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Win32.HLLW.Autoruner1.25020

Added to the Dr.Web virus database: 2012-08-17

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Genuine Windows Watch' = '%TEMP%\genuine.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Genuine Windows Watch' = '%TEMP%\genuine.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'RunTime32' = 'RunTime32'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\RecycleBin\trash\msempty.exe
  • <Drive name for removable media>:\RecycleBin\trash\Desktop.ini
Malicious functions:
Injects code into
the following system processes:
  • %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
  • %TEMP%\genuine.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\RecycleBin\trash\msempty.exe
  • %TEMP%\genuine.exe
Network activity:
Connects to:
  • 'dn####203.dyndns.dk':1337
  • 'co####-01.ath.cx':1338
UDP:
  • DNS ASK dn####203.dyndns.dk
  • DNS ASK co####-01.ath.cx
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''