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Win32.HLLW.Autoruner2.5405

Aggiunto al database dei virus Dr.Web: 2014-01-28

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '597a3c671cb0e662fd9427d427989e43' = '"%TEMP%\Nj.exe" ..'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '597a3c671cb0e662fd9427d427989e43' = '"%TEMP%\Nj.exe" ..'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\597a3c671cb0e662fd9427d427989e43.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\Nj.exe' = '%TEMP%\Nj.exe:*:Enabled:Nj.exe'
Creates and executes the following:
  • '%TEMP%\Nj.exe'
  • '%TEMP%\265.exe'
Executes the following:
  • '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\Nj.exe" "Nj.exe" ENABLE
Modifies file system :
Creates the following files:
  • %TEMP%\Nj.exe
  • %TEMP%\265.exe
Network activity:
Connects to:
  • 'gh####2.no-ip.biz':1177
UDP:
  • DNS ASK gh####2.no-ip.biz
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: '(null)'