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Windows Chrome users: Tech-support scams try new trick to freeze your browser


Get an ad-blocker if you want to dodge tech-support scammers' latest rapid-download ruse.
Tech-support scammers have developed a new trick to freeze browsers on a bogus security alert with a number to a fake support line.The ultimate goal of the browser freeze is to cause stress to lots of potential victims in the hope some will call the bogus hotline offered in the alert.
Previously, tech-support scams have used pop-under windows, pop-up loops, and other shady techniques that aim to prevent users from closing the bogus security alert page. Scammers frequently use malicious ads to nudge browser users to booby-trapped webpages that freeze the browser.A new technique found by researchers at Malwarebytes targets the current version of Chrome, 64.0.3282.140, on Windows.
This scam works by instructing the browser to rapidly download thousands of files from the web, which quickly results in Chrome becoming unresponsive and makes it impossible to close tabs or the window by clicking the X button.Malwarebytes' Jerome Segura said that the booby-trapped pages in this case include code that abuses a web application programming interface for saving files from the web on the browser.
The code is set to download 'blob' objects at half-second intervals, leading to a huge number of concurrent downloads that causes the browser to freeze and a large spike in CPU and memory usage.Segura contends that given most of these browser lockers reach users via malvertizing, one effective method of countering the threat is to use an ad-blocker.
He also notes that people who have landed on one of these pages can escape them by going to the Windows Task Manager and force quitting the offending browser processes.Chrome is often targeted because of its huge number of users, making it ideal for indiscriminate and widespread attacks that are usually delivered by malicious ads.

Remove the Microsoft support phone numberWindows Notification Tech Support Scam

What is Microsoft support phone numberWindows Notification Tech Support Scam?

The Microsoft support phone numberWindows Notification tech support scam that displays a popup that pretends to be a Microsoft support phone numbernotification. This notification will state that your computer is infected and was locked. The scammers then tell the user to call a listed phone number to receive help. As this is just a scam and the site has no idea what is running on your computer, you should not call any listed number.
When the "Microsoft support phone numberWindows Notification" Scam is displayed in your browser it will contain text similar to the following.
Unfortunately, browser based tech support screens make it difficult to close the screen or sometimes even the browser itself. Thankfully, almost all browser based tech support scams can be closed by opening Windows Task Manager and ending the browser process. It is important, though, that if you end the browser process that you do not reopen previously closed sites if prompted by the browser when you start it again.

Finally, while standard site advertisements may display browser tech support scams, they are also commonly used by adware programs. Therefore, if you are constantly seeing browser based tech support scams, you should perform a scan of your computer for adware.

Why am I Seeing the Microsoft support phone numberWindows Notification Tech Support Scam?

The Microsoft support phone numberWindows Notification Scam is shown through advertisements that redirect you to sites that display this scam. These advertisements can be displayed by installed adware programs or through less than reputable sites that are displaying them to generate advertising revenue.
For the most part, if you see a browser based tech support scam, then you can simply close the browser and start it again. On the other hand, if you are continuously seeing scams like the "Microsoft support phone number Windows Notification" scam, then you should scan your computer for adware and remove anything that is found.

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