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Norton detected firefox installer as downloader!

I was to install firefox on my system, a new build, so i went on my D: drive and opened the folder of firefox, and Norton flaged the installer of firefox as 'downloader' , how is that possible..??

http://i248.photobucket.com/albums/gg181/sweetvivek007/Untitssled.jpg

Message Edited by silverhawk on 09-08-2009 06:13 PM
Genuine Windows 8.1 x64 Pro; NIS 2014; HP Pavallion G6 Notebook with AMD Core 2 Quad A10; 6 GB RAM; ; 1TB Western Digital HDD, AMD Radeon 2.5 GB Graphics Card

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Re: Norton detected firefox installer as downloader!

I was to install firefox on my system, a new build, so i went on my D: drive and opened the folder of firefox, and Norton flaged the installer of firefox as 'downloader' , how is that possible..??

http://i248.photobucket.com/albums/gg181/sweetvivek007/Untitssled.jpg

Message Edited by silverhawk on 09-08-2009 06:13 PM
Genuine Windows 8.1 x64 Pro; NIS 2014; HP Pavallion G6 Notebook with AMD Core 2 Quad A10; 6 GB RAM; ; 1TB Western Digital HDD, AMD Radeon 2.5 GB Graphics Card
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Re: Norton detected firefox installer as downloader!

I ran full system scan, and here is the log of my system, there is no other threat..

Scan Stats:
  Scan Time: 666 seconds
  Scan Options:
  Scan Targets: C:\, D:\, E:\, F:\
  Counts:
   Total items scanned: 199,581
   - Files & Directories: 196,141
   - Registry Entries: 232
   - Processes & Start-up Items: 3,065
   - Network & Browser Items: 139
   - Other: 4
   - Trusted Files: 1,725
   - Skipped Files: 19,280

   Total security risks detected: 1
   Total items resolved: 1
   Total items that require attention: 0

Resolved Threats:
Tracking Cookie
 Type: Anomaly
 Risk: Low (Low Stealth, Low Removal, Low Performance, Low Privacy) 
 Categories: Cookie
 Status: Fully Resolved
 -----------
 2 Tracking Cookies
Cookie:vivek@atdmt.com/ - Deleted
 - Deleted


Unresolved Threats:
No unresolved risks

Message Edited by silverhawk on 09-08-2009 06:23 PM
Genuine Windows 8.1 x64 Pro; NIS 2014; HP Pavallion G6 Notebook with AMD Core 2 Quad A10; 6 GB RAM; ; 1TB Western Digital HDD, AMD Radeon 2.5 GB Graphics Card
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Re: Norton detected firefox installer as downloader!

Hi silverhawk,

Do you remember where you downloaded the Firefox setup.exe from?

Perhaps try another download and check it out.

"Anyone who isn't confused really doesn't understand the situation."   Edward R. Murrow
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Re: Norton detected firefox installer as downloader!

HI Silverhawk,

Did you download the Firefox setup file from legitimate Web site or Authorized Mozilla Web site?

The file name shown in the screenshot arises this doubt, it should be Firefox Setup 3.5.2.exe and not firefox setup 3.5.2.exe. If you are sure about the authenticity of the file/files, and confident that it is a false positive, then submit that file to Symantec:

https://submit.symantec.com/false_positive/index.html

If those files are identified as proper false positives by Security Response, necessary update patches will be released to avoid misidentification of those legitimate files. In mean time, disable Auto-Protect, add the respective exceutable file(.exe) to the file exclusion list and then re-enable the AutoProtect back.

Yogesh

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Re: Norton detected firefox installer as downloader!

I tried to download from mozilla.com the official site for firefox, and again i got downloader detected..!! see yourself, i tried to download it again by my IE 8..

http://i248.photobucket.com/albums/gg181/sweetvivek007/again.jpg

Message Edited by silverhawk on 09-08-2009 07:10 PM
Genuine Windows 8.1 x64 Pro; NIS 2014; HP Pavallion G6 Notebook with AMD Core 2 Quad A10; 6 GB RAM; ; 1TB Western Digital HDD, AMD Radeon 2.5 GB Graphics Card
好评0

Re: Norton detected firefox installer as downloader!

