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Win32.HLLW.Autoruner1.46623
Added to the Dr.Web virus database:
2013-07-18
Virus description added:
2013-07-18
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'WindowsXP·А»рЗЅ' = '<SYSTEM32>\crnjeufu.exe'
Creates the following files on removable media:
<Drive name for removable media>:\AutoRun.inf
<Drive name for removable media>:\crnjeufu.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Creates and executes the following:
'<SYSTEM32>\crnjeufu.exe'
Modifies settings of Windows Explorer:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoInternetIcon' = '00000001'
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
%HOMEPATH%\Favorites\МФ±¦ЙМіЗ.url
%HOMEPATH%\Favorites\Пр№ы№ъјК.url
%HOMEPATH%\Favorites\КэВлЖµµА.url
%HOMEPATH%\Favorites\Е®ИЛЖµµА.url
%HOMEPATH%\Favorites\ИИПъЖ·ЕЖ.url
C:\AutoRun.inf
<SYSTEM32>\crnjeufu.exe
C:\crnjeufu.exe
%HOMEPATH%\Favorites\РЇіМВГРРНш.url
%HOMEPATH%\Favorites\ХэЖ·µкЖМ.url
%HOMEPATH%\Favorites\ЁђЁЋ Нш Ц· ґу И« ЁЌЁЏ.url
%HOMEPATH%\Favorites\ЁђЁЋ МФ ±¦ МШ јЫ ЁЌЁЏ.url
%HOMEPATH%\Start Menu\Internet Explorer.lnk
%HOMEPATH%\Start Menu\ЁђЁЋНшЦ·ґуИ«ЁЌЁЏ.url
%HOMEPATH%\Start Menu\МФ±¦№єОп.url
%HOMEPATH%\Favorites\ЅрЙЅ¶ѕ°Ф.url
%HOMEPATH%\Favorites\ДРИЛЖµµА.url
%HOMEPATH%\Favorites\µ±µ±НјКй.url
%HOMEPATH%\Favorites\МФ±¦ИИВф.url
%HOMEPATH%\Favorites\іЙИЛ±ЈЅЎ.url
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\crnjeufu.exe
C:\AutoRun.inf
<SYSTEM32>\crnjeufu.exe
<Drive name for removable media>:\AutoRun.inf
%HOMEPATH%\Start Menu\МФ±¦№єОп.url
%HOMEPATH%\Start Menu\ЁђЁЋНшЦ·ґуИ«ЁЌЁЏ.url
C:\crnjeufu.exe
%HOMEPATH%\Start Menu\Internet Explorer.lnk
Deletes the following files:
<Drive name for removable media>:\AutoRun.inf
<Drive name for removable media>:\crnjeufu.exe
C:\crnjeufu.exe
%HOMEPATH%\Start Menu\Internet Explorer.lnk
C:\AutoRun.inf
Miscellaneous:
Searches for the following windows:
ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
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