How did this begin?

源头在哪？

The Petya ransomware worm began spreading Tuesday morning with a fake software update that was pushed out to businesses and other enterprises in Ukraine. The software concerned, called MEDoc, is a financial-monitoring application that all businesses in Ukraine must have installed.

Petya勒索软件蠕虫于本周二早上开始传播，它假借软件更新，强制推送给乌克兰企业。涉事软件叫做MEDoc，是所有乌克兰企业都必须安装的一个财务监控应用程序。

How did Petya spread?

Petya如何传播？

From its initial infection point in Ukraine, the Petya worm quickly spread to companies in other European countries through enterprise networks.

通过企业网络，Petya蠕虫迅速从最初位于乌克兰的感染点传播到其他欧洲公司。

There's some evidence that Petya also spread via infected email attachments, but that theory is not quite as well established.

有证据表明，Petya还会以被感染的电子邮件附件的形式传播，不过这一理论并不完善。

What does Petya do?

Petya能做什么？

Petya is really four things. It's a worm that uses Windows networking tools, and exploits used by the NSA, to spread through local networks.

实际上，关于Petya需要说明四点。蠕虫利用Windows网络工具和美国国家安全局使用过的漏洞并通过局域网传播。

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