Trojan.StartPage.47724

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Explorer' = '%WINDIR%\Windows Explorer.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Explorer' = '\Windows Explorer.exe'

Malicious functions:

To complicate detection of its presence in the operating system,

forces the system hide from view:

hidden files

Sets a new unauthorized home page for Windows Internet Explorer.

Modifies file system :

Creates the following files:

C:\New Folder.exe
%WINDIR%\Windows Explorer.exe
<SYSTEM32>\New Folder.exe

Deletes the following files:

<SYSTEM32>\oobe\html\mouse\images\tyrolm.jpg
<SYSTEM32>\oobe\html\mouse\images\tyrol.jpg
<SYSTEM32>\oobe\html\mouse\images\venicem.jpg
<SYSTEM32>\oobe\html\mouse\images\venice.jpg
<SYSTEM32>\oobe\html\mouse\images\praguem.jpg
<SYSTEM32>\oobe\html\mouse\images\pisa.jpg
<SYSTEM32>\oobe\html\mouse\images\parism.jpg
<SYSTEM32>\oobe\html\mouse\images\prague.jpg
<SYSTEM32>\oobe\html\mouse\images\pisam.jpg
<SYSTEM32>\oobe\images\mslogo.jpg
<SYSTEM32>\oobe\images\backup.jpg
<SYSTEM32>\oobe\images\newbtm8.jpg
<SYSTEM32>\oobe\images\newbtm1.jpg
<SYSTEM32>\oobe\images\backover.jpg
<SYSTEM32>\oobe\html\mouse\images\veronam.jpg
<SYSTEM32>\oobe\html\mouse\images\verona.jpg
<SYSTEM32>\oobe\images\backoff.jpg
<SYSTEM32>\oobe\images\backdown.jpg
<SYSTEM32>\oobe\html\mouse\images\paris.jpg
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Images\topGradRepeat.jpg
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Images\security_watermark.jpg
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\ASP.NETWebAdminFiles\Images\darkBlue_GRAD.jpg
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\ASP.NETWebAdminFiles\Images\ASPdotNET_logo.jpg
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Images\help.jpg
%WINDIR%\Help\Tours\htmlTour\window_up.jpg
%WINDIR%\Help\Tours\htmlTour\unlock_playing_ghost.jpg
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Images\darkBlue_GRAD.jpg
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Images\ASPdotNET_logo.jpg
<SYSTEM32>\oobe\html\mouse\images\bulzanom.jpg
<SYSTEM32>\oobe\html\mouse\images\bulzano.jpg
<SYSTEM32>\oobe\html\mouse\images\heidelbm.jpg
<SYSTEM32>\oobe\html\mouse\images\heidelb.jpg
%WINDIR%\pchealth\helpctr\System\sysinfo\graphics\greendot.jpg
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\ASP.NETWebAdminFiles\Images\security_watermark.jpg
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\ASP.NETWebAdminFiles\Images\help.jpg
%WINDIR%\pchealth\helpctr\System\DVDUpgrd\stripe.jpg
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\ASP.NETWebAdminFiles\Images\topGradRepeat.jpg
%WINDIR%\Web\Wallpaper\Moon flower.jpg
%WINDIR%\Web\Wallpaper\Home.jpg
%WINDIR%\Web\Wallpaper\Power.jpg
%WINDIR%\Web\Wallpaper\Peace.jpg
%WINDIR%\Web\Wallpaper\Friend.jpg
%WINDIR%\Web\Wallpaper\Azul.jpg
%WINDIR%\Web\Wallpaper\Autumn.jpg
%WINDIR%\Web\Wallpaper\Follow.jpg
%WINDIR%\Web\Wallpaper\Crystal.jpg
%WINDIR%\Web\Wallpaper\Vortec space.jpg
%WINDIR%\Web\Wallpaper\Tulips.jpg
%WINDIR%\Web\Wallpaper\Windows XP.jpg
%WINDIR%\Web\Wallpaper\Wind.jpg
%WINDIR%\Web\Wallpaper\Stonehenge.jpg
%WINDIR%\Web\Wallpaper\Radiance.jpg
%WINDIR%\Web\Wallpaper\Purple flower.jpg
%WINDIR%\Web\Wallpaper\Ripple.jpg
%WINDIR%\Web\Wallpaper\Red moon desert.jpg
%WINDIR%\Web\Wallpaper\Ascent.jpg
<SYSTEM32>\oobe\images\nextover.jpg
<SYSTEM32>\oobe\images\nextoff.jpg
<SYSTEM32>\oobe\images\oemcoa.jpg
<SYSTEM32>\oobe\images\nextup.jpg
<SYSTEM32>\oobe\images\nextdown.jpg
<SYSTEM32>\oobe\images\newmark8.jpg
<SYSTEM32>\oobe\images\newmark1.jpg
<SYSTEM32>\oobe\images\newtop8.jpg
<SYSTEM32>\oobe\images\newtop1.jpg
<SYSTEM32>\oobe\images\wpaflag.jpg
<SYSTEM32>\oobe\images\wpabtm.jpg
<SYSTEM32>\oobe\images\wpatop.jpg
<SYSTEM32>\oobe\images\wpakey.jpg
<SYSTEM32>\oobe\images\wpaback.jpg
<SYSTEM32>\oobe\images\skipoff.jpg
<SYSTEM32>\oobe\images\skipdown.jpg
<SYSTEM32>\oobe\images\skipup.jpg
<SYSTEM32>\oobe\images\skipover.jpg
%WINDIR%\Help\Tours\htmlTour\unlock_playing_big.jpg
%WINDIR%\Help\Tours\htmlTour\folder_up.jpg
%WINDIR%\Help\Tours\htmlTour\end_up.jpg
%WINDIR%\Help\Tours\htmlTour\icon_up.jpg
%WINDIR%\Help\Tours\htmlTour\gradient.jpg
%WINDIR%\Help\Tours\htmlTour\desktop_up.jpg
%WINDIR%\Help\Tours\htmlTour\connected_wizard_ghost.jpg
%WINDIR%\Help\Tours\htmlTour\connected_wizard_big.jpg
%WINDIR%\Help\Tours\htmlTour\desktop_screen_shot.jpg
%WINDIR%\Help\Tours\htmlTour\control_up.jpg
%WINDIR%\Help\Tours\htmlTour\img046.jpg
%WINDIR%\Help\Tours\htmlTour\img040.jpg
%WINDIR%\Help\Tours\htmlTour\img068.jpg
%WINDIR%\Help\Tours\htmlTour\img060.jpg
%WINDIR%\Help\Tours\htmlTour\img034.jpg
%WINDIR%\Help\Tours\htmlTour\img014.jpg
%WINDIR%\Help\Tours\htmlTour\img004b.jpg
%WINDIR%\Help\Tours\htmlTour\img033a.jpg
%WINDIR%\Help\Tours\htmlTour\img033.jpg
%WINDIR%\Help\Tours\htmlTour\connected_wizard.jpg
%WINDIR%\Help\Tours\htmlTour\best_secure.jpg
%WINDIR%\Help\Tours\htmlTour\best_robust_ghost.jpg
%WINDIR%\Help\Tours\htmlTour\best_secure_ghost.jpg
%WINDIR%\Help\Tours\htmlTour\best_secure_big.jpg
%WINDIR%\Help\Tours\htmlTour\best_robust_big.jpg
%WINDIR%\Help\Tours\htmlTour\best_road_big.jpg
%WINDIR%\Help\Tours\htmlTour\best_road.jpg
%WINDIR%\Help\Tours\htmlTour\best_robust.jpg
%WINDIR%\Help\Tours\htmlTour\best_road_ghost.jpg
%WINDIR%\Help\Tours\htmlTour\connected_networks.jpg
%WINDIR%\Help\Tours\htmlTour\connected_multiple_ghost.jpg
%WINDIR%\Help\Tours\htmlTour\connected_networks_ghost.jpg
%WINDIR%\Help\Tours\htmlTour\connected_networks_big.jpg
%WINDIR%\Help\Tours\htmlTour\connected_multiple_big.jpg
%WINDIR%\Help\Tours\htmlTour\connected_data_big.jpg
%WINDIR%\Help\Tours\htmlTour\connected_data.jpg
%WINDIR%\Help\Tours\htmlTour\connected_multiple.jpg
%WINDIR%\Help\Tours\htmlTour\connected_data_ghost.jpg
%WINDIR%\Help\Tours\htmlTour\safe_easy_faster_big.jpg
%WINDIR%\Help\Tours\htmlTour\safe_easy_faster.jpg
%WINDIR%\Help\Tours\htmlTour\start_up.jpg
%WINDIR%\Help\Tours\htmlTour\safe_easy_faster_ghost.jpg
%WINDIR%\Help\Tours\htmlTour\safe_easy_easier_ghost.jpg
%WINDIR%\Help\Tours\htmlTour\safe_easy_better_ghost.jpg
%WINDIR%\Help\Tours\htmlTour\safe_easy_better_big.jpg
%WINDIR%\Help\Tours\htmlTour\safe_easy_easier_big.jpg
%WINDIR%\Help\Tours\htmlTour\safe_easy_easier.jpg
%WINDIR%\Help\Tours\htmlTour\unlock_optimized_big.jpg
%WINDIR%\Help\Tours\htmlTour\unlock_optimized.jpg
%WINDIR%\Help\Tours\htmlTour\unlock_playing.jpg
%WINDIR%\Help\Tours\htmlTour\unlock_optimized_ghost.jpg
%WINDIR%\Help\Tours\htmlTour\unlock_built_ghost.jpg
%WINDIR%\Help\Tours\htmlTour\ul_logo.jpg
%WINDIR%\Help\Tours\htmlTour\taskbar_up.jpg
%WINDIR%\Help\Tours\htmlTour\unlock_built_big.jpg
%WINDIR%\Help\Tours\htmlTour\unlock_built.jpg
%WINDIR%\Help\Tours\htmlTour\safe_easy_better.jpg
%WINDIR%\Help\Tours\htmlTour\img110.jpg
%WINDIR%\Help\Tours\htmlTour\img109.jpg
%WINDIR%\Help\Tours\htmlTour\img121.jpg
%WINDIR%\Help\Tours\htmlTour\img116.jpg
%WINDIR%\Help\Tours\htmlTour\img103.jpg
%WINDIR%\Help\Tours\htmlTour\img074a.jpg
%WINDIR%\Help\Tours\htmlTour\img072.jpg
%WINDIR%\Help\Tours\htmlTour\img100.jpg
%WINDIR%\Help\Tours\htmlTour\img089.jpg
%WINDIR%\Help\Tours\htmlTour\pen_icon.jpg
%WINDIR%\Help\Tours\htmlTour\logo.jpg
%WINDIR%\Help\Tours\htmlTour\read_icon.jpg
%WINDIR%\Help\Tours\htmlTour\question_icon.jpg
%WINDIR%\Help\Tours\htmlTour\intro_logo.jpg
%WINDIR%\Help\Tours\htmlTour\img126.jpg
%WINDIR%\Help\Tours\htmlTour\img123.jpg
%WINDIR%\Help\Tours\htmlTour\img149.jpg
%WINDIR%\Help\Tours\htmlTour\img136.jpg

Miscellaneous:

Searches for the following windows:

ClassName: '' WindowName: 'Control Panel'
ClassName: '' WindowName: 'Windows Task Manager'
ClassName: '' WindowName: 'Registry Editor'
ClassName: '' WindowName: 'Windows'
ClassName: '' WindowName: 'Run'
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: '' WindowName: 'Anti virus'
ClassName: '' WindowName: 'Antivirus'

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