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Weird virus/adware showing on chrome...still there after uninstall/reinstall

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Weird virus/adware showing on chrome...still there after uninstall/reinstall Laurie Gold 8/26/13 11:30 AM
Chrome Version (type about:version into your omnibox): 29.0.1547.57
Operating System (Windows 7/8/Vista/XP, Mac, Linux, Android, iOS): iOS
Extensions (type Chrome:extensions into your omnibox): Add to Amazon, Autocomplete, DoShare,  dotdotdot, Extended Share for Google+, Pinterest Tool, RoboForm, SocialFixer for FB

My daughter borrowed my macbook pro before heading back to college. Ever since I'm getting weird ads all over the place on Chrome. I've attached a couple of screenshots showing the type of thing that keeps showing up, but sporadically. Please tell me what to do to get rid of this stuff short of no longer using chrome. It doesn't seem to be happening w/Safari.

Re: Weird virus/adware showing on chrome...still there after uninstall/reinstall Laurie Gold 8/26/13 11:36 AM
Another screenshot, as if the first two weren't enough. Wondering if this is associated with something on the Mac Security Blog at http://www.intego.com/mac-security-blog/cross-platform-adware-poses-as-flash-player-update/  (Cross-Platform Adware Poses as Flash Player Update)
Re: Weird virus/adware showing on chrome...still there after uninstall/reinstall caver_tim 8/26/13 1:44 PM
have you got any extensions installed.
and no i mean... check.... don't just assume :-)

Laurie Gold 8/26/13 2:00 PM <This message has been deleted.>
Re: Weird virus/adware showing on chrome...still there after uninstall/reinstall Laurie Gold 8/26/13 2:05 PM
I have Add to, Amazon, Autocomplete, DoShare,  dotdotdot, Extended Share for Google+, Pinterest Tool, RoboForm, and SocialFixer for FB. I thought by changing my plug-in settings to Click to Play, it would fix things. It did not. This is not only adding a bunch of ads, but slowing down load time tremendously.
Re: Weird virus/adware showing on chrome...still there after uninstall/reinstall caver_tim 8/26/13 2:25 PM
disable all your extensions that you've listed and see what happens
plugins are something else and i don't know what you mean by "click to play"
Re: Weird virus/adware showing on chrome...still there after uninstall/reinstall Laurie Gold 8/26/13 3:26 PM
The bad stuff is coming from cdn1.clkrev.com.

Click to play means that the plug-in won't actually play itself unless you click it. Which sounds find until you realize that you don't see what it is and so don't know if it's safe or not.

I will disable all the extensions and see what happens. I've also gone into all the settings and blocked cdn1.clkrev.com to see if that helps.

I'll report back.

Re: Weird virus/adware showing on chrome...still there after uninstall/reinstall Laurie Gold 8/26/13 4:34 PM
I think I have fixed the problem with all the things I did and what you suggested. I got rid of one extension that was not from the google chrome store and it made no impact. Now I've gone back through the plug-ins so that what I want to show does show. Keeping fingers crossed...
Re: Weird virus/adware showing on chrome...still there after uninstall/reinstall Laurie Gold 8/27/13 2:33 PM
I posted about this problem on Mac-Forums as well, and indicated I'd resolved it. The issue has apparently become quite bad in the past 48 hours, according to a digital publisher, and he asked me to go through my steps toward resolution. In case it'll help anyone else, I'm copying and pasting it here.

Uninstalling and reinstalling Chrome...didn't work
Blocked all images, which ruined the web experience.
Blocked all flash, which ruined the web experience.

Turned images and flash back on (after uninstalling and reinstalling the latter),
Viewed source code and noticed that whether image based or flash based, the same url appeared: cdn1.clkrev.com

I went through Privacy Content and tried to block clkrev.com...didn't work
Went back to the source code and picked up more of the url: cdn1.clkrev.com.

Used the format chrome asked for (reminiscent of DOS--*--) and typed this in for each block I set up: [*.]cdn1.clkrev.com.

I blocked that site in these areas:

Cookie and Site Data Exceptions
Images
Java Script
Plug-in exceptions
Pop-Ups.

Looked at all my plug-ins and extensions and first went through and disabled them. I noticed one extension for Pinterest that wasn't the "pin it" on my tool bar, and there was a notation that it was a third party extension, so I paid close attention when I disabled it. Then I started to add them back one by one, but deleted that third-party Pinterest extension entirely.

It took all of this to resolve the problem. I think the privacy content settings and that Pinterest extension issue were both involved because I don't remember installing it and it served no purpose.

Somewhere in there is the answer. It took the better part of five hours because at first I assumed it was a Mac issue and not a Chrome issue. Because nobody had any real advice, it was hit or miss. That stuff is awful.

Re: Weird virus/adware showing on chrome...still there after uninstall/reinstall Laurie Gold 8/27/13 2:34 PM