Last one I found is already taken down (I always report it to the ISP - often Amazon cloud)

What it does is make loud buzzing noises while flashing a message that your computer has been infected with a virus and you must call microsoft support immediately.

Only thing that works is closing the tab or quitting the browser.

On 04/13/2016 12:54 PM, Jonathan Zuckerman wrote:
I have heard of a lot of abuses but never actually come across this
particular one, can you point us to a site that demonstrates it?

On Wed, Apr 13, 2016 at 3:53 PM, Michael A. Peters <>

This btw is a security issue. Many of the scam sites that do things like
tell the user their computer is infected and they have to call a number
disable the ability to use the back button via JavaScript hovers.

This puts users who don't understand technology into a mental state where
they feel like they have no control.

It's effing stupid that anyone ever thought it was a good idea to let
JavaScript disable the standard browser controls. As browsers have done
that, it needs to be specified that JavaScript can't do that.

On 04/13/2016 12:44 PM, Michael A. Peters wrote:

It needs to be made very clear as a web standard that no JavaScript
action can disable UI functions such as the back button.

A very common abuse is that when pulling the mouse to hit the back
button because you are not interested in a page, a hover comes up and
when the hover comes up, the back button no longer works.

This is a browser UI issue but it needs to specified that browsers must
not disable the back button in response to JavaScript. The web is enough
of a cesspool as it is.

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