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Ongoing efforts of hacking likely by printer + prob. rootkit virus now

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#1 fx2017


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Posted 10 November 2017 - 08:57 AM

Dear forum members,


I do have two items burning on my nails, but for which I found no infos yet on the net. It would be great if you could point me in the right direction!



The first is, that I assume that my Brother ink printer seems to be repeatedly attacked: It appeared as a distinct drive in the explorer, it tried to execute something with administrator rights without any prompt, becomes active on its own and so on. I read an article that printers were mass-hacked by a 15 year old some time ago and I guess it is something like this.

But I found nothing on how to disable WAN, bluetooth and other non-LAN interfaces. I have them at not activated in the printer menue, but if it's like the mobile phones then this means nothing. You likely have to deactivate some other services as well.

Do you have any suggestion how to prevent the printer being an open door?



The second is that I am likely now having a root virus or something of that calibre installed by the attackers. A short bar without window appeared for some time after windows surface started and then dissapeared. My outlook webexchange mail client started to act strange like dropping the html format for txt only or no longer holding mails under work. And finally, I have a brand new windows update waiting for me without any further information. Avira, Kapersky and Malaware found nothing.

I assume I have to reinstall. But how to defend against such directed hostile attacks? I had similar experiences earlier this year and re-installed as well. I can't hardly re-install every 6 months.



My system: WIN 7 all updated until 9.11.2017 for described reasons, former Avira/now Kapersky+Comodo Firewall

I use LAN for the PC and WLAN for other devices, the printer is connected by cable.



It would be great if some experts have some thoughts about this.


Thanks in advance and best regards




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#2 fx2017

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Posted 10 November 2017 - 09:09 AM

Some additional information: Remote printing services are always concerned by any system restore I did. Now, system restore does no longer work as the points have been disabled by making them unreadable. That is why I think it is a root kit.


I also observed that my PC did not go into sleeping mode during the night and, when checking, found that it was the printer preventing it. This behavior disappeared when reinstalling the printer software only to resume some time later.

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