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Win32.HLLW.Autoruner1.29331

Added to the Dr.Web virus database: 2012-11-06

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Mjjicrtuuuhguig ddd Manager' = '%HOMEPATH%\M-10-876858-88h-555h5\winraz.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\windsrcn.exe
  • <Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\M-10-876858-88h-555h5\winraz.exe' = '%HOMEPATH%\M-10-876858-88h-555h5\winraz.exe:*:Enabled:Mjjicrtuuuhguig ddd Manager'
Creates and executes the following:
  • %HOMEPATH%\M-10-876858-88h-555h5\winraz.exe
Modifies file system :
Creates the following files:
  • %HOMEPATH%\M-10-876858-88h-555h5\winraz.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\windsrcn.exe
  • %HOMEPATH%\M-10-876858-88h-555h5\winraz.exe
Network activity:
Connects to:
  • 'y2#.ru':5050
UDP:
  • DNS ASK y2#.ru
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''