After download of FireFox, VTZilla found a virus Trojan/Win32.Occamy
Hello, after download of firefox, VTzilla has found a virus: 1/ link of the downloaded file: https://www.mozilla.org/en-US/firefox/all/ Language: French for Windows 64-bit Note: I have tried to download in the same page the file in language English (British) for Windows 64-bit, VTZilla found the same virus
2/ Rapport of VTZilla: VTZilla use 65 anti virus, only the anti virus Antiy-AVL found a virus: Trojan/Win32.Occamy
One engine detected this file SHA-256 9734073d0dc233d0c260b8e40178010c1c2bf58bede57dd81e33f17eacefd6dd File name 7zS.sfx File size 37.75 MB Last analysis 2018-09-01 12:46:41 UTC
Maybe is this a false alarm of this anti virus Antiy-AVL, ... maybe not.
Thank you for you answer. Best Regards.
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McCoy said
barramon saidafter download of firefox, VTzilla has found a virus: 1/ link of the downloaded file:
https://www.mozilla.org/en-US/firefox/all/That's the official site to download Firefox .......
Maybe is this a false alarm of this anti virus Antiy-AVL, ... maybe not.No "maybe " !
Personal note :
With Windows Defender and a safe browser (Firefox of course) it's like being in Fort Knox.
But again : this is my personal opinion.
Please see :
Thank you McCoy for your reply and for the links that you have sent, I have readen both and it's very interesting, I am also more confortable in my choice to utilise Defender as an anti virus.
Best regards
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Not a FF issue but your security program issue. I have no trouble download and installing FF EN from that site.
barramon said
after download of firefox, VTzilla has found a virus: 1/ link of the downloaded file:
https://www.mozilla.org/en-US/firefox/all/
That's the official site to download Firefox .......
Maybe is this a false alarm of this anti virus Antiy-AVL, ... maybe not.
No "maybe " !
Personal note :
With Windows Defender and a safe browser (Firefox of course) it's like being in Fort Knox.
But again : this is my personal opinion.
Please see :
WestEnd said
Not a FF issue but your security program issue. I have no trouble download and installing FF EN from that site.
Thank you WestEnd for your answer, I was concerned that the file to be downloaded was infected. Best regards
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McCoy said
barramon saidafter download of firefox, VTzilla has found a virus: 1/ link of the downloaded file:
https://www.mozilla.org/en-US/firefox/all/That's the official site to download Firefox .......
Maybe is this a false alarm of this anti virus Antiy-AVL, ... maybe not.No "maybe " !
Personal note :
With Windows Defender and a safe browser (Firefox of course) it's like being in Fort Knox.
But again : this is my personal opinion.
Please see :
Thank you McCoy for your reply and for the links that you have sent, I have readen both and it's very interesting, I am also more confortable in my choice to utilise Defender as an anti virus.
Best regards
Hi, there will always be false/positives also more chance of a error with that number if scanners. https://www.virustotal.com
I will say that if you have something already on your system by installing or updating it is possible to set it loose. When in doubt https://www.malwarebytes.com/
7zS.sfx is the 7-ZIP self extractor stub from 7-ZIP that is used by Mozilla to pack the actual Firefox program with the 7-ZIP archive utility. Apparently VTZilla doesn't like this 7-ZIP stub and flags all applications as viruses.
A small number of Antivirus like Antiy-AVL, Norton and Cylance has done false positives with Firefox on Windows including on virustotal over the years.
Pkshadow said
I will say that if you have something already on your system by installing or updating it is possible to set it loose.
WestEnd said
Not a FF issue but your security program issue. I have no trouble download and installing FF EN from that site.
Not due to any malware on Windows as for example Antiy-AVL is doing a false positive with the French Win64 Firefox 61.0.2 on https://www.virustotal.com/#/file/9734073d0dc233d0c260b8e40178010c1c2bf58bede57dd81e33f17eacefd6dd/detection
It is having a issue with 7zS.sfx as cor-el mentioned if you look in details.
VTzilla is a extension for Firefox for the VirusTotal. https://www.virustotal.com/en/documentation/browser-extensions/
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Pkshadow said
Hi, there will always be false/positives also more chance of a error with that number if scanners. https://www.virustotal.com I will say that if you have something already on your system by installing or updating it is possible to set it loose. When in doubt https://www.malwarebytes.com/
Thank you Pkshadow for your answer.
cor-el said
7zS.sfx is the 7-ZIP self extractor stub from 7-ZIP that is used by Mozilla to pack the actual Firefox program with the 7-ZIP archive utility. Apparently VTZilla doesn't like this 7-ZIP stub and flags all applications as viruses.
Thank you cor-el, this is a good hypothesis.
James said
A small number of Antivirus like Antiy-AVL, Norton and Cylance has done false positives with Firefox on Windows including on virustotal over the years. Pkshadow saidI will say that if you have something already on your system by installing or updating it is possible to set it loose.WestEnd said
Not a FF issue but your security program issue. I have no trouble download and installing FF EN from that site.Not due to any malware on Windows as for example Antiy-AVL is doing a false positive with the French Win64 Firefox 61.0.2 on https://www.virustotal.com/#/file/9734073d0dc233d0c260b8e40178010c1c2bf58bede57dd81e33f17eacefd6dd/detection
It is having a issue with 7zS.sfx as cor-el mentioned if you look in details.
VTzilla is a extension for Firefox for the VirusTotal. https://www.virustotal.com/en/documentation/browser-extensions/
OK Thank you James, I think that the answer is clear now.
Thank you to every body for your help.
cor-el said
7zS.sfx is the 7-ZIP self extractor stub from 7-ZIP that is used by Mozilla to pack the actual Firefox program with the 7-ZIP archive utility. …
Defocusing from Firefox, https://github.com/4ian/GDevelop/issues/88#issuecomment-81366849 (2015-03-16) observed:
7zS.sfx is used to create Windows executable that can extract their own contents in a temporary folder: …
7zS.sfx also featured in Mozilla bug 1468067 - Firefox installer doesn't pass VirusTotal test.
An older bug, unassigned: 1199754 - Let's stop packing Windows installer with UPX.
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