Win32.HLLW.Autoruner1.54781

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Application DataBTYhFmYiSm' = 'wscript.exe //B "%TEMP%\Application DataBTYhFmYiSm..vbs"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '12ce4e06a81e8d54fd01d9b762f1b1bb' = '"%TEMP%\system.exe" ..'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '12ce4e06a81e8d54fd01d9b762f1b1bb' = '"%TEMP%\system.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '18.exe' = '%APPDATA%Microsoft\System\Services\18.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '18.exe' = '%APPDATA%Microsoft\System\Services\18.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Application DataBTYhFmYiSm' = 'wscript.exe //B "%TEMP%\Application DataBTYhFmYiSm..vbs"'

Creates or modifies the following files:

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] '%TEMP%\system.exe' = '%TEMP%\system.exe:*:Enabled:system.exe'

Creates and executes the following:

Executes the following:

'<SYSTEM32>\wscript.exe' //B "%TEMP%\Application DataBTYhFmYiSm..vbs"
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\system.exe" "system.exe" ENABLE
'<SYSTEM32>\wscript.exe' "<LS_APPDATA>BTYhFmYiSm..vbs"

Modifies file system :

Creates the following files:

Sets the 'hidden' attribute to the following files:

Network activity:

Connects to:

UDP:

Miscellaneous:

Searches for the following windows: