Win32.HLLW.Texmer.899

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Control Panel\Desktop] 'SCRNSAVE.EXE' = '%PROGRAM_FILES%\Coopen\Coopen.scr'

Creates or modifies the following files:

%HOMEPATH%\Start Menu\Programs\Startup\CoopenІҐ·ЕЖч.lnk

Malicious functions:

Creates and executes the following:

'<SYSTEM32>\sup.exe'
'<SYSTEM32>\yx.exe'
'<SYSTEM32>\homep.exe'
'%PROGRAM_FILES%\Coopen\CoopenAir.exe'
'%PROGRAM_FILES%\Coopen\Coopen.exe'
'<SYSTEM32>\hp123.exe'
'<SYSTEM32>\f.exe'
'<SYSTEM32>\coop.exe'
'<SYSTEM32>\uu.exe'
'<SYSTEM32>\coopen_setup_100067.exe' /S
'<SYSTEM32>\BBPlayer.exe'

Executes the following:

'<SYSTEM32>\cmd.exe' /c ""<SYSTEM32>\hp.bat" "
'<SYSTEM32>\wscript.exe' "<SYSTEM32>\hp.vbs"
'%PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE' http://61.###.62.83:1111/down.php?un###############

Modifies file system :

Creates the following files:

%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Progress_download.bmp
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Progress_download1.bmp
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Separator.bmp
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Button_next.bmp
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Notify_BG.bmp
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Notify_Close.bmp
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\SkinNormal.ini
%PROGRAM_FILES%\Coopen\Resource\res\BMP\cancel.bmp
%PROGRAM_FILES%\Coopen\Resource\res\BMP\close.bmp
%PROGRAM_FILES%\Coopen\Resource\res\BMP\play.bmp
%PROGRAM_FILES%\Coopen\Resource\res\BMP\MyShare.bmp
%PROGRAM_FILES%\Coopen\Resource\res\BMP\MyWallpaper.bmp
%PROGRAM_FILES%\Coopen\Resource\res\BMP\Myphoto.bmp
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Button_IconHide.bmp
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Button_IconShow.bmp
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Button_ModeMenu.bmp
%PROGRAM_FILES%\Coopen\Templete\CoopenPhoto.jpg
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Background.bmp
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Button_Close.bmp
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Button_ModeSel.bmp
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Button_ScreenSaver.bmp
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Button_Setting.bmp
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Button_Weblogo.bmp
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Button_Pause.bmp
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Button_Play.bmp
%PROGRAM_FILES%\Coopen\Resource\SkinNormal\Button_Prev.bmp
%PROGRAM_FILES%\Coopen\Templete\DefaultCoopenWallpaper.jpg
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\ydsszuo[1].htm
%HOMEPATH%\Start Menu\Programs\Coopen\CoopenІҐ·ЕЖч.lnk
%HOMEPATH%\Start Menu\Programs\Coopen\Р¶ФШ.lnk
%PROGRAM_FILES%\Coopen\image\Share\coopen share\image_100\PicList.ini
<SYSTEM32>\Coopen.inf
%PROGRAM_FILES%\Coopen\conf\Coopen.inf
%TEMP%\nsp3.tmp\inetc.dll
%PROGRAM_FILES%\Coopen\conf\Debug
%PROGRAM_FILES%\Coopen\uninst.exe
%TEMP%\nsp3.tmp\PartnerDlg.ini
<SYSTEM32>\Coopen.scr
%PROGRAM_FILES%\Coopen\conf\%USERNAME%.ini
%PROGRAM_FILES%\Coopen\conf\All Users.ini
%APPDATA%\Microsoft\Internet Explorer\Quick Launch\╞Ї╢п Internet Explorer фп└└╞ў.lnk
%PROGRAM_FILES%\Coopen\image\Wallpaper\coopen wallpaper\DefaultCoopenWallpaper.jpg
%PROGRAM_FILES%\Coopen\image\Wallpaper\coopen wallpaper\PicList.ini
%PROGRAM_FILES%\Coopen\Coopen.scr
%PROGRAM_FILES%\Coopen\image\Wallpaper\local wallpaper\DefaultCoopenWallpaper.jpg
%PROGRAM_FILES%\Coopen\image\Wallpaper\local wallpaper\ModeAList.ini
%APPDATA%\Microsoft\Internet Explorer\Quick Launch\Internet Explorer.lnk
%PROGRAM_FILES%\Coopen\image\Illustrated\coopen illustrated\image_100003\DefaultCoopenWallpaper.jpg
%PROGRAM_FILES%\Coopen\image\Share\coopen share\image_100\B_0.jpg
%PROGRAM_FILES%\Coopen\image\Share\coopen share\image_100\B_1.jpg
%PROGRAM_FILES%\Coopen\image\Photo\local Photo\B_0.jpg
%PROGRAM_FILES%\Coopen\image\Photo\local Photo\B_1.jpg
%PROGRAM_FILES%\Coopen\image\Photo\local Photo\ModeBList.ini
%TEMP%\nsp3.tmp\System.dll
<SYSTEM32>\Internet Explorer.lnk
<SYSTEM32>\hp.vbs
<SYSTEM32>\Internet Explorer.url
%TEMP%\nsz2.tmp
<SYSTEM32>\hp.bat
<SYSTEM32>\homep.exe
%PROGRAM_FILES%\Coopen\CoopenModeB.cop
%PROGRAM_FILES%\Coopen\CoopenModeB.Config
%PROGRAM_FILES%\Coopen\CoopenModeC.cop
%TEMP%\nsp3.tmp\KillProcDLL.dll
%PROGRAM_FILES%\Coopen\CoopenModeA.cop
%PROGRAM_FILES%\Coopen\CoopenModeA.Config
<SYSTEM32>\sup.exe
<SYSTEM32>\coop.exe
<SYSTEM32>\HtmlView.fne
<SYSTEM32>\coopen_setup_100067.exe
<SYSTEM32>\BBPlayer.exe
<SYSTEM32>\del.bat
<SYSTEM32>\iext.fnr
<SYSTEM32>\uu.exe
<SYSTEM32>\f.exe
<SYSTEM32>\redame.txt
<SYSTEM32>\krnln.fnr
<SYSTEM32>\yx.exe
<SYSTEM32>\hp123.exe
%PROGRAM_FILES%\Coopen\CoopenModeC.Config
%PROGRAM_FILES%\Coopen\licence.txt
%PROGRAM_FILES%\Coopen\conf\ChannelListReal.txt
%PROGRAM_FILES%\Coopen\conf\ModeAChannelList.txt
%PROGRAM_FILES%\Coopen\CoopenClient.cop
%PROGRAM_FILES%\Coopen\CoopenClient.Config
%PROGRAM_FILES%\Coopen\CoopenActiveControl93.dll
%PROGRAM_FILES%\Coopen\conf\ModeAChannelListReal.txt
%PROGRAM_FILES%\Coopen\Templete\ModeC.tpl
%PROGRAM_FILES%\Coopen\Templete\ModeB.tpl
%PROGRAM_FILES%\Coopen\Templete\ModeB_logo.jpg
%PROGRAM_FILES%\Coopen\conf\ModeASelectChannel.txt
%PROGRAM_FILES%\Coopen\conf\ModeAChannelSetup.txt
%PROGRAM_FILES%\Coopen\conf\PluginConfig.ini
%PROGRAM_FILES%\Coopen\CoopenDeskIcon.Config
%PROGRAM_FILES%\Coopen\Coopen.exe
%PROGRAM_FILES%\Coopen\CoopenAir.exe
%PROGRAM_FILES%\Coopen\CoopenModeD.cop
%PROGRAM_FILES%\Coopen\CoopenModeD.Config
%PROGRAM_FILES%\Coopen\CoopenDeskIcon.cop
%PROGRAM_FILES%\Coopen\CoopenDownloader.cop
%PROGRAM_FILES%\Coopen\CoopenUI.cop
%PROGRAM_FILES%\Coopen\CoopenUI.Config
%PROGRAM_FILES%\Coopen\CoopenUpdate.cop
%PROGRAM_FILES%\Coopen\CoopenDownloader.Config
%PROGRAM_FILES%\Coopen\CoopenPlayer.cop
%PROGRAM_FILES%\Coopen\CoopenPlayer.Config

