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Win32.HLLW.Autoruner.61830

Added to the Dr.Web virus database: 2011-10-04

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'winlogon' = '%WINDIR%\win_sp.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\Autorun.inf
  • <Drive name for removable media>:\<Virus name>.exe
Malicious functions:
Creates and executes the following:
  • <Current directory>\server.exe 
Modifies file system :
Creates the following files:
  • C:\Autorun.inf
  • %WINDIR%\win_sp.exe
  • <Current directory>\server.exe
  • C:\<Virus name>.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\<Virus name>.exe
  • <Drive name for removable media>:\Autorun.inf
  • C:\<Virus name>.exe
  • C:\Autorun.inf
Network activity:
Connects to:
  • 'in####ri.no-ip.org':8080
  • 'in####ri.no-ip.org':5001
UDP:
  • DNS ASK in####ri.no-ip.org
  • '<Private IP address>':1036