又一遍地将文件保存到磁盘上，普通用户无法看到正在发生的事情。 在五到十秒钟内，浏览器将完全无响应。

So your computer is completely crashed, and there’s a phone number on the screen that promises to fix it. If you’re the sort of person who reads articles like this you probably know not to call the number, but a decent percentage of people don’t.

因此，您的计算机完全崩溃了，并且屏幕上有一个电话号码有望修复它。 如果您是那种喜欢阅读此类文章的人，那么您可能会知道不要打这个电话，但是一定比例的人不会。

Which is why you should tell your friends and family to never call tech support numbers that randomly pop up on your screen. You could even tell them to call you instead, if you’re feeling generous.

这就是为什么您应该告诉您的朋友和家人不要拨打随机弹出在屏幕上的技术支持电话的原因。 如果您感到慷慨，甚至可以告诉他们打电话给您。

Google and Mozilla are both working on patches for this bug, after which the cat and mouse game will probably continue. Arm the people you know with knowledge.

Google和Mozilla都在为该错误开发补丁程序，此后猫猫和老鼠游戏可能会继续。 用知识武装您认识的人。

Screenshot courtesy Malwarebytes

屏幕截图由Malwarebytes提供

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