Avast WEBforum
Consumer Products => Avast Free Antivirus / Premium Security (legacy Pro Antivirus, Internet Security, Premier) => Topic started by: exodius on December 02, 2013, 05:41:08 AM
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Hi,
7zip.exe detected as virus by avast. 7zip.exe is clean and trusted, why avast detects it as malware? I download it from here http://dl.7-zip.org/7z932.exe
Sample file: http://www.datafilehost.com/d/29bda322
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have you tested the file(s) at www.virustotal.com / www.metascan-online.com / www.jotti.org
You can upload files and report issues to avast here : http://www.avast.com/contact-form.php (select subject according to Your case)
You can use mail
send to virus@avast.com in a password protected zip file
mail subject: False Positive / undetected sample (select subject according to your case)
zip password: infected
or you can send files from avast chest
how to use the chest. http://www.avast.com/faq.php?article=AVKB21
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I have scan it online, no viruses found, here the results:
https://www.metascan-online.com/en/scanresult/file/90fcc84da4bf47a3b8a2e18cef1acf08
https://www.virustotal.com/id/file/88340e1a7565f3f1f60d01f9adcc1b41cca7f84a26c0384cba62f99d0fd46a97/analysis/1385958703/
http://virusscan.jotti.org/en/scanresult/588ec407c1dca807fc9e1e14c42cd652610b2757
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Strange, no warnings with my 7zip x64 here...
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I have reported it.
Looks like avast doesn't like the setup file for some reason |>$INSTDIR\ and subsequently 7z.exe. Now is it the $INSTDIR\ it doesn't like or 7z.exe which hasn't alerted on my system.
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Thanks David.
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Hopefully they will pick up on it as I reported it as a website alert with the link to the hXXp://dl.7-zip.org/7z932.exe file and a link back to this topic.
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Days ago, after examining the file via DeepScreen, Avast automatically put an exception for C:\(...)\7-Zip\7zG.exe in the DeepScreen exclusion list.
OS is Win XP Pro SP3.
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Web Shield scans don't incorporate the DeepScreen (which would put a heavy load on the system), also the file the web shield is alerting on within the installation file is 7z.exe.
Original alert:
02/12/2013 12:12:35 hXXp://dl.7-zip.org/7z932.exe|>$INSTDIR\7z.exe [L] Win32:Evo-gen [Susp] (0)
During subsequent scanning in the partial download file in the temp folder it found.
02/12/2013 12:20:14 C:\Documents and Settings\UserName\Local Settings\Temp\aw0b0noL.exe.part|>$INSTDIR\7z.exe [L] Win32:Evo-gen [Susp] (0)
02/12/2013 12:20:46 C:\Documents and Settings\UserName\Local Settings\Temp\aw0b0noL.exe.part|>$INSTDIR\7z.sfx [L] Win32:Evo-gen [Susp] (0)
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The 9.3 version is still alpha. Could be it is solved in the final release of zip.
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Just got an email response to my report:
Dear Customer,
Thank you for your e-mail and for using avast! as your antivirus solution.
Our virus specialists have been working on the problem and it's already fixed.
If I can be of further help in this matter, please do not hesitate to get in touch with me.
Regards,
Hopefully this will appear in a streaming update of the next VPS update.
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Just to avoid any possible confusion, I was talking about 7-Zip 9.20, the stable version.