Here is my another try..i think someone should check and tell me, are you all getting the same thing..

http://i248.photobucket.com/albums/gg181/sweetvivek007/onceagain.jpg

Genuine Windows 8.1 x64 Pro; NIS 2014; HP Pavallion G6 Notebook with AMD Core 2 Quad A10; 6 GB RAM; ; 1TB Western Digital HDD, AMD Radeon 2.5 GB Graphics Card
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Re: Norton detected firefox installer as downloader!

just downloaded it from firefox.com - NIS didn't see any threats
----------------------------------NIS 20.2.1.22Windows 7 64bit
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Re: Norton detected firefox installer as downloader!

The same thing happened to me today.  I downloaded Firefox 3.5.2 yesterday from the official website via one of the mirrors (only remember it being a ".com" address).  Installed Firefox yesterday.  Updated Norton NIS 2009 and performed full system scan with nothing detected.  This morning when I simply clicked on the download folder in which I had placed the Firefox installer file, Norton flagged a "downloader" threat and removed the Firefox installation file and browser cache.
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Re: Norton detected firefox installer as downloader!

Same here, downloaded (with Firefox) Dutch version via www.mozilla.com and from mirror mozilla.bit.nl; no threat, so no downloader identification

Grtz,  Hugo

Message Edited by hvgsel on 08-09-2009 05:53 PMMessage Edited by hvgsel on 08-09-2009 05:54 PM
W10 Fall CU / W10 Insider / IE11 and FF 56 & 57, TB 52.5, NS 22.11.2.7, (Android 4.2 with NMS)
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Re: Norton detected firefox installer as downloader!

I could confirm: NIS 2009 report about Downloader when I dowloaded firefox setup from www.mozilla.com

another AVs also report about infection http://www.virustotal.com/analisis/85193b13fec35ee5eef405346469d847118873eaed9d22ccf6068506ee5dd82e-1252426793

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Re: Norton detected firefox installer as downloader!

The US English version of the Firefox 3.5.2 Installer downloaded from www.mozilla.com still yields a false positive in NIS 2009 with the latest pulse updates. This is as of 4:30 pm UTC, Sep 08

This file is genuine and not infected as verfified by other scanners (Mc Afee Virus Scan Enterprise 8.7i and Kaspersky)

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Re: Norton detected firefox installer as downloader!

Confirmed here - NAV detected firefox intaller as 'downloader' on two different computers.  File downloaded from official mozilla download site.
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Re: Norton detected firefox installer as downloader!

Hey I also have had NIS 2k9 find Firefox setup to be a trojan downloader, and I also downloaded the setup file directly from Mozilla.com

I was wondering if this is truly a false positive or is it something I should be worried about. The file was downloaded on aug 3rd, and I installed FF 3.5.2 on the same day, so this would have been going on for a while. I don't suppose someone from Symantec could say either way for verification. This has me a bit rattled. Been having a bit of a weird time on the machine lately and worried that it wasn't a bad program instal but a virus intead...

Any help appreciated...

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Re: Norton detected firefox installer as downloader!

This is truly a false positive, which should be resolved with current definitions.  There was a compromised and corrupted version of this installer going around, and the detection was too broad.  If you download the firefox installer from firefox.com and its official mirrors, you should be fine.  If you downloaded it from a less official source, best to throw it away and download it from firefox.com.

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Re: Norton detected firefox installer as downloader!

Weird that the Dutch official download does not cause any troubles.
W10 Fall CU / W10 Insider / IE11 and FF 56 & 57, TB 52.5, NS 22.11.2.7, (Android 4.2 with NMS)
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Re: Norton detected firefox installer as downloader!

Re: My previous (Post 8 in this thread)

A few more thoughts on this. 

I scanned the downloaded Firefox installation file immediately after I downloaded it.  Norton reported nothing.  I executed the Firefox file.  Norton reported nothing.  The Firefox file sat on my computer as Norton NIS 2009 executed a full system scan.  Again Norton reported nothing.   Finally, when I clicked on the folder containing the Firefox file, Norton Auto-Protect flagged a "downloader" threat.

 If anyone from Norton can explain this seemingly inconsistent NIS 2009 behavior, I would appreciate it.  Thanks.

