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Virus:ADWARE/Instoolbar.A
Date discovered:21/12/2012
Type:Adware
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low
Damage Potential:Low
Static file:Yes
File size:163.416 Bytes
VDF version:7.11.54.138 - Friday, December 21, 2012
IVDF version:7.11.54.138 - Friday, December 21, 2012

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Eset: Win32/Somoto.A
     DrWeb: Adware.Somoto.8


Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003
    Windows Vista
    Windows Server 2008
    Windows 7


Side effects:
   • Drops files
   • Registry modification


Right after execution it runs a windows application which will display the following window:


 Files The following files are created:

%PROGRAM FILES%\Incredibar.com\incredibar\1.5.11.14\incredibarTlbr.dll
%PROGRAM FILES%\Incredibar.com\incredibar\1.5.11.14\incredibarApp.dll
%PROGRAM FILES%\Incredibar.com\incredibar\1.5.11.14\incredibarEng.dll
%PROGRAM FILES%\Incredibar.com\incredibar\1.5.11.14\incredibarsrv.exe
%PROGRAM FILES%\Incredibar.com\incredibar\1.5.11.14\uninstall.exe
%PROGRAM FILES%\Incredibar.com\incredibar\1.5.11.14\bh\incredibar.dll

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

The registered DLL file changes the startpage of Internet Explorer to: http://mystart.incredibar.com/mb205?a=6R8P5qGc1H&i=26
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\
   Browser Helper Objects\{6E13DDE1-2B6E-46CE-8B66-DC8BF36F6B99}
   • @="Incredibar.com Helper Object"
   • "NoExplorer"=dword:00000001

Beschrijving ingevoegd door Alexander Bauer op zondag 23 december 2012
Beschrijving bijgewerkt door Alexander Bauer op zondag 23 december 2012

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