Function at 0x403326
Capabilities:
Accept command line arguments
Copy file
Create directory
Delete file
Get common file path
Get file system object information
Set current directory
Set environment variable
Shutdown system
Terminate process

Disassembly:
sub esp, 0x178
push ebx
push ebp
push esi
push edi
xor ebx, ebx
mov byte [esp + 0x10], 0x20
mov ebp, ebx
mov edi, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push 0x8001
call dword [sym.imp.KERNEL32.dll_SetErrorMode]
push ebx
call dword [sym.imp.ole32.dll_OleInitialize]
push 9
mov dword [0x452120], eax
call fcn.00405ee3
push ebx
push 0x160
mov dword [0x44e0b0], eax
lea eax, [esp + 0x30]
push eax
push ebx
push 0x40844b
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
push str.NSIS_Error
push 0x44e0c0
call fcn.004060c6
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
push eax
mov esi, 0x47b000
push esi
call fcn.004060c6
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x47b000], 0x22
mov dword [0x44e0b4], eax
mov eax, esi
jne 0x4033c0
mov byte [esp + 0x10], 0x22
mov eax, 0x47b001
push dword [esp + 0x10]
push eax
call fcn.00405bde
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov esi, eax
mov dword [esp + 0x14], esi
jmp 0x403455
push 0x20
pop ecx
cmp al, cl
jne 0x4033e5
inc esi
cmp byte [esi], cl
je 0x4033e0
cmp byte [esi], 0x22
mov byte [esp + 0x10], cl
jne 0x4033f4
inc esi
mov byte [esp + 0x10], 0x22
cmp byte [esi], 0x2f
jne 0x403443
inc esi
cmp byte [esi], 0x53
jne 0x403414
mov al, byte [esi + 1]
cmp al, cl
je 0x40340a
test al, al
jne 0x403414
mov dword [0x4521a0], 1
cmp dword [esi - 2], 0x3d442f20
je 0x403461
cmp dword [esi], 0x6f666e69
jne 0x403443
mov al, byte [esi + 4]
cmp al, cl
je 0x403430
test al, al
jne 0x403443
push 0x40
push 0x408458
push 0x408464
push ebx
call dword [sym.imp.USER32.dll_MessageBoxA]
push dword [esp + 0x10]
push esi
call fcn.00405bde
mov esi, eax
cmp byte [esi], 0x22
jne 0x403455
inc esi
mov al, byte [esi]
test al, al
jne 0x4033d9
jmp 0x403472
lea eax, [esi + 2]
mov byte [esi - 2], bl
push eax
push 0x47d000
call fcn.004060c6
mov esi, dword [sym.imp.KERNEL32.dll_GetTempPathA]
mov ebx, 0x485000
push ebx
push 0x2000
call esi
call fcn.00403736
test eax, eax
jne 0x4034e4
push 0x1ffb
push ebx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebx
call sub.KERNEL32.dll_lstrcatA
call fcn.00403736
test eax, eax
jne 0x4034e4
push ebx
push 0x1ffc
call esi
push 0x4084a4
push ebx
call sub.KERNEL32.dll_lstrcatA
mov esi, dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
push ebx
push str.TEMP
call esi
push ebx
push 0x4084b0
call esi
call fcn.00403736
test eax, eax
je 0x403567
mov ebx, dword [sym.imp.KERNEL32.dll_DeleteFileA]
push 0x483000
call ebx
push 0
call fcn.0040300f
mov edi, eax
test edi, edi
jne 0x403567
cmp dword [0x4520c4], ebp
je 0x403559
push eax
push 0x47b000
call fcn.00405bde
mov esi, eax
mov eax, 0x47b000
jmp 0x403523
cmp dword [esi], 0x3d3f5f20
je 0x403527
dec esi
cmp esi, eax
jae 0x40351a
mov edi, str.Error_launching_installer
cmp esi, eax
jb 0x40358d
xor ebx, ebx
mov byte [esi], bl
add esi, 4
push esi
call fcn.00405c1b
test eax, eax
je 0x403567
push esi
push 0x47d000
call fcn.004060c6
push esi
push 0x47f000
call fcn.004060c6
mov edi, ebx
or dword [0x4521ac], 0xffffffff
call fcn.0040532a
mov ebp, eax
call fcn.004032fc
call dword [sym.imp.ole32.dll_OleUninitialize]
test edi, edi
je 0x403676
push 0x200010
push edi
call fcn.00406054
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push str.nsu.tmp
mov esi, 0x485000
push esi
call sub.KERNEL32.dll_lstrcatA
push 0x481000
push esi
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x403567
push 0
push esi
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
push esi
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
cmp byte [0x47d000], 0
jne 0x4035d5
push 0x481000
push 0x47d000
call fcn.004060c6
push dword [esp + 0x14]
push section..ndata
call fcn.004060c6
push 0x41
pop eax
push 0x1a
mov word [0x455000], ax
pop esi
mov eax, dword [0x4520d0]
push dword [eax + 0x120]
push 0x431cf8
call fcn.004056e8
push 0x431cf8
call ebx
test edi, edi
je 0x40365d
push 1
push 0x431cf8
push 0x489000
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x40365d
push 0
push 0x431cf8
call fcn.0040598b
mov eax, dword [0x4520d0]
push dword [eax + 0x124]
push 0x431cf8
call fcn.004056e8
push 0x431cf8
call fcn.00405cb4
test eax, eax
je 0x40365d
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor edi, edi
inc byte [0x455000]
dec esi
jne 0x4035ef
push esi
push 0x485000
call fcn.0040598b
jmp 0x403567
cmp dword [0x452194], 0
je 0x403722
push 4
call fcn.00405ee3
push 5
mov ebx, eax
call fcn.00405ee3
push 6
mov esi, eax
call fcn.00405ee3
mov edi, eax
test ebx, ebx
je 0x4036ef
test esi, esi
je 0x4036ef
test edi, edi
je 0x4036ef
lea eax, [esp + 0x14]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebx
test eax, eax
je 0x4036ef
lea eax, [esp + 0x1c]
push eax
push str.SeShutdownPrivilege
push 0
call esi
push 0
push 0
push 0
lea eax, [esp + 0x24]
mov dword [esp + 0x24], 1
push eax
push 0
push dword [esp + 0x28]
mov dword [esp + 0x3c], 2
call edi
push 7
call fcn.00405ee3
mov esi, 0x80040002
test eax, eax
je 0x40370e
push esi
push 0x25
push 0
push 0
push 0
call eax
test eax, eax
je 0x40371b
push esi
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x403722
push 9
call fcn.00401424
cmp dword [0x4521ac], 0xffffffff
cmovne ebp, dword [0x4521ac]
push ebp
jmp 0x403587