Check that task manager every time you need a fresh cup of Java

Subject: General Tech | November 30, 2017 - 12:21 PM |
Tagged: security, Java, cryptocurrency

It's an old story, web browser meets javascript, they head to a mine with your CPU in tow and they all decide they like it so much they pop under again and again without telling anyone.  There are many websites out there that use your CPU for alt-coin mining while you browse their site but a few have gone back to the old trick of the hidden pop under window to ensure you keep mining for them after you think you have closed their site.  The Register links to some more information on this practice, though not any of the guilty parties.  It is not hard to resolve this issue, just make sure you check task manager after closing a browser and terminate any remaining processes; a visual clue it is happening is that the browser still shows as active on your taskbar even though no windows will show when you click. 

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"Miscreants have found a way to continue running cryptocurrency-crafting JavaScript on Windows PCs even after netizens browse away from the webpage hosting the code."

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November 30, 2017 | 01:19 PM - Posted by faugusztin (not verified)

Java is not JavaScript.

November 30, 2017 | 02:17 PM - Posted by Jeremy Hellstrom

Completely ruins the title

November 30, 2017 | 04:42 PM - Posted by BetterMindTheMinersNow (not verified)

I have Internet Explorer 11 Zombie process all the time and my security software will warn of excessive CPU usage. My Virus/Firewall software flagged its first coin-mining script download waring/quarantine just the other day. So because of IE11's tendency to leave browser tabs running in the Zombie/Undead state, I'm always checking the task manager to kill the parent Zombie IE process as the child process will restart if the parent process is still running.

Windows is a terrible OS for hardware monitoring with only Windows 10's task manager just getting GPU monitoring capabilities after all these years that GPUs have been a thing on PCs/Laptops. But Windows 10 is a personal informarion miner disguised as an OS.

December 1, 2017 | 10:24 AM - Posted by elel (not verified)

An alternate approach with firefox is to leave a tab of about:performance open to check; it's a per-tab performance monitor for the browser.

December 2, 2017 | 05:26 AM - Posted by JohnGR

I am using Winstep Nexus to start easily and fast some often used programs, browsers including of course and it does have an indicator when a program is running. So, it will be very easy to spot any problems of this kind.

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