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Qt 5.6.0 MSVC2015-32bit package detected as virus by avast AV

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5.6.0msvc201532bitdownloaderror
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  • K Offline
    K Offline
    Keyos
    wrote on last edited by
    #1

    When i try to add QT 5.6.0 MSVC2015-32bit from maintenance tool or online installer i get an error saying it's unable to download the archive:
    http://download.qt.io/online/qtsdkrepository/windows_x86/desktop/qt5_56/qt.56.win32_msvc2015/5.6.0-1qtsvg-Windows-Windows_10-MSVC2015-Windows-Windows_10-X86.7z

    If i try to download manually from a browser avast AV raise a warning about a possible infection and block the download detecting it as: Win32:Evo-gen [Susp]

    I got the same problem on 3 different pc running Win7, Win10 and WinXP, during the last month, all of them have avast AV.

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    • jsulmJ Offline
      jsulmJ Offline
      jsulm
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Disable Avast and try again

      https://forum.qt.io/topic/113070/qt-code-of-conduct

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      • K Offline
        K Offline
        Keyos
        wrote on last edited by
        #3

        Disabling the AV during the installation allow the maintenance tool to properly install the MSVC2015-32bit package, but as soon as you enable the AV when the installation is done the file:
        C:\Qt\5.6\msvc2015\bin\Qt5Svgd.dll
        is detected as a virus and deleted again

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        • jsulmJ Offline
          jsulmJ Offline
          jsulm
          Lifetime Qt Champion
          wrote on last edited by
          #4

          I never used Avast but I'm sure you can tell it to ignore some files. Check Avast documentation.

          https://forum.qt.io/topic/113070/qt-code-of-conduct

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          • K Offline
            K Offline
            Keyos
            wrote on last edited by
            #5

            Thank you for your attention, yes i know how to exclude particular files in the av, but i wanted to report this behaviour as i'm not sure if it's avast or qt fault regarding this particular file, could be a false positive, but i have no knowledge to say that.

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            • jsulmJ Offline
              jsulmJ Offline
              jsulm
              Lifetime Qt Champion
              wrote on last edited by jsulm
              #6

              It is for sure false positive. But you can upload this file to https://www.virustotal.com/ to check it with other AV engines.
              I already noticed that Avast is mentioned often in this forum, somehow it doesn't like Qt :-)

              https://forum.qt.io/topic/113070/qt-code-of-conduct

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              • K Offline
                K Offline
                Keyos
                wrote on last edited by
                #7

                Last week i sent a "false positive" report to avast av and now looks like the MSVC2015-32bit package is not blocked anymore

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