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Win32.HLLW.Autoruner2.3927

Aggiunto al database dei virus Dr.Web: 2014-01-30

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '979837944f997ec14a652adddf3b5729' = '"%TEMP%\Yahoo! Messenger.exe" ..'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '979837944f997ec14a652adddf3b5729' = '"%TEMP%\Yahoo! Messenger.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\Yahoo! Messenger.exe' = '%TEMP%\Yahoo! Messenger.exe:*:Enabled:Yahoo! Messenger.exe'
Creates and executes the following:
  • '%TEMP%\Yahoo! Messenger.exe'
Executes the following:
  • '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\Yahoo! Messenger.exe" "Yahoo! Messenger.exe" ENABLE
Modifies file system :
Creates the following files:
  • %TEMP%\Yahoo! Messenger.exe
Network activity:
Connects to:
  • 'ir#####omlx.no-ip.org':1177
UDP:
  • DNS ASK ir#####omlx.no-ip.org
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: '(null)'