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I have attempted to debug a brand-new Visual Basic .Net WinForms project, and AVG claims that it is infected with 'Trojan Horse Generic22.CJEV'. What is this!? Why is it happening? Is it a false detection?

AVG opened Resident Shield and complained about this file path:
C:\Users\(My Username)\AppData\Local\Temporary Projects\TinyLittleNotes\obj\x86\Debug\TinyLittleNotes.exe

I am running Windows 8 on a 32-bit Centrino Duo.

Posted 21-Nov-12 6:52am
Thomas D [ProgramFOX] 21-Nov-12 13:07pm
Sometimes, virus scanners do weird things.
Once, my virus scanner blocked my program.
My program didn't more then drawing a 3D cube.
lewax00 21-Nov-12 13:21pm
By "brand new" do you mean you created an empty project, or you opened an existing project you downloaded from somewhere else?
Sergey Alexandrovich Kryukov 21-Nov-12 22:38pm
Did you fresh built it, or downloaded executables? The difference is important!
Jason Gleim 22-Nov-12 0:20am
It's probably because an exe suddenly appeared in your AppData path. The bad guys like to download their trojans into AppData so they avoid the temp internet location and because they don't (yet) have elevated permissions to install to %windows& or program files. AVG probably just tripped on its heuristics filter when it saw the exe appear. Assuming you did a fresh build it would seem to be a false alarm.

I'm not familiar with AVG but most of them have the ability to ignore specific folders or files. You might also try putting your projects in the documents branch... the scanner won't get so mad at exe's popping up then.

1 solution

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Solution 1

You never know. Your machine could really be infected. I would suggest scanning the entire machine is another anti-virus product and see what it says.

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