Function at 0x40357f
Capabilities:
Accept command line arguments
Copy file
Create directory
Delete file
Get common file path
Get file system object information
Set current directory
Shutdown system
Terminate process

Disassembly:
sub esp, 0x180
push ebx
push ebp
push esi
xor ebx, ebx
push edi
mov dword [esp + 0x18], ebx
mov dword [esp + 0x10], str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
xor esi, esi
mov byte [esp + 0x14], 0x20
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 8
mov dword [0x449398], eax
call fcn.00406551
mov dword [0x4492e4], eax
push ebx
lea eax, [esp + 0x34]
push 0x160
push eax
push ebx
push 0x42b47c
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
push str.NSIS_Error
push 0x4452e0
call fcn.0040605c
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
mov edi, 0x472000
push eax
push edi
call fcn.0040605c
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x472000], 0x22
mov dword [0x4492e0], eax
mov eax, edi
jne 0x403620
mov byte [esp + 0x14], 0x22
mov eax, 0x472001
push dword [esp + 0x14]
push eax
call fcn.00405b70
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x1c], eax
mov cl, byte [eax]
cmp cl, bl
je 0x4036b1
cmp cl, 0x20
jne 0x403646
inc eax
cmp byte [eax], 0x20
je 0x403640
cmp byte [eax], 0x22
mov byte [esp + 0x14], 0x20
jne 0x403656
inc eax
mov byte [esp + 0x14], 0x22
cmp byte [eax], 0x2f
jne 0x40368e
inc eax
cmp byte [eax], 0x53
jne 0x40366f
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x40366f
or esi, 2
cmp dword [eax], 0x4352434e
jne 0x403685
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x403685
or esi, 4
cmp dword [eax - 2], 0x3d442f20
je 0x4036a0
push dword [esp + 0x14]
push eax
call fcn.00405b70
cmp byte [eax], 0x22
jne 0x403635
inc eax
jmp 0x403635
mov dword [eax - 2], ebx
add eax, 2
push eax
push 0x474000
call fcn.0040605c
mov ebp, 0x47c000
push ebp
push 0x2000
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.0040354b
test eax, eax
jne 0x4036ef
push 0x1ffb
push ebp
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebp
call fcn.0040607f
call fcn.0040354b
test eax, eax
je 0x403774
push 0x47a000
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
push esi
call fcn.004030d2
cmp eax, ebx
mov dword [esp + 0x10], eax
jne 0x403774
cmp dword [0x4492fc], ebx
je 0x40375d
push ebx
push edi
call fcn.00405b70
mov esi, eax
cmp esi, edi
jb 0x403728
cmp dword [esi], 0x3d3f5f20
je 0x403728
dec esi
jmp 0x403719
cmp esi, edi
mov dword [esp + 0x10], str.Error_launching_installer
jb 0x40379f
mov byte [esi], bl
add esi, 4
push esi
call fcn.00405c28
test eax, eax
je 0x403774
push esi
push 0x474000
call fcn.0040605c
push esi
push 0x476000
call fcn.0040605c
mov dword [esp + 0x10], ebx
or dword [0x44938c], 0xffffffff
call fcn.00403a08
push 1
mov dword [esp + 0x1c], eax
call fcn.0040637d
call fcn.00403909
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [esp + 0x10], ebx
je 0x40386e
push 0x200010
push dword [esp + 0x14]
call fcn.004058a6
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push str.nsu.tmp
push ebp
call fcn.0040607f
mov esi, 0x478000
push esi
push ebp
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x403774
push ebx
push ebp
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
push ebp
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
cmp byte [0x474000], bl
jne 0x4037dd
push esi
push 0x474000
call fcn.0040605c
push dword [esp + 0x1c]
push section..ndata
call fcn.0040605c
push 0x1a
mov word [0x44c000], 0x41
pop edi
mov esi, 0x42947c
mov eax, dword [0x4492f0]
push dword [eax + 0x120]
push esi
call fcn.00406090
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
cmp dword [esp + 0x10], ebx
je 0x403859
push 1
push esi
push 0x480000
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x403859
push ebx
push esi
call fcn.00405da9
mov eax, dword [0x4492f0]
push dword [eax + 0x124]
push esi
call fcn.00406090
push esi
call fcn.00405836
cmp eax, ebx
je 0x403859
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [esp + 0x10], ebx
inc byte [0x44c000]
dec edi
jne 0x4037fc
push ebx
push ebp
call fcn.00405da9
jmp 0x403774
cmp dword [0x449374], ebx
je 0x4038f1
push 3
call fcn.00406551
push 4
mov ebp, eax
call fcn.00406551
push 5
mov esi, eax
call fcn.00406551
cmp ebp, ebx
mov edi, eax
je 0x4038dd
cmp esi, ebx
je 0x4038dd
cmp edi, ebx
je 0x4038dd
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x4038dd
lea eax, [esp + 0x24]
push eax
push str.SeShutdownPrivilege
push ebx
call esi
push ebx
push ebx
lea eax, [esp + 0x28]
push ebx
push eax
push ebx
push dword [esp + 0x30]
mov dword [esp + 0x38], 1
mov dword [esp + 0x44], 2
call edi
push ebx
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x4038f1
push 9
call fcn.00401430
mov eax, dword [0x44938c]
cmp eax, 0xffffffff
je 0x4038ff
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]