Software updater snuck in a package that is unwanted

[Ralf Mardorf]

On Mon, 16 Oct 2017 19:34:19 -0500, C de-Avillez wrote:
>On Tue, 17 Oct 2017 06:51:01 +0800 Bret Busby wrote:
>
>> Apparently, this trojan horse has the effect that, to remove it, so
>> as to revert to manually performing upgrades (which is as it should
>> be), I have to wreck the system, by removing the desktop system and
>> the operating system core.  
>
>Wait. This is a serious assertion: that a security update is a trojan.
>
>So, first of all, what is the package? what is your Ubuntu version?
>Which repositories are active, and from where?
>
>Finally, what made you conclude it is a trojan, or any other type of
>malware?

To keep it short, if the OP should use any third party software, then
everything is possible, but the OP should inform the mailing list
about any installed third party package. If the OP should use software
from official repositories only, then we need to know which package from
official repositories seems to be malicious.