file is not an archive

Discussion in 'NOD32 version 2 Forum' started by FanJ, Dec 20, 2009.

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  1. FanJ

    FanJ Updates Team

    Joined:
    Feb 9, 2002
    Posts:
    4,638
    Hi,

    What does this warning mean, after having done a full scan, and why do you get such a warning?

    D:\Express Assist\Version 10\ea10setup.exe »INNO »files.info - file is not an archive

    It's the setup file for the new Express Assist version 10:
    http://ajsystems.com/expressassist/eadnload.html

    MD5 checksum:
    The file D:\Express Assist\Version 10\ea10setup.exe has the following Checksum(s)
    MD5 - 55E58AEA03DB22356E118021C14CD884

    =====

    XP-home SP3, IE6, Dutch.

    NOD32 (version 2) info:

    NOD32 antivirus system information
    Virus signature database version: 4702 (20091219)
    Dated: zaterdag 19 december 2009
    Virus signature database build: 17828

    Information on other scanner support parts
    Advanced heuristics module version: 1098 (20091030)
    Advanced heuristics module build: 1207
    Internet filter version: 1.002 (2004070:cool:
    Internet filter build: 1013
    Archive support module version: 1094 (20091029)
    Archive support module build version: 1237

    Information about installed components
    NOD32 For Windows NT/2000/XP/2003/Vista/x64 - Base
    Version: 2.70.39
    NOD32 For Windows NT/2000/XP/2003/Vista/x64 - Internet support
    Version: 2.70.39
    NOD32 for Windows NT/2000/XP/2003/Vista/x64 - Standard component
    Version: 2.70.39
     
  2. Cudni

    Cudni Global Moderator

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    May 24, 2009
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    6,963
    Location:
    Somethingshire
    as a guess, maybe that .exe uses some kind of file compression that Nod32 does not understand
     
  3. stackz

    stackz Registered Member

    Joined:
    Dec 27, 2007
    Posts:
    646
    Location:
    Sydney Australia
    Any setup file compiled with INNO shows that notification - file is not an archive. Nothing suspicious - Cudni's guess appears accurate.
     
  4. FanJ

    FanJ Updates Team

    Joined:
    Feb 9, 2002
    Posts:
    4,638
    Hi Cudni and stackz,

    I understand what you're saying, but

    not every setup file built with Inno Setup, is giving that warning from NOD32.

    Just two examples where I don't get that warning from NOD32:

    everestultimate530.exe
    (version 5.30.1900.0 of Everest Ultimate)
    This installation was built with Inno Setup.

    ea9setup.exe
    (version 9.7.10.1 of Express Assist)
    This installation was built with Inno Setup.
     
  5. Cudni

    Cudni Global Moderator

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    at this stage and until someone from Eset with better knowledge can provide an explanation all we can do is speculate :)
     
  6. stackz

    stackz Registered Member

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    Dec 27, 2007
    Posts:
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    Location:
    Sydney Australia
    FanJ,

    you're quite right. I inspected my last scan results and checked on the INNO setup files. Some of them reported as 'not an archive', I was able to extract their contents using 7zip, others would not extract. It seems likely that it is dependent on what version of INNO was used to compile the setup file and that ESET's unpacker just doesn't recognize all compression methods.

    The same goes for 7zip archives - with all the different compression methods available in this program, their are some that ESET products do not recognize.
     
  7. FanJ

    FanJ Updates Team

    Joined:
    Feb 9, 2002
    Posts:
    4,638
    Re: file is not an archive [fixed]

    Hi,

    With todays update of the Archive support module the issue was fixed :)
    No more warning from NOD32 version 2 on that file.
    Thanks ESET. Thanks also to Cudni and stackz !

    ----------

    NOD32 antivirus system information
    Virus signature database version: 4743 (20100104)
    Dated: maandag 4 januari 2010
    Virus signature database build: 17963

    Information on other scanner support parts
    Advanced heuristics module version: 1098 (20091030)
    Advanced heuristics module build: 1207
    Internet filter version: 1.002 (2004070:cool:
    Internet filter build: 1013
    Archive support module version: 1095 (20100104)
    Archive support module build version: 1238

    Information about installed components
    NOD32 For Windows NT/2000/XP/2003/Vista/x64 - Base
    Version: 2.70.39
    NOD32 For Windows NT/2000/XP/2003/Vista/x64 - Internet support
    Version: 2.70.39
    NOD32 for Windows NT/2000/XP/2003/Vista/x64 - Standard component
    Version: 2.70.39
     
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