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Date: Tue, 20 May 2014 01:26:45 +0400
From: Andrey Repin <anrdaemon AT yandex DOT ru>
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Message-ID: <1217599850.20140520012645@yandex.ru>
To: Robert Pendell <shinji+cygwin AT elite-systems DOT org>, cygwin AT cygwin DOT com
Subject: Re: setup-x86.exe has virus and is blocked by Malware Detectors
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Greetings, Robert Pendell!

>>>> I agree, it probably does not have a virus; but it has a virus signature.
>>>
>>>This is covered in the FAQ at http://cygwin.com/faq.html#faq.setup.virus
>>
>> Thanks for pointing that out.  I should have remembered the FAQ.

> It is actually flagging the fact that setup.exe is packed using upx
> since at one point (or maybe still) virus authors had packed their
> binaries with upx in order to try to evade scanners.  Upx in itself
> though is not a virus and the false flag should probably be removed by
> the antivirus company.

More so, normal (i.e. modern) antivirus scanners are capable of unpacking UPX
archives since... I really can't remember, most of the scanners I've been
working with were capable of that in '95. May be earlier.
Blatantly marking anything that is packed with UPX as a malware is... telling
us so much about the quality of scanner code and sanity of it's authors.


--
WBR,
Andrey Repin (anrdaemon AT yandex DOT ru) 20.05.2014, <01:24>

Sorry for my terrible english...


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