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Virus in Firefox Trunk Nightlies?

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Peter Lairo

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Dec 17, 2008, 11:55:46 AM12/17/08
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I am trying to download Firefox nightly trunk build and my virus scanner
(avast!) is claiming the file contains a virus! :-\

http://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/latest-mozilla-central/firefox-3.2a1pre.en-US.win32.installer.exe

Is it safe to ignore that warning, or has Mozilla.org gone rogue?
--
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Peter Lairo

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Peter Lairo

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Dec 17, 2008, 11:57:16 AM12/17/08
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On 17.12.2008 17:55, Peter Lairo wrote:
> I am trying to download Firefox nightly trunk build and my virus scanner
> (avast!) is claiming the file contains a virus! :-\

Name: Win32:Trojan-gen {Other}

Peter Lairo

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Dec 17, 2008, 11:58:48 AM12/17/08
to
On 17.12.2008 17:55, Peter Lairo wrote:
> I am trying to download Firefox nightly trunk build and my virus scanner
> (avast!) is claiming the file contains a virus! :-\
>
> http://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/latest-mozilla-central/firefox-3.2a1pre.en-US.win32.installer.exe
>
>
> Is it safe to ignore that warning, or has Mozilla.org gone rogue?

If I bypass the virus warning, I still can't install: "Error executing
program". :-(

Mike Beltzner

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Dec 17, 2008, 12:06:49 PM12/17/08
to Peter Lairo, dev-apps...@lists.mozilla.org
Hey Peter, Johnathan is looking into this right now, but based on
that, I'm guessing you got a garbled binary from a mirror which
tripped a false positive.

cheers,
mike

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> dev-apps-firefox mailing list
> dev-apps...@lists.mozilla.org
> https://lists.mozilla.org/listinfo/dev-apps-firefox

Johnathan Nightingale

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Dec 17, 2008, 12:14:16 PM12/17/08
to Peter Lairo, dev-apps...@lists.mozilla.org
This looks an awful lot like an erroneous fingerprint match.

> If I bypass the virus warning, I still can't install: "Error
> executing program". :-(


I don't have that problem downloading it here, so there may be some
mirror corruption or something going on. Having said that:

http://www.virustotal.com/analisis/9f0797cd4a413bd72da0dd3d6c817aa0

VirusTotal confirms that Avast and GData (and only those two) see
W32:Trojan-gen in it. That could be because they use the same
signatures (eSafe just says "suspicious") or because they're
particularly ahead of the curve, but no other scanners corroborate it.

Most importantly, though, whether it's a real concern or not, we're
tracking it in this bug: https://bugzilla.mozilla.org/show_bug.cgi?id=469988

Let's take the conversation there to avoid fragmenting it?

Cheers,

Johnathan

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> dev-apps-firefox mailing list
> dev-apps...@lists.mozilla.org
> https://lists.mozilla.org/listinfo/dev-apps-firefox

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Johnathan Nightingale
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Peter Lairo

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Dec 17, 2008, 12:16:31 PM12/17/08
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Benjamin Smedberg

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Dec 17, 2008, 12:20:16 PM12/17/08
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On 12/17/08 12:06 PM, Mike Beltzner wrote:
> Hey Peter, Johnathan is looking into this right now, but based on that,
> I'm guessing you got a garbled binary from a mirror which tripped a
> false positive.
>
> cheers,
> mike
>
> On 17-Dec-08, at 11:58 AM, Peter Lairo wrote:
>
>> On 17.12.2008 17:55, Peter Lairo wrote:
>>> I am trying to download Firefox nightly trunk build and my virus scanner
>>> (avast!) is claiming the file contains a virus! :-\
>>>
>>> http://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/latest-mozilla-central/firefox-3.2a1pre.en-US.win32.installer.exe

FWIW, ftp.mozilla.org is hosted entirely by Mozilla nowadays: it's only
releases.mozilla.org that is mirrored externally.

--BDS

Justin Wood (Callek)

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Dec 17, 2008, 11:29:31 PM12/17/08
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Unless I am mistaken, latest-mozilla-* is usually a symlink for the file
contained in the dated dir. And as new builds are uploaded the symlink
is also updated.

--
~Justin Wood (Callek)

Robert Kaiser

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Dec 18, 2008, 7:31:31 AM12/18/08
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Justin Wood (Callek) wrote:
> Unless I am mistaken, latest-mozilla-* is usually a symlink for the file
> contained in the dated dir. And as new builds are uploaded the symlink
> is also updated.

It's not a symlink, it's an actual copy of the file(s).

Robert Kaiser

Mike Beltzner

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Dec 18, 2008, 8:14:09 AM12/18/08
to Robert Kaiser, dev-apps...@lists.mozilla.org
Are today's nightlies (should be available shortly) still getting
flagged?

cheers,
mike

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