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Virus:ADSPY/Boran.I.17
Date discovered:05/10/2006
Type:Trojan
In the wild:No
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:9.728 Bytes
MD5 checksum:29987dbd0Ec36ff87cd572f0d75c2c5a
VDF version:6.35.01.51 - Friday, August 4, 2006
IVDF version:6.35.01.51 - Friday, August 4, 2006

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  TrendMicro: PAK_Generic.001
   •  Eset: Win32/Adware.Boran


Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Drops files
   • Registry modification

 Files  It creates the following directory:
   • %malware execution directory%\updmms



The following files are created:

%malware execution directory%\updmms\mmsass.cab
%malware execution directory%\updmms\mmsstate.ini
%malware execution directory%\updmms\update.ini
%malware execution directory%\mms.ini

 Registry It registers a browser helper object (BHO) by adding the following key:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\
   Browser Helper Objects\{6671A431-5C3D-463d-A7CF-5587F9B7E191}]
   • @="Vision"



The following registry keys are added:

[HKCR\CLSID\{6671A431-5C3D-463d-A7CF-5587F9B7E191}]
   • @="MMSAssist BHO"

[HKCR\CLSID\{6671A431-5C3D-463d-A7CF-5587F9B7E191}\InprocServer32]
   • @="%malware execution directory%\%executed file%"
   • "ThreadingModel"="Apartment"

[HKCR\CLSID\{6671A431-5C3D-463d-A7CF-5587F9B7E191}\ProgID]
   • @="MMSBho.MMSAssist.1"

[HKCR\CLSID\{6671A431-5C3D-463d-A7CF-5587F9B7E191}\Programmable]
[HKCR\CLSID\{6671A431-5C3D-463d-A7CF-5587F9B7E191}\TypeLib]
   • @="{077525AC-C681-4139-8C3E-B582BDD375C7}"

[HKCR\CLSID\{6671A431-5C3D-463d-A7CF-5587F9B7E191}\
   VersionIndependentProgID]
   • @="MMSBho.MMSAssist"

[HKCR\TypeLib\{077525AC-C681-4139-8C3E-B582BDD375C7}\1.0]
   • @="MMSBho 1.0 Type Library"

[HKCR\TypeLib\{077525AC-C681-4139-8C3E-B582BDD375C7}\1.0\0\win32]
   • @="%malware execution directory%\%executed file%l"

[HKCR\TypeLib\{077525AC-C681-4139-8C3E-B582BDD375C7}\1.0\FLAGS]
   • @="0"

[HKCR\TypeLib\{077525AC-C681-4139-8C3E-B582BDD375C7}\1.0\HELPDIR]
   • @="%malware execution directory%"

[HKCR\Interface\{74289A79-E652-4A57-A6B9-EE64AD532A8D}]
   • @="IMMSAssist"

[HKCR\Interface\{74289A79-E652-4A57-A6B9-EE64AD532A8D}\
   ProxyStubClsid]
   • @="{00020424-0000-0000-C000-000000000046}"

[HKCR\Interface\{74289A79-E652-4A57-A6B9-EE64AD532A8D}\
   ProxyStubClsid32]
   • @="{00020424-0000-0000-C000-000000000046}"

[HKCR\Interface\{74289A79-E652-4A57-A6B9-EE64AD532A8D}\TypeLib]
   • @="{077525AC-C681-4139-8C3E-B582BDD375C7}"
   • "Version"="1.0"

[HKCR\MMSBho.MMSAssist]
   • @="MMSAssist BHO"

[HKCR\MMSBho.MMSAssist\CLSID]
   • @="{6671A431-5C3D-463d-A7CF-5587F9B7E191}"

[HKCR\MMSBho.MMSAssist\CurVer]
   • @="MMSBho.MMSAssist.1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\
   ShellServiceObjectDelayLoad]
   • "Vision"="{6671A431-5C3D-463d-A7CF-5587F9B7E191}"

[HKLM\SOFTWARE\Microsoft\Internet Explorer\Extensions\
   {6671A433-5C3D-463d-A7CF-5587F9B7E191}]
   • "CLSID"="{1FBA04EE-3024-11d2-8F1F-0000F87ABD16}"
   • "ClsidExtension"="{6671A432-5C3D-463d-A7CF-5587F9B7E191}"
   • "MenuText"="%random character string%"
   • "MenuStatusBar"="%random character string%"

[HKCU\Software\Microsoft\Internet Explorer\MenuExt\
   >>%random character string%<<]
   • @="res://%malware execution directory%\%executed file%/mms.htm"

[HKLM\SOFTWARE\mmsassist]
   • "mmsassist"="1.2.0.3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\
   Vision Communicate]
   • "DisplayName"="Vision Communicate"
   • "UninstallString"="%SYSDIR%\rundll32.exe %malware execution directory%\%executed file%,Uninstall"

 File details Programming language:
The malware program was written in MS Visual C++.


Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with the following runtime packer:
   • UPX

Description inserted by Monica Ghitun on Thursday, October 5, 2006
Description updated by Andrei Ivanes on Thursday, October 26, 2006

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