Sets the 'hidden' attribute to the following files:

%PROGRAM_FILES%\Coopen\conf\All Users.ini
%PROGRAM_FILES%\Coopen\conf\%USERNAME%.ini

Deletes the following files:

%TEMP%\nsp3.tmp\PartnerDlg.ini
%TEMP%\nsp3.tmp\System.dll
%TEMP%\nsp3.tmp\inetc.dll
%TEMP%\nsp3.tmp\KillProcDLL.dll

Network activity:

Connects to:

'61.##4.62.83':1111
'www.le##tv.info':80
'localhost':1038
'localhost':1035
'12#.#24.4.133':30100

TCP:

HTTP GET requests:

www.le##tv.info/sexse/ydsszuo.htm

UDP:

DNS ASK xc###.coopen.cn
DNS ASK tr######.xconf.coopen.cn
DNS ASK se###.#emp.coopen.cn
DNS ASK www.le##tv.info
DNS ASK do####ad.uusee.com

Miscellaneous:

Searches for the following windows:

ClassName: 'Progman' WindowName: 'Program Manager'
ClassName: '(null)' WindowName: '*????*'
ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
ClassName: 'CoopenPlayer' WindowName: '*????*'
ClassName: '(null)' WindowName: 'CoopenAirAir'
ClassName: 'SysListView32' WindowName: '(null)'
ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
ClassName: '(null)' WindowName: 'cool66byCool66comcn123'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: 'EDIT' WindowName: '(null)'
ClassName: '' WindowName: '(null)'
ClassName: 'CoopenPlayer' WindowName: '*????????*'
ClassName: '(null)' WindowName: 'Coopen@wwwcoopencn'

Technologies

Terminology

Training and education

Myths

Technical Information