virus warning big RED page wanting me to call phone # for tech support help

I get this problem 

but ONLY when I go to yahoo .   It's always a big red page warning me I may be infected, etc. and wanting me to call such and such number.

I know it's b.s. and never call the number. 

I don't look at the page  very long and just close it out ( sometimes have trouble closing it out though ) so can't give you  more specific details .

I have and run Malwarebytes...not finding any issues.  I also run superantispyware frequently and find very few, if any, issues when I run it.

Windows 10 here, using google chrome  with Avast anti virus. 

Thanks if anyone can tell me how to stop this annoying ad ! 

 

Question Info


Last updated January 30, 2020 Views 4,262 Applies to:

It's a tech support popup scam.  It's being encountered by multiple users using different computers (myself included) but Yahoo claims it's not a problem with their site.  

Did you seek advice from the Avast Forum?

https://www.avast.com/support

https://forum.avast.com/

See Beware of Phony Tech Support Scams

And

https://www.microsoft.com/en-us/wdsi/threats/support-scams

Did you close the browser (using Task Manager if necessary)? Often that will eliminate the issue. Occasionally you may need to just do a hard shutdown (power off) and then restart the computer. When you open the browser again do NOT restore the previous browsing session.

Any new browser extensions that need to be disabled/removed?

Suggest empty temporary internet files, restart the computer and run a Quick Scan with your antivirus program.

If you cannot resolve this issue see this free multi-step removal guide from Malwaretips.com: https://malwaretips.com/blogs/remove-tech-support-scam-popups/  You may not need to use Hitman Pro (available if needed as 30 day trial) but you may need to reset your browsers.

https://malwaretips.com/blogs/reset-internet-explorer-settings/

https://malwaretips.com/blogs/reset-chrome-settings/

https://malwaretips.com/blogs/reset-firefox-settings/

http://www.howtogeek.com/237527/how-to-reset-microsoft-edge-in-windows-10/


Regards...

http://blog.emsisoft.com/2015/01/27/top-10-ways-pups-sneak-onto-your-computer-and-how-to-avoid-them/

MVP Consumer Security 2014-2016
Windows Insider MVP 2016-2018

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thank you for getting back to me Le Boule. 

I haven't asked at Avast forums because I've just had Avast on here for about a month.

Had McAfee before Avast and it happened while I had that also.

 However, I will mosey over there and see what those folks at Avast say.

I do honestly believe Yahoo has a major issue on their website, at least that's my thoughts since I don't have this problem anywhere else while surfing the web other than there.

I appreciate all the links you left for help...I need to muddle through them and see if I can manage to do any of that , am not an advanced computer user by any means , just moderate.

Checked my browser extensions, all look good there. 

I have closed the browser but not via task manager, have done hard shutdowns & empty my temps. on a regular basis.

Also run virus scans every time after  it happens, plus some. 

Thanks again, will keep checking out the links you left.

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I've done the same things you have.

Received it on different computers, different operating systems and while using different AV programs. I'm aware of others with the same problem plus I've read complaints about the issue on the forums.

I think it's a problem on the Yahoo site but Yahoo has sent me an e-mail saying my computer must be infected because there is "no malware" on their site.  

So far I've been able to close the popup down without a major problem.

Regards...

MVP Consumer Security 2014-2016
Windows Insider MVP 2016-2018

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It most def. seems to be a problem with the yahoo site.

For now  I've  found the below info. at the yahoo community forum ( which I normally take a lot of info there with a grain of salt ) but it seems to be working when I go to logon to my mail account there. 

I STILL stay away from all the news articles there , just to be safe. 

Yahoo needs to get on this problem asap....for sure they have had many  heads up about it, you would think.

https://forums.yahoo.net/t5/Account-security/Security-Alert-Virus/td-p/311889/page/3

Per roller2442:

"I 

 have had this reoccurrring issue with google chrome.

Also in Yahoo Mail. 

Try this. For Chrome

Open Settings (3 vertical dots at top right adjacent to browser address bar)

Click on Advanced (bottom of settings page)

Click on Content Settings (in the Privacy and Security Settings)

Click on  <> JavaScript

Click on ADD on the right side of BLOCK

add yahoo.com

 

I have done this and havent seen the Security Popup yet "

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While I have EDGE opening up as my browser, I have followed your suggestion on blocking within the Google settings, thanks for assistance.

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There are dozens of posts about this over at the Yahoo support page. As with most support, they just offer canned responses. Since this only happens on Yahoo and/or Yahoo mail and is intermittent, it is almost certainly one of their ads that is causing it. I have found that Yahoo is the absolute worst of the major players about vetting who they sell ad space to. Since Yahoo fails to acknowledge, must less solve the problem, my solution is to leave Yahoo and not go back. 

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Thanks

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There are dozens of posts about this over at the Yahoo support page. As with most support, they just offer canned responses. Since this only happens on Yahoo and/or Yahoo mail and is intermittent, it is almost certainly one of their ads that is causing it. I have found that Yahoo is the absolute worst of the major players about vetting who they sell ad space to. Since Yahoo fails to acknowledge, must less solve the problem, my solution is to leave Yahoo and not go back. 

Well, the MSN news portal is actually giving Yahoo a pretty good run for its money. And if we look back a few years, we can see that these malvertising campaigns are seldom confined to a single player – most likely because the ads are being sourced from a common supplier. So if this trend isn't halted shortly, there wont be any safe place left to go on the internet:

 

https://answers.microsoft.com/en-us/protect/forum/protect_other-protect_scanning-windows_7/google-chrome-critical-error-red-screen/052123a3-ef9f-4561-a91a-79e43c9b6a4c

 

https://www.bleepingcomputer.com/news/security/malvertising-group-spreading-kovter-malware-via-fake-browser-updates/

 

 

GreginMich

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