Your uncle’s frozen Mac says it’s infected after viewing a Google ad. Now what?
摘要
研究人员发现，谷歌广告近期传播一种技术支持诈骗，可冻结Windows和Mac设备屏幕，并显示要求拨打虚假客服电话的紧急提示。这些广告出现在地图、天气、房产、文档托管和体育等网站。拨打号码的用户被催促支付高额费用、授予设备远程访问权限或泄露个人信息。8月31日至9月14日，Netskope观察到619个客户组织的用户点击了恶意广告，但因内容被拦截而无人受骗。约
Researchers say they recently found Google ads delivering a sophisticated tech support scam that freezes the screens of both Windows and Mac devices and displays messages urgently instructing them to phone a bogus call center.
The ads were displayed all over the web, including on high-traffic maps, weather, real-estate, document-hosting, and sports sites. Users who called the number were then urged to pay hefty fees, grant remote access to their devices, or divulge personal information. From August 31 to September 14, security firm Netskope observed users from 619 customer organizations click on the malicious ads, although none of them were actually scammed because Netskope blocked the content.
Roughly 62 percent of the organizations were based in the US, with Japan and Australia accounting for the Nos. 2 and 3 spots. Since the firm has visibility into only a tiny sliver of Internet activity, the number of people exposed to the ads—including those who fell victim to it—is likely much higher. Netskope tracked more than 250 Google Ads campaign IDs across at least 284 legitimate publisher sites.
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