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Win32.HLLW.Autoruner.54614
Added to the Dr.Web virus database:
2011-07-19
Virus description added:
2011-07-19
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{ABF85521-720F-32B5-AF35-07BAA2E623DB}] 'StubPath' = '"%TEMP%\ferdig.exe"'
[<HKCU>\Software\Microsoft\Active Setup\Installed Components\{ABF85521-720F-32B5-AF35-07BAA2E623DB}] 'StubPath' = '"%TEMP%\ferdig.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'update' = '"%TEMP%\ferdig.exe"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'update' = '"%TEMP%\ferdig.exe"'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\<Virus name>.exe
%HOMEPATH%\Start Menu\Programs\Startup\GgSWVh.exe
Creates the following files on removable media:
<Drive name for removable media>:\windowsupdate.exe
<Drive name for removable media>:\Autorun.ini
<Drive name for removable media>:\GgSWVh.exe
<Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '"%TEMP%\ferdig.exe"' = '"%TEMP%\ferdig.exe:*:Enabled:Windows" Messanger'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\windowsupdate.exe' = '%APPDATA%\windowsupdate.exe:*:Enabled:Windows Messanger'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
Creates and executes the following:
%APPDATA%\windowsupdate.exe
Executes the following:
<SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\windowsupdate.exe" /t REG_SZ /d "%APPDATA%\windowsupdate.exe:*:Enabled:Windows Messanger" /f
<SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v ""%TEMP%\ferdig.exe"" /t REG_SZ /d ""%TEMP%\ferdig.exe":*:Enabled:Windows Messanger" /f
<SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\csc.exe /noconfig /fullpaths @"%TEMP%\u93wswq0.cmdline"
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:"%TEMP%\RES2.tmp"" "%TEMP%\CSC1.tmp"
Modifies file system :
Creates the following files:
%TEMP%\u93wswq0.dll
%TEMP%\RES2.tmp
%TEMP%\data.dat
%TEMP%\ferdig.exe
%TEMP%\CSC1.tmp
%TEMP%\u93wswq0.0.cs
%APPDATA%\windowsupdate.exe
%TEMP%\u93wswq0.out
%TEMP%\u93wswq0.cmdline
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\windowsupdate.exe
<Drive name for removable media>:\Autorun.ini
%TEMP%\ferdig.exe
%APPDATA%\windowsupdate.exe
<Drive name for removable media>:\GgSWVh.exe
Deletes the following files:
%TEMP%\u93wswq0.0.cs
%TEMP%\u93wswq0.out
%TEMP%\u93wswq0.dll
%TEMP%\RES2.tmp
%TEMP%\CSC1.tmp
%TEMP%\u93wswq0.cmdline
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: ''
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