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I downloaded QGIS 2.6.1-2 (Brighton) yesterday from OSGeo4W-setup-x86.exe using the advanced installation option on a machine running on windows 7 professional. The download worked Ok except for saga 2.1.2-1 which I was really looking for. At first the saga package was identified as malware and its download was blocked by my free Antivirus system (Avast). When I decided to disable the Antivirus for a few minutes to allow for the download it then worked fine. However, I felt uneasy about the whole thing so to check, I have run an antivirus scan and it identifies saga_gui.exe as Win32:Malware-gen. If instead I choose saga 2.0.8-5, I do not have this problem but I believe I need the 2.1 version to do add polygon attributes to points. Has anybody else experienced these issues? Is there a way around this?

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  • "OSGeo4W-setup-w86.exe", should it not be OSGeo4W-setup-x86.exe? Can you provide a link to where you downloaded the installer from please? Hopefully the moderators can identify the issue.
    – Joseph
    Feb 12, 2015 at 10:29
  • Apologies Joseph for a delayed answer. You are correct I did download 'OSGeo4W-setup-x86.exe' and not 'OSGeo4W-setup-w86.exe' as I mistakenly wrote. I will edit my question to get rid of the typo. I downloaded it from this link: trac.osgeo.org/osgeo4w. And I confirm that even when re-installing, saga_gui.exe was again identified as malware by Avast.
    – Lopaz
    Feb 23, 2015 at 15:56
  • Have you tried with a different antivirus software as well?
    – AndreJ
    Feb 23, 2015 at 16:01
  • No need to apologise Lopaz :) I do not use Avast so I cannot confirm this. As @AndreJ has mentioned, you could try using another antivirus software. It could be that Avast is set to a very sensitive heuristic setting which highlights a possible malware.
    – Joseph
    Feb 23, 2015 at 16:04
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    I occasionally have our corporate Symantec Endpoint virus software identify exe's as potential viruses. If I am confident that it is from a secure source, I just add an exception and the virus software just ignores it. Feb 23, 2015 at 17:49

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As an alternative, you can try the official SAGA download from

http://sourceforge.net/projects/saga-gis/files/

and see if your virus scanner likes that more. They already offer SAGA 2.1.4.

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