Function at 0x40393f
Capabilities:
Accept command line arguments
Copy file
Create directory
Delete file
Get common file path
Get file system object information
Shutdown system
Terminate process

Disassembly:
sub esp, 0x180
push ebx
push ebp
push esi
xor esi, esi
push edi
mov dword [esp + 0x18], esi
mov ebx, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
mov dword [esp + 0x10], esi
mov byte [esp + 0x14], 0x20
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push esi
call dword [sym.imp.ole32.dll_OleInitialize]
mov dword [0x44bb10], eax
push esi
lea eax, [esp + 0x34]
push 0x160
push eax
push esi
push 0x42f3f4
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
push str.NSIS_Error
push 0x447a60
call fcn.0040644e
mov ebp, 0x47e000
mov edi, 0x2000
push ebp
push edi
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.0040390b
test eax, eax
jne 0x4039d4
push 0x1ffb
push ebp
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebp
call fcn.0040646c
call fcn.0040390b
test eax, eax
je 0x403b1f
mov esi, 0x474000
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
push edi
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_lstrcpynA]
xor edi, edi
push edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x474000], 0x22
mov dword [0x44ba60], eax
mov eax, esi
jne 0x403a12
mov byte [esp + 0x14], 0x22
mov eax, 0x474001
push dword [esp + 0x14]
push eax
call fcn.00405f7e
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x1c], eax
mov cl, byte [eax]
test cl, cl
je 0x403aa8
cmp cl, 0x20
jne 0x403a38
inc eax
cmp byte [eax], 0x20
je 0x403a32
cmp byte [eax], 0x22
mov byte [esp + 0x14], 0x20
jne 0x403a48
inc eax
mov byte [esp + 0x14], 0x22
cmp byte [eax], 0x2f
jne 0x403a84
inc eax
cmp byte [eax], 0x53
jne 0x403a63
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x403a63
or dword [esp + 0x10], 2
cmp dword [eax], 0x4352434e
jne 0x403a7b
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x403a7b
or dword [esp + 0x10], 4
cmp dword [eax - 2], 0x3d442f20
je 0x403a96
push dword [esp + 0x14]
push eax
call fcn.00405f7e
cmp byte [eax], 0x22
jne 0x403a27
inc eax
jmp 0x403a27
and byte [eax - 2], 0
add eax, 2
push eax
push 0x476000
call fcn.0040644e
push dword [esp + 0x10]
call fcn.004032c2
mov ebx, eax
cmp ebx, edi
jne 0x403b1f
cmp dword [0x44ba74], edi
je 0x403b08
push edi
push esi
call fcn.00405f7e
mov edi, eax
cmp edi, esi
jb 0x403ad7
cmp dword [edi], 0x3d3f5f20
je 0x403ad7
dec edi
jmp 0x403ac8
cmp edi, esi
mov ebx, str.Error_launching_installer
jb 0x403b45
and byte [edi], 0
add edi, 4
push edi
call fcn.00406035
test eax, eax
je 0x403b1f
push edi
push 0x476000
call fcn.0040644e
push edi
push 0x478000
call fcn.0040644e
xor ebx, ebx
or dword [0x44bb0c], 0xffffffff
call fcn.00403d68
push 1
mov dword [esp + 0x1c], eax
call fcn.00406757
call fcn.00403d0a
call dword [sym.imp.ole32.dll_OleUninitialize]
test ebx, ebx
je 0x403c57
push 0x200010
push ebx
call fcn.00405d05
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push str.nsu.tmp_
push ebp
call fcn.0040646c
push 0
push ebp
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
and dword [esp + 0x10], 0
mov esi, 0x4293f4
mov edi, 0x42d3f4
push ebp
push esi
mov word [0x4293f4], 0x22
call fcn.0040646c
push str.Au_.exe
push esi
call fcn.0040646c
push 0x4293f5
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
test ebx, ebx
je 0x403c3d
push 0x2000
push edi
push dword [0x44ba60]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
lea eax, [eax + 0x42d3ee]
push 0x40a77d
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x403b1f
push 0
push 0x4293f5
push edi
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x403c3d
push 0
push 0x4293f5
call fcn.00406197
cmp byte [0x476000], 0
je 0x403bf6
push 0x476000
push edi
call fcn.0040644e
jmp 0x403bfc
push edi
call fcn.00405f9a
push 0x40a7f4
push esi
call fcn.0040646c
push dword [esp + 0x1c]
push esi
call fcn.0040646c
push 0x40a7ec
push esi
call fcn.0040646c
push edi
push esi
call fcn.0040646c
push esi
call fcn.00405f53
push ebp
push esi
call fcn.00405c7e
test eax, eax
je 0x403c3d
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor ebx, ebx
inc byte [str.Au_.exe]
inc dword [esp + 0x10]
cmp dword [esp + 0x10], 0x1a
jl 0x403b68
jmp 0x403b1f
cmp dword [0x44baf4], 0
je 0x403cf2
mov esi, str.ADVAPI32.dll
push str.OpenProcessToken
push esi
call fcn.0040684e
push str.LookupPrivilegeValueA
push esi
mov ebp, eax
call fcn.0040684e
push str.AdjustTokenPrivileges
push esi
mov edi, eax
call fcn.0040684e
xor esi, esi
mov ebx, eax
cmp ebp, esi
je 0x403cde
cmp edi, esi
je 0x403cde
cmp ebx, esi
je 0x403cde
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x403cde
lea eax, [esp + 0x24]
push eax
push str.SeShutdownPrivilege
push esi
call edi
push esi
push esi
lea eax, [esp + 0x28]
push esi
push eax
push esi
push dword [esp + 0x30]
mov dword [esp + 0x38], 1
mov dword [esp + 0x44], 2
call ebx
push esi
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x403cf2
push 9
call fcn.00401518
mov eax, dword [0x44bb0c]
cmp eax, 0xffffffff
je 0x403d00
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]