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I installed an app from an untrusted source? What to do now?

rated 0 times [ 2] [ 0] / answers: 1 / hits: 528 / 2 Years ago, fri, february 4, 2022, 12:07:28

As an Ubuntu/Linux newbie, I am not exactly accustomed with security.
I tried to install Gimpshop from this URL: http://www.ubuntugeek.com/images/gimpshop_2.2.11-1_i386.deb

It was processed by Ubuntu Software Center, but before the end, it disappeared from Ubuntu Software Center and also from my Download folder.

I'm afraid I allowed a virus or something dangerous onto my computer... What can I do now?

Is there a security software I could run to get rid of this? How to know if the package was harmful or not?

Thank you very much in advance.

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sator

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3 Years ago

answered 2 Years ago altybol · Accepted Answer

Gimpshop is just a little bit modified version of Gimp for Windows and Mac.

On Ubuntu, please just use the plain Gimp which is packaged fine in the main repositories and available straight form the Software Centre.

The package you downloaded appears to be a very blunt single package of Gimp 2.2 (really old!), built in 2006 (!) with all its dependencies in it. The README files reads

The GNU Image Manipulation Program Version 2.2

This is version 2.2 of The GIMP.

It looks harmless by looking at the content.

It has no install script hooks (preinst, postinst, etc.) in place. This means it's just a simple unpacking of files.

The above makes it very clear: it's not responsible for removing the package from your download folder.

The binaries themselves are hard to check. If you haven't run the program then you don't have to worry about it.

The quality of the package is really poor and it appears to be built by a very simple "checkinstall" script. This may explain why Software Centre wasn't able to handle it properly.

So, just remove it completely using your package management:

sudo apt-get remove --purge gimpshop