Found a Trojan that AntiVirus won't detect


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Ok, my friend called me today (thinks I know a lot about computers, plus the fact that I got Antivirus tools) said his computer won't boot into windows.

So, I went to help him out.

I check the virus, nothing found.

Since it won't boot into windows, I immediately checked the Windows boot files (he is using Windows 98)

And, there it is, inside MSDOS.SYS there is added entry

[paths]

winbootdir=0

Thankfully, it seems like the harm done was very little.

I even found out what program did it, it was a keygen!

HEHE, :D

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