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Win32.HLLW.Autoruner.53912

Added to the Dr.Web virus database: 2011-07-10

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'internet.exe' = '"%APPDATA%\internet.exe"'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'internet.exe' = '"%APPDATA%\internet.exe"'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\{%USERNAME%-#sphinx#}\internet.exe
Malicious functions:
Injects code into
the following system processes:
  • %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
  • %TEMP%\msdump150auro.tmp
  • %APPDATA%\Microsoft\Crypto\RSA\S-1-5-21-1275210071-117609710-1801674531-500\a18ca4003deb042bbee7a40f15e1970b_ffcb838e-6d3b-4e44-a259-8ac8f5c94c4f
  • %APPDATA%\Microsoft\Protect\S-1-5-21-1275210071-117609710-1801674531-500\3a1ed78c-229e-47d7-9db9-55809fe30092
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\{%USERNAME%-#sphinx#}\internet.exe
Moves itself:
  • from <Full path to virus> to %APPDATA%\internet.exe
Network activity:
Connects to:
  • 'me####ns.cdmon.org':7475
UDP:
  • DNS ASK me####ns.cdmon.org
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''
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