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Win32.HLLW.Autoruner2.15469

Aggiunto al database dei virus Dr.Web: 2014-06-12

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '642a73a0be7f25cb9b57b4c5a3f8d512' = '"%WINDIR%\update.exe" ..'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '642a73a0be7f25cb9b57b4c5a3f8d512' = '"%WINDIR%\update.exe" ..'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'a8_m_M_z_l_' = '%WINDIR%\Server.exe'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\642a73a0be7f25cb9b57b4c5a3f8d512.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\update.exe' = '%WINDIR%\update.exe:*:Enabled:update.exe'
Creates and executes the following:
  • '%WINDIR%\update.exe'
Executes the following:
  • '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%WINDIR%\update.exe" "update.exe" ENABLE
Modifies file system :
Creates the following files:
  • %WINDIR%\update.exe
  • %WINDIR%\Server.exe
Deletes the following files:
  • %WINDIR%\Server.exe
Network activity:
Connects to:
  • 'fr####no5.no-ip.biz':1177
UDP:
  • DNS ASK fr####no5.no-ip.biz
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: '(null)'