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Trojan.StartPage.47281

Added to the Dr.Web virus database: 2012-09-19

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Internet Explorer\Extensions\{E32C4654-8650-42E3-AD1C-9597BF7D32B1}] 'Exec' = 'http://search.22dao.com'
  • [<HKLM>\SOFTWARE\Microsoft\Internet Explorer\Extensions\{B3F38EFC-CE02-4F11-9DB7-67C2BE490337}] 'Exec' = 'http://www.shop991.com/?ie'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'µзКУІҐ·ЕЖч' = '%PROGRAM_FILES%\FilmTV\FilmTV.EXE -a'
  • [<HKLM>\SOFTWARE\Microsoft\Internet Explorer\Extensions\{9D341FD7-FA06-492E-8475-F4E9CA399DAA}] 'Exec' = '%PROGRAM_FILES%\FilmTV\FilmTV.EXE'
  • [<HKLM>\SOFTWARE\Microsoft\Internet Explorer\Extensions\{35871651-58D1-4D0C-84CB-D0F1D0940CAA}] 'Exec' = 'http://www.22dao.com/#22'
  • [<HKLM>\SOFTWARE\Microsoft\Internet Explorer\Extensions\{DD20621B-4285-4D3F-ABDF-98AFB552ED5B}] 'Exec' = 'http://xiaoyouxi.22dao.com'
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\ReFreeFilmServer] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
  • <SYSTEM32>\ReFreeFilmServer.exe
  • %PROGRAM_FILES%\FilmTV\RegSrvca.exe
  • %TEMP%\is-M40AC.tmp\<Virus name>.tmp /SL5="$40036,217572,70656,<Full path to virus>"
  • %PROGRAM_FILES%\FilmTV\FilmTV.exe
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Favorites\№єОпЦёДП.url
  • %HOMEPATH%\Favorites\QQ±нЗйґуИ«.url
  • %HOMEPATH%\Favorites\єГНжРЎУОП·.url
  • %HOMEPATH%\Favorites\°Щ¶ИЛСЛч.url
  • %HOMEPATH%\Favorites\Гв·СФЪПЯµзУ°.url
  • %HOMEPATH%\Favorites\7555НшЦ·µјєЅ-·Ѕ±гїмЅЭµДНшЦ·µјєЅХѕ.url
  • %ALLUSERSPROFILE%\Desktop\µзКУІҐ·ЕЖч.lnk
  • %ALLUSERSPROFILE%\Desktop\Гв·СµзУ°.url
  • %ALLUSERSPROFILE%\Desktop\РЎУОП·.url
  • %ALLUSERSPROFILE%\Desktop\Жф¶Ї Internet Explorer дЇААЖч.url
  • %ALLUSERSPROFILE%\Desktop\QQ±нЗй.url
  • %ALLUSERSPROFILE%\Desktop\№єОпЦёДП.url
  • %ALLUSERSPROFILE%\Desktop\°Щ¶ИЛСЛч.url
  • %HOMEPATH%\Favorites\GOOGLEЛСЛч.url
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\Гв·СµзУ°.url
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\°Щ¶ИЛСЛч.url
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\НшЦ·ґуИ«.url
  • <SYSTEM32>\ReFreeFilmServer.exe
  • <SYSTEM32>\RegSrvca.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\resturl[1].asp
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\µзКУІҐ·ЕЖч.lnk
  • %HOMEPATH%\Favorites\Гв·СµзУ°.url
  • %HOMEPATH%\Favorites\НшЦ·Ц®јТ.url
  • %HOMEPATH%\Favorites\РЎУОП·.url
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\РЎУОП·.url
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\№єОпЦёДП.url
