Win32.HLLW.Autoruner2.2746

Added to the Dr.Web virus database: 2014-01-12

Virus description added: 2014-01-26

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '9fee4dbe258bcac4d0c3c34ef613d438' = '"%TEMP%\Trojananou.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '9fee4dbe258bcac4d0c3c34ef613d438' = '"%TEMP%\Trojananou.exe" ..'

Malicious functions:

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

[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\Trojananou.exe' = '%TEMP%\Trojananou.exe:*:Enabled:Trojananou.exe'

Creates and executes the following:

Executes the following:

'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\Trojananou.exe" "Trojananou.exe" ENABLE

Modifies file system :

Creates the following files:

Network activity:

Connects to:

UDP:

Miscellaneous:

Searches for the following windows: