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Win32.HLLW.Autoruner.54981

Added to the Dr.Web virus database: 2011-07-24

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'homot3r.exe' = '"%APPDATA%\homot3r.exe"'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'homot3r.exe' = '"%APPDATA%\homot3r.exe"'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\{%USERNAME%-iwu9oijf0e9ij330urOIHO92w}\homot3r.exe
Malicious functions:
Injects code into
the following system processes:
  • %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
  • %TEMP%\~rafkkhm.tmp
  • %TEMP%\~salymca.tmp
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\{%USERNAME%-iwu9oijf0e9ij330urOIHO92w}\homot3r.exe
Deletes the following files:
  • %TEMP%\~salymca.tmp
Moves itself:
  • from <Full path to virus> to %APPDATA%\homot3r.exe
Network activity:
Connects to:
  • 'ar####3.no-ip.info':7080
UDP:
  • DNS ASK ar####3.no-ip.info
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''