Full description

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

说明添加者： Alexander Bauer 打开 2012年12月23日星期日
说明更新者： Alexander Bauer 打开 2012年12月23日星期日

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