  • %APPDATA%\Microsoft\Internet Explorer\Quick Launch\QQ±нЗйґуИ«.url
  • %ALLUSERSPROFILE%\Start Menu\Programs\µзКУІҐ·ЕЖч\GOOGLEЛСЛч.url
  • %PROGRAM_FILES%\FilmTV\is-JVO2O.tmp
  • %PROGRAM_FILES%\FilmTV\is-QKJ54.tmp
  • %PROGRAM_FILES%\FilmTV\is-S3KUE.tmp
  • %ALLUSERSPROFILE%\Start Menu\QQ±нЗйґуИ«.url
  • %PROGRAM_FILES%\FilmTV\is-T47DD.tmp
  • %PROGRAM_FILES%\FilmTV\is-4BU45.tmp
  • %PROGRAM_FILES%\FilmTV\is-GRO3B.tmp
  • %TEMP%\is-JUM20.tmp\_isetup\_shfoldr.dll
  • %TEMP%\is-JUM20.tmp\_isetup\_RegDLL.tmp
  • %TEMP%\is-M40AC.tmp\<Virus name>.tmp
  • %PROGRAM_FILES%\FilmTV\is-1JIIC.tmp
  • %PROGRAM_FILES%\FilmTV\is-N25LK.tmp
  • %PROGRAM_FILES%\FilmTV\is-6OKSO.tmp
  • %ALLUSERSPROFILE%\Start Menu\№єОпЦёДП.url
  • %ALLUSERSPROFILE%\Start Menu\Programs\µзКУІҐ·ЕЖч\РЎУОП·.url
  • %ALLUSERSPROFILE%\Start Menu\Programs\µзКУІҐ·ЕЖч\№єОпЦёДП.url
  • %ALLUSERSPROFILE%\Start Menu\Programs\µзКУІҐ·ЕЖч\QQ±нЗйґуИ«.url
  • %ALLUSERSPROFILE%\Start Menu\Programs\µзКУІҐ·ЕЖч\°Щ¶ИЛСЛч.url
  • %ALLUSERSPROFILE%\Start Menu\Programs\µзКУІҐ·ЕЖч\Гв·СµзУ°.url
  • %ALLUSERSPROFILE%\Start Menu\Programs\µзКУІҐ·ЕЖч\НшЦ·µјєЅХѕ-·Ѕ±гїмЅЭµДНшЦ·µјєЅХѕ.url
  • %ALLUSERSPROFILE%\Start Menu\Programs\µзКУІҐ·ЕЖч\µзКУІҐ·ЕЖч.lnk
  • %ALLUSERSPROFILE%\Start Menu\РЎУОП·.url
  • %ALLUSERSPROFILE%\Start Menu\GOOGLEЛСЛч.url
  • %ALLUSERSPROFILE%\Start Menu\°Щ¶ИЛСЛч.url
  • %ALLUSERSPROFILE%\Start Menu\µзКУІҐ·ЕЖч.lnk
  • %ALLUSERSPROFILE%\Start Menu\Гв·СµзУ°.url
  • %ALLUSERSPROFILE%\Start Menu\·Ѕ±гїмЅЭµДНшЦ·µјєЅХѕ.url
Deletes the following files:
  • %TEMP%\is-M40AC.tmp\<Virus name>.tmp
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\resturl[1].asp
  • %TEMP%\is-JUM20.tmp\_isetup\_shfoldr.dll
  • %HOMEPATH%\Favorites\°Щ¶ИЛСЛч.url
  • %TEMP%\is-JUM20.tmp\_isetup\_RegDLL.tmp
Network activity:
Connects to:
  • 'vo##.av268.cn':80
TCP:
HTTP GET requests:
  • vo##.av268.cn/resturl.asp
UDP:
  • DNS ASK vo##.av268.cn
Miscellaneous:
Searches for the following windows:
  • ClassName: 'MS_WebcheckMonitor' WindowName: ''
  • ClassName: 'MS_AutodialMonitor' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''

Curing recommendations

  1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
  2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
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Download by serial number

Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

Download Dr.Web

Download by serial number

  1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

Find out more about Dr.Web for Android