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Win32.HLLW.Autoruner.46857
Added to the Dr.Web virus database:
2011-03-08
Virus description added:
2020-06-30
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Defence' = '%APPDATA%\Microsoft\Security\WinDef'
Creates the following files on removable media
<Drive name for removable media>:\svchosted.exe
<Drive name for removable media>:\autorun.inf
Malicious functions
Injects code into
the following system processes:
%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe
Modifies file system
Creates the following files
%APPDATA%\microsoft\security\windef
%APPDATA%\lovely.ini
%APPDATA%\.exe
%LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.ie5\caasbycl\dnserrordiagoff_weboc[1]
%LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.ie5\re1n75kr\errorpagetemplate[1]
%LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.ie5\0u8lpyu9\errorpagestrings[1]
%LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.ie5\caasbycl\httperrorpagesscripts[1]
%LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.ie5\bzjx5bke\background_gradient[2]
%LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.ie5\bzjx5bke\info_48[1]
%LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.ie5\0u8lpyu9\bullet[1]
%LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.ie5\caasbycl\down[1]
Sets the 'hidden' attribute to the following files
<Drive name for removable media>:\svchosted.exe
<Drive name for removable media>:\autorun.inf
Miscellaneous
Searches for the following windows
ClassName: 'MS_AutodialMonitor' WindowName: ''
ClassName: 'MS_WebCheckMonitor' WindowName: ''
Executes the following
'%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe'
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