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Win32.HLLW.Autoruner.64548

Added to the Dr.Web virus database: 2012-07-14

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows] 'AppInit_DLLs' = '%WINDIR%\mssys.dll'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Svchost' = '<Full path to virus>'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '1Scar۞Face Crypter' = '%APPDATA%\<Virus name>.exe'
Malicious functions:
Executes the following:
  • %WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe
Modifies file system :
Creates the following files:
  • %WINDIR%\mssys.dll
  • %APPDATA%\<Virus name>.exe
Sets the 'hidden' attribute to the following files:
  • %APPDATA%\<Virus name>.exe
Network activity:
Connects to:
  • 'http://bo####.hostzi.com/panel/':80
TCP:
HTTP GET requests:
  • http://bo####.hostzi.com/panel//data/inex.php
UDP:
  • DNS ASK http://bo####.hostzi.com/panel/
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''

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