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Since yesterday, most of users in our region and as far as I know, many other peoples received a lot of link redirection. most of these redirection are going to adfoc.us website. this redirection happens after going to page (not exactly as you go to page) and new URL have no "Back" button.
I understood that the URLs which didn't visited yet are redirecting to adfoc.us websites so if we visit URL A and see the adfoc.us advertising once, we won't see it again if we go to URL A again.

What is the problem and how can I fix it? I use Windows 7 and Google Chrome browser and tried these:

  • Scanning whole my drive for virus and other bad wares
  • Disabling plug-ins and extensions
  • Clearing DNS cache and other caches
  • Using different DNS servers

Redirection example:
Original URL: http://isthisretina.com/
Redirected URL: http://adfoc.us/serve/?id=25497650908175

I also tried to ping the pages I never visited before like linuxmint.com here are the results:
Linuxmint.com: [213.175.215.218] Packets: Sent = 33, Received = 33, Lost = 0 (0% loss)
comodo.com: [91.199.212.176] Packets: Sent = 33, Received = 33, Lost = 0 (0% loss)

And also note that this redirections are stopped 3 hours ago and I don't know is it only for me or for other users, they stopped to.

Amirreza Nasiri
  • 3,120

3 Answers3

1

Google helped me: Some pages in Chrome always redirect to ransom page at http://system-check-fyeltkhn.in

Your router has been hacked and you need to fix your dns and upgrade the firmware

Community
  • 1
Stark
  • 11
0

There are three thing you can do.

Try another browser. If it doesn't work... Try using a different DNS... like a public DNS such as 8.8.8.8 or 8.8.4.4 or using a VPN service with your browser like zenmate (Zenmate is a pluging for chrome)

Are all of the people using the same ISP as yours?

Kunwar
  • 495
0

Check both extension and plug-ins whether any recently installed plug-in is causing the issue.

To delete any extension follow the below path:

Chrome menu icon > More tools > Extensions > delete extensions

To disable unwanted plugins go to chrome -- plugins and disable it.

BDRSuite
  • 6,378