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Re: Norton detected firefox installer as downloader!

hi, i think that mozilla website is been hacked,because i have download it with NIS 2008.it detected as downoloader.and the firefox file set up file is downloadded as suspicies name.
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Re: Norton detected firefox installer as downloader!

Chartsurgeon,

How much time was there between the events you mention?  It is possible that a new virus definitions update or pulse update that contained the false positive detection was installed just before you clicked on the Firefox installer folder.  

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Re: Norton detected firefox installer as downloader!

@ravi4989

No, the site was not hacked. Most files on mozilla.com are mirrored elswher and double or triple checked for viruses. For instance in Switzerland the university network switch is the official mirror and that file gets flagged too.

More proof to the point is that I had made the upgrade from Firefox 3.0 directly to 3.5.2 and the setup file had been sitting in my archive folder since then, triggering no NIS warning until yesterday (Sep 8, 09). No other scanner I have access to reports the FF3.5.2 setup file as infected, Not McAfee Virus Scan Enterprise, not Kaspersky, not Avira, not f-Secure.

@Chartsurgeon

It is very well possible that a new pulse update with the bad signature was downloaded juit before your last action. As I said  the file had triggered no warning for weeks until yesterday and i have verified that it was untouched via its file hash.

@hvgsel 

 Not that's not really weird I have found that only the US-English installer seems to trigger the warning, not german, french, italian. Reason for this being that the different language packs obviously change the package enough to not  trigger the false postivie.

Oh and by the way. I tried to report the false positive yesterday, through support chat. BIG, BIG MISTAKE!

The incompetent fool in the outsourced support center in probably India did not seem to comprehend the concept of "FALSE POSITIVE".

Neither did he comprehend the fact that only the FF 3.5.2 setup file was affected and not the installed copy of the browser. So in a remote session he COMPLETELY WRECKED MY FF3.5.2 installation, by installing Firefox 1.0.6 (yes one.zero.six!!!!) over it. 

He then kept going "But I have resolved your issue, no?" and I kept repeating "No you haven't even understood the issue, but you have completely screwed up my FF installation!" Needless to say that he ignored my requests for an address to complain about him to or to turn me over to his supervisor.

Worst support experience I have had in ages.

NEVER, I mean NEVER let an outsourced Symantec support humanoid connect to your PC if you still need it for anything. They just happily click around, oblivious to the consequences and don't even tell the user what they are about to do.

I eventually disconnected the support session before he could do more damage to my system.

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Re: Norton detected firefox installer as downloader!

Firefox site is not hacked, it's a glitch in virus definitions.....i think symantec people are not sleeping on this issue..!!!!!!!
Genuine Windows 8.1 x64 Pro; NIS 2014; HP Pavallion G6 Notebook with AMD Core 2 Quad A10; 6 GB RAM; ; 1TB Western Digital HDD, AMD Radeon 2.5 GB Graphics Card
好评1 Stats

Re: Norton detected firefox installer as downloader!

I will state again that there was a false positive detection on the firefox installer.  If you got this from a firefox installer you downloaded from an unofficial site, it may have been a true detection and it is safest to just download it again from firefox.com.

 Kiltbear, I'm sorry to hear of your bad support experience.  I will relay your feedback to the VP of support.

Brendon Woirhaye

Symantec Corporation

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Re: Norton detected firefox installer as downloader!

Hello bwoirhaye,

It is now rectified, i mean firefox detection as downloader, and regarding the worst support, it had happened last to last year, now things might have changed,.no need to worry bwoirhaye ..May now Symantec's support would be best out there..So never mind about the support problem i had and this firefox problem is fixed so need to worry, everything is cool and calm now..!! Symantec has quickly taken action on my every problem, and nowi have no complaints.

And as i feel the best support for anything is this community forum..

Thanxxxxxxxx

Message Edited by silverhawk on 09-09-2009 10:37 AM
Genuine Windows 8.1 x64 Pro; NIS 2014; HP Pavallion G6 Notebook with AMD Core 2 Quad A10; 6 GB RAM; ; 1TB Western Digital HDD, AMD Radeon 2.5 GB Graphics Card

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