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Adware.MyWebSearch.55

Added to the Dr.Web virus database: 2014-06-14

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'DictionaryBoss Search Scope Monitor' = '"%PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4srchmn.exe" /m=2 /w /h'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'DictionaryBoss Browser Plugin Loader' = '%PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4brmon.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'DictionaryBoss' = 'rundll32 %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4bar.dll,S'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'DictionaryBoss Home Page Guard 32 bit' = '"%PROGRAM_FILES%\DictionaryBoss\bar\1.bin\AppIntegrator.exe"'
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\DictionaryBossService] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
  • '%PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4SrchMn.exe' /m=2 /w /h /r
  • '%PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4brmon.exe'
  • '%PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4highin.exe' v4tpinst.dll,#5
  • '%PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4barsvc.exe' -remove
  • '%PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4barsvc.exe' -install
  • '%PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4barsvc.exe'
Executes the following:
  • '<SYSTEM32>\ntvdm.exe' -f -i3
  • '<SYSTEM32>\ntvdm.exe' -f -i2
  • '<SYSTEM32>\ntvdm.exe' -f -i1
Modifies file system :
Creates the following files:
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4mlbtn.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4Plugin.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4ieovr.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4medint.exe
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4reghk.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4regiet.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4radio.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4regfft.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4idle.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4feedmg.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4highin.exe
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\T8EXTEX.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\T8EXTPEX.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4htmlmu.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4httpct.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4hkstub.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\T8HTML.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4script.dll
  • %WINDIR%\Temp\scs2.tmp
  • %WINDIR%\Temp\scs3.tmp
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\VERIFY.DLL
  • %WINDIR%\Temp\scs1.tmp
  • %WINDIR%\Temp\scs6.tmp
  • %PROGRAM_FILES%\DictionaryBoss\bar\Settings\s_pid.dat
  • %WINDIR%\Temp\scs4.tmp
  • %WINDIR%\Temp\scs5.tmp
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\UNIFIEDLOGGING.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4SrcAs.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4SrchMn.exe
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4skin.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4skplay.exe
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4tpinst.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\TPIMANAGERCONSOLE.EXE
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4srchmr.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\T8TICKER.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\ASSISTMONITOR.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\ASSISTMONITOR64.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\APPINTEGRATORSTUB.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\AppIntegratorStub64.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\CREXT.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\CrExtPv4.exe
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\BOOTSTRAP.JS
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\CHROME.MANIFEST
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\AppIntegrator64.exe
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\T8RES.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\assists\ie_default_search_provider\ARBITER.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4barsvc.exe
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\T8EPMSUP.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\assists\ie_default_search_provider\CONFIG.XML
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\APPINTEGRATOR.EXE
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\assists\ie_default_search_provider\ARBITER64.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\assists\ie_default_search_provider\ASSIST.EXE
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\DPNMNGR.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4brmon64.exe
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4brstub.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4bprtct.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4brmon.exe
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4dlghk.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4dlghk64.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4brstub64.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4datact.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4bar.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\Hpg64.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\INSTALL.RDF
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\EXEMANAGER.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\FF-NativeMessagingDispatcher.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4auxstb.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4auxstb64.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\LOGO.BMP
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\NPv4Stub.dll
Deletes the following files:
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4Plugin.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4radio.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4medint.exe
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4mlbtn.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4regiet.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4script.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4regfft.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4reghk.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4ieovr.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4highin.exe
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4hkstub.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\T8EXTPEX.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4feedmg.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4httpct.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4idle.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\T8HTML.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4htmlmu.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\assists\ie_default_search_provider\ARBITER64.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\assists\ie_default_search_provider\ASSIST.EXE
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\VERIFY.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\assists\ie_default_search_provider\ARBITER.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\T8EPMSUP.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\T8RES.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\assists\ie_default_search_provider\CONFIG.XML
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4barsvc.exe
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\UNIFIEDLOGGING.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4SrcAs.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4SrchMn.exe
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4skin.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4skplay.exe
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4tpinst.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\TPIMANAGERCONSOLE.EXE
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4srchmr.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\T8TICKER.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\T8EXTEX.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\ASSISTMONITOR64.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\BOOTSTRAP.JS
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\AppIntegratorStub64.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\ASSISTMONITOR.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\CrExtPv4.exe
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\DPNMNGR.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\CHROME.MANIFEST
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\CREXT.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\APPINTEGRATORSTUB.DLL
  • %WINDIR%\Temp\scs3.tmp
  • %WINDIR%\Temp\scs4.tmp
  • %WINDIR%\Temp\scs1.tmp
  • %WINDIR%\Temp\scs2.tmp
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\APPINTEGRATOR.EXE
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\AppIntegrator64.exe
  • %WINDIR%\Temp\scs5.tmp
  • %WINDIR%\Temp\scs6.tmp
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4brmon64.exe
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4brstub.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4bprtct.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4brmon.exe
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4dlghk.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4dlghk64.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4brstub64.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4datact.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4bar.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\Hpg64.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\INSTALL.RDF
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\EXEMANAGER.DLL
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\FF-NativeMessagingDispatcher.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4auxstb.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\v4auxstb64.dll
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\LOGO.BMP
  • %PROGRAM_FILES%\DictionaryBoss\bar\1.bin\NPv4Stub.dll
Miscellaneous:
Searches for the following windows:
  • ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-b98.b9c.3a0001'
  • ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-b5c.b60.390001'
  • ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-b44.b48.380001'

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