Win32.HLLW.Autoruner.56577

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caaoq' = '%HOMEPATH%\caaoq.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caaoq' = '%HOMEPATH%\caaoq.exe /e'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caaoq' = '%HOMEPATH%\caaoq.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caaoq' = '%HOMEPATH%\caaoq.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caaoq' = '%HOMEPATH%\caaoq.exe /C'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caaoq' = '%HOMEPATH%\caaoq.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caaoq' = '%HOMEPATH%\caaoq.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caaoq' = '%HOMEPATH%\caaoq.exe /p'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caaoq' = '%HOMEPATH%\caaoq.exe /H'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Sxikihuvuw' = 'rundll32.exe "%WINDIR%\mcaczca.dll",Startup'
[<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\2706157792] 'Name' = '"%TEMP%\2.tmp"'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caaoq' = '%HOMEPATH%\caaoq.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caaoq' = '%HOMEPATH%\caaoq.exe /J'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caaoq' = '%HOMEPATH%\caaoq.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caaoq' = '%HOMEPATH%\caaoq.exe /s'

Creates the following files on removable media:

Malicious functions:

To complicate detection of its presence in the operating system,

forces the system hide from view:

Creates and executes the following:

Executes the following:

Injects code into

the following system processes:

Modifies settings of Windows Internet Explorer:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1208' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1200' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1001' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2000' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1405' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1209' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{A8A88C49-5EB2-4990-A1A2-0876022C854F}' = ''
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{AEBA21FA-782A-4A90-978D-B72164C80120}' = ''
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1A10' = '00000000'

Modifies file system :

Creates the following files:

Sets the 'hidden' attribute to the following files:

Deletes the following files:

Deletes itself.

Miscellaneous:

Searches for the following windows: