Win32.HLLW.Autoruner.52303

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'SystemErrorlog' = '%WINDIR%\Help\tmp.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'JavaRuntimeEnvirorment' = '<SYSTEM32>\update.kno'

Creates the following files on removable media:

Malicious functions:

To bypass firewall, removes or modifies the following registry keys:

[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\update.kno' = '<SYSTEM32>\update.kno:*:Enabled:Microsoft Update Sheduler'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:Microsoft Update Sheduler'

Creates and executes the following:

Modifies settings of Windows Internet Explorer:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Associations] 'LowRiskFileTypes' = '.exe;.chm;.kno'

Modifies file system :

Creates the following files:

Sets the 'hidden' attribute to the following files:

Network activity:

Connects to:

TCP:

HTTP GET requests:

HTTP POST requests:

UDP:

Miscellaneous:

Searches for the following windows: