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Win32.HLLW.Autoruner1.45313

Added to the Dr.Web virus database: 2013-07-05

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sysdj32.exe' = '%APPDATA%\{XP-%USERNAME%}\sysdj32.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'sysdj32.exe' = '%APPDATA%\{XP-%USERNAME%}\sysdj32.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '0x220' = '%APPDATA%\{XP-%USERNAME%}\sysdj32.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\Updates\Drivers\sysdj32.exe
  • <Drive name for removable media>:\Updates\Drivers\Desktop.ini
Malicious functions:
Creates and executes the following:
  • '%APPDATA%\{XP-%USERNAME%}\sysdj32.exe'
Modifies file system :
Creates the following files:
  • %APPDATA%\{XP-%USERNAME%}\UDP_Module.dll
  • %APPDATA%\{XP-%USERNAME%}\sysdj32.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\Updates\Drivers\sysdj32.exe
  • <Drive name for removable media>:\autorun.inf
  • %APPDATA%\{XP-%USERNAME%}\UDP_Module.dll
  • %APPDATA%\{XP-%USERNAME%}\sysdj32.exe
Network activity:
Connects to:
  • 'vi###.##xisniperixxx.info':9425
UDP:
  • DNS ASK vi###.##xisniperixxx.info
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: '(null)'