When I browse the Internet (in any browser), there are extra ads. I thought it could be on my computer, tried Ubuntu live disk, and even there were these ads. Same ads are on my iOS and Android devices too. I did a hard reset on my mobile devices, but that didn't help either.

I think these ads come from either my ISP or my router. Can I have a virus in my router? How can I check it? Are there any other possible variants?

  • nice welcome page you have on your website :) – user45139 Apr 29 '15 at 10:13
  • Have you enabled something like Mobile Bookmarks (are there Mobile Cookies too?)? Are the ads there when you're not going thru your router and ISP? – ott-- Apr 29 '15 at 10:39
  • @ott--, i solved it. They come from my ISP, i'm going to prosecute them. – rzaaeeff May 20 '15 at 14:02

You could check your DNS Settings on your router and may reset it or change it to an Open one (Google, OpenDNS,..).

Then you also need to prevent the attack from happening again. Measures to do that include:

  • performing a factory reset to clear any settings left by the attackers
  • installing the latest router firmware
  • using a strong password on the configuration interface
  • limit access to the configuration interface to appropriate places (wired, local connections, not the internet)
  • log out of the configuration interface after use (and do not tick 'save password' on your browser when configuring the router)
  • changing the IP addresses used and supplied by the router (for example change from to

posted by @James Snell

You can find some more information here: How to get rid of an Ad bot?

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Yes your router might be infected with a Malware.

The best way to find out is to disconnect your computer from the home network and connect to your mobile device using 3/4G (HotSpot)

If you can browse the internet without ads then I suppose your router is compromised.

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  • 1
    To do this test, they'd have to make sure the HotSpot was not provided by their own ISP. The OP indicated that the ISP might also be the source of the ads. – S.L. Barth - Reinstate Monica Apr 29 '15 at 8:56
  • Yes that is correct. – Michal Koczwara Apr 29 '15 at 8:57

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