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Win32.HLLW.Autoruner1.282
Added to the Dr.Web virus database:
2011-10-25
Virus description added:
2011-10-25
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'WinC' = '%TEMP%\dovq~.exe'
Creates or modifies the following files:
%ALLUSERSPROFILE%\Start Menu\Programs\Startup .exe
Creates the following files on removable media:
<Drive name for removable media>:\ESPFOLDER.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%\dovq~.exe' = '%TEMP%\dovq~.exe:*:Enabled:Windows Live 2010'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] 'p2.exe' = 'p2.exe:*:Enabled:Windows Live'
To complicate detection of its presence in the operating system,
forces the system hide from view:
hidden files
file extensions
Creates and executes the following:
%TEMP%\dovq~.exe =p
%TEMP%\1.tmp\p2.exe
%TEMP%\1.tmp\p1.exe
Executes the following:
<SYSTEM32>\cmd.exe /c ""%TEMP%\selfdel0.bat" "
<SYSTEM32>\cmd.exe /c ""%TEMP%\1.tmp\batfile.bat" "
Modifies file system :
Creates the following files:
%CommonProgramFiles% .exe
%ALLUSERSPROFILE%\Start Menu\Programs\Games .exe
%ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools .exe
%PROGRAM_FILES%\Internet Explorer .exe
%PROGRAM_FILES%\FireFox .exe
%PROGRAM_FILES%\ComPlus Applications .exe
%TEMP%\1.tmp\p1.exe
%TEMP%\1.tmp\p2.exe
%TEMP%\1.tmp\batfile.bat
%ALLUSERSPROFILE%\Start Menu\Programs\Accessories .exe
%TEMP%\selfdel0.bat
%TEMP%\dovq~.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\ESPFOLDER.exe
<Drive name for removable media>:\autorun.inf
%TEMP%\dovq~.exe
Deletes the following files:
%TEMP%\1.tmp\p1.exe
%TEMP%\1.tmp\p2.exe
%TEMP%\1.tmp\batfile.bat
Deletes itself.
Network activity:
Connects to:
'us#####s.multimania.es':80
TCP:
HTTP GET requests:
us#####s.multimania.es/v77/MYC/CT/sv.php?s=#############################
UDP:
DNS ASK us#####s.multimania.es
'<Private IP address>':1036
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