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Win32.HLLW.Autoruner2.7360

Added to the Dr.Web virus database: 2014-02-19

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'bc1c8d13ee777aeee5d29d12d1c8862b' = '"%HOMEPATH%\iexplore.exe" ..'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'bc1c8d13ee777aeee5d29d12d1c8862b' = '"%HOMEPATH%\iexplore.exe" ..'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\bc1c8d13ee777aeee5d29d12d1c8862b.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\iexplore.exe' = '%HOMEPATH%\iexplore.exe:*:Enabled:iexplore.exe'
Creates and executes the following:
  • '%HOMEPATH%\iexplore.exe'
Executes the following:
  • '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%HOMEPATH%\iexplore.exe" "iexplore.exe" ENABLE
Modifies file system :
Creates the following files:
  • %HOMEPATH%\iexplore.exe
Network activity:
Connects to:
  • 'wi#######seajour.3utilities.com':5542
UDP:
  • DNS ASK wi#######seajour.3utilities.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: '(null)'
  • ClassName: 'Indicator' WindowName: '(null)'