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Malicious Chrome extension is next to impossible to manually remove

71 pointsby Deinosover 7 years ago

6 comments

userbinatorover 7 years ago
<i>and renaming the folder where extensions are stored—none of them worked.</i><p>Then where is it actually installed? Unless it&#x27;s doing something really rootkit-y (unlikely given that AFAIK Chrome&#x27;s extensions are just JS), monitoring file accesses would probably be sufficient to determine where it is and how to remove it. Unfortunately, I think this researcher just didn&#x27;t really try hard enough...<p><i>Removing the extension proved so difficult that he ultimately advised users to run the free version of Malwarebytes and let it automatically remove the add-on.</i><p>...of course, what better than to sneak in an advert for their product!<p><i>As Malwarebytes explained in late 2016, the forced install trick uses JavaScript to provide a dialog box that says visitors must install the extension before they can leave the page. Clicking cancel or closing the tab produces an unending series of variations on that message.</i><p>IMHO this is a sign that JS running on a page has been given too much power (and the reason I only let JS run on a whitelist.)<p>The other thing I find slightly off is that there&#x27;s been plenty of mention of how Chrome&#x27;s extension API is nowhere near as powerful as what the old Firefox extensions could do, and it&#x27;s a more walled garden, yet things like this are still reported.
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applecrazyover 7 years ago
Is it not possible to right click the extension in chrome:&#x2F;&#x2F;apps or the button in the toolbar and select &quot;Remove from Chrome...&quot;?<p>I previously had Stayfocusd and I blocked myself from uninstalling the extension (as a test) by blocking chrome:&#x2F;&#x2F;extensions, but then found a loophole using the method above.<p>Edit: Confirmed. What this article talks about is a total non-issue. All extensions can be removed by right-clicking their toolbar button (btw they HAVE to have a button) and selecting &quot;Remove from Chrome.&quot;
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j_sover 7 years ago
I am not sure if a &#x27;pro&#x27; version of Windows is required, but I&#x27;ve found adding a &#x27;Deny: Everyone&#x27; to NTFS permissions on required files comes in handy in situations like this.
sergersover 7 years ago
Not to defend Google, but I am sure there are alot of false malicious reports for many apps.<p>From competitors, trolls, and just random idiots...<p>I wonder if they flag it for review after X reports in Y time frame.<p>I wouldn&#x27;t expect immediate action, but 19 days is a bit much.<p>it does look pretty bad towards the end, that you can specify any site as the extensions website to make it look more official.<p>What I don&#x27;t understand is if they started chrome in another mode passing the executable arguments that should have disabled said extensions, how was it still redirecting the extensions management page?
dawnerdover 7 years ago
Sounds more like a sneaky paid ad for Malwarebytes to me...
undisruptorrrover 7 years ago
Breathless reporting about impossibilities should be reconsidered.<p>It’s not impossible to uninstall chrome and re-install it under a different path, and create an alternate OS user account on the same laptop or desktop, and log into that to effectively reset Chrome to its default state in a non-disruptive manner.<p>The unfortunate fact, however is that most people simply won’t do that because it’s too inconvenient, or users of a particular machine have been subjugated by system administrator overlords, as part of an organizational policy, and lack admin privileges to migrate to a fresh user account in part or in whole.<p>People also often tend to use the admin account unhygienically. Which is not actually much of a sin, as long as you enter into those activities with the mindset of anticipating a full reinstall at the operating system level.<p>...which of course won’t even kill the firmware implants that advanced persistent threats have dropped into your peripherals, via intel extensions commissioned by the NSA.