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Possible router infection

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#1 BabylonHoruv


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Posted 28 July 2014 - 12:59 PM

So can a virus take hold in the router? I have noticed odd drops in bandwidth for my entire household that usually only last a few seconds, as well as strange behavior from our smart TV.  The TV had a still image of an ad for autotrader.com as the default image instead of the standard blank screen when the cable box was turned off and nothing else was being displayed.  This has since ceased and returned to the standard blank screen.

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#2 Didier Stevens

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Posted 28 July 2014 - 01:53 PM

It can, but such malware is always specific to a router model.


What happens more, is that the router is reconfigured with a DNS under the control of criminals.


What router model do you have? Have you change the default password?

Didier Stevens

SANS ISC Senior Handler
Microsoft MVP 2011-2016 Consumer Security, Windows Insider MVP 2016-2019


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#3 Kilroy


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Posted 28 July 2014 - 09:17 PM

There are certain routers with known issues that can be compromised from the Internet side.  Chances increase if you left the default password for the router.  You should probably check to see if there is a firmware update for your router.  If there is, see what issues are fixed by the update and update your firmware accordingly.

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