Function at 0x4036df
Capabilities:
Accept command line arguments
Check for time delay via gettickcount
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, 0x188
push ebx
push ebp
push esi
xor ebx, ebx
push edi
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x10], str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
mov dword [esp + 0x18], ebx
mov byte [esp + 0x14], 0x20
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov dword [esp + 0x20], eax
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 [0x44a938], eax
call fcn.00406039
push ebx
push 0x160
mov dword [0x44a848], eax
lea eax, [esp + 0x40]
push eax
push ebx
push 0x409b0f
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
push str.NSIS_Error
push 0x446840
call fcn.00405d8f
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
push eax
mov edi, 0x473050
push edi
call fcn.00405d8f
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x473050], 0x22
mov dword [0x44a850], eax
mov eax, edi
jne 0x40378c
mov byte [esp + 0x14], 0x22
mov eax, 0x473051
push dword [esp + 0x14]
push eax
call fcn.00405aca
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov esi, eax
mov dword [esp + 0x24], esi
jmp 0x40382a
cmp al, 0x20
jne 0x4037b2
inc esi
cmp byte [esi], 0x20
je 0x4037ac
cmp byte [esi], 0x22
mov byte [esp + 0x14], 0x20
jne 0x4037c2
inc esi
mov byte [esp + 0x14], 0x22
cmp byte [esi], 0x2f
jne 0x403818
inc esi
cmp byte [esi], 0x53
jne 0x4037dd
mov al, byte [esi + 1]
cmp al, 0x20
je 0x4037d8
cmp al, bl
jne 0x4037dd
or dword [esp + 0x18], 2
push 4
pop ebp
push ebp
push str.NCRC
push esi
call fcn.00403667
add esp, 0xc
test eax, eax
jne 0x403802
mov al, byte [esi + 4]
cmp al, 0x20
je 0x4037fe
cmp al, bl
jne 0x403802
or dword [esp + 0x18], ebp
push ebp
lea eax, [esi - 2]
push str.__D
push eax
call fcn.00403667
add esp, 0xc
test eax, eax
je 0x403836
push dword [esp + 0x14]
push esi
call fcn.00405aca
mov esi, eax
cmp byte [esi], 0x22
jne 0x40382a
inc esi
mov al, byte [esi]
cmp al, bl
jne 0x4037a8
jmp 0x403852
push ebp
lea eax, [esi - 2]
push ebx
push eax
call fcn.0040835d
add esp, 0xc
add esi, 2
push esi
push 0x475054
call fcn.00405d8f
mov ebp, 0x47d064
push ebp
push 0x2004
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.00403633
test eax, eax
jne 0x403890
push 0x1fff
push ebp
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push ebp
call sub.KERNEL32.dll_lstrcatA
call fcn.00403633
test eax, eax
je 0x403942
push 0x47b060
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
push dword [esp + 0x18]
call fcn.004033ee
cmp eax, ebx
mov dword [esp + 0x10], eax
jne 0x403942
cmp dword [0x44a8a4], ebx
je 0x403915
push ebx
push edi
call fcn.00405aca
mov esi, eax
jmp 0x4038d8
push 4
push str.___
push esi
call fcn.00403667
add esp, 0xc
test eax, eax
je 0x4038dc
dec esi
cmp esi, edi
jae 0x4038c3
cmp esi, edi
mov dword [esp + 0x10], str.Error_launching_installer
jb 0x40396d
mov byte [esi], bl
add esi, 4
push esi
call fcn.0040645f
test eax, eax
je 0x403942
push esi
push 0x475054
call fcn.00405d8f
push esi
push 0x477058
call fcn.00405d8f
mov dword [esp + 0x10], ebx
or dword [0x44a92c], 0xffffffff
call fcn.00405712
mov dword [esp + 0x1c], eax
call dword [sym.imp.KERNEL32.dll_GetTickCount]
sub eax, dword [esp + 0x20]
push eax
push dword [esp + 0x20]
call fcn.00407642
pop ecx
pop ecx
push 1
call fcn.00405e58
call fcn.004036b5
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [esp + 0x10], ebx
je 0x403a42
push 0x200010
push dword [esp + 0x14]
call fcn.00405a66
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
push str.nsu.tmp
push ebp
call sub.KERNEL32.dll_lstrcatA
mov esi, 0x47905c
push esi
push ebp
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x403942
push ebx
push ebp
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
push ebp
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
cmp byte [0x475054], bl
jne 0x4039ab
push esi
push 0x475054
call fcn.00405d8f
push dword [esp + 0x24]
push section..ndata
call fcn.00405d8f
push 0x409ad4
push 0x44d004
call fcn.00405d8f
push 0x1a
pop edi
mov esi, 0x42a9b0
mov eax, dword [0x44a854]
push dword [eax + 0x134]
push esi
call fcn.004064e1
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
cmp dword [esp + 0x10], ebx
je 0x403a2d
push 1
push esi
push 0x48106c
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x403a2d
push ebx
push esi
call fcn.004068c9
mov eax, dword [0x44a854]
push dword [eax + 0x138]
push esi
call fcn.004064e1
push esi
call fcn.00405a05
cmp eax, ebx
je 0x403a2d
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [esp + 0x10], ebx
inc byte [0x44d004]
dec edi
jne 0x4039d0
push ebx
push ebp
call fcn.004068c9
jmp 0x403942
cmp dword [0x44a914], ebx
je 0x403ac5
push 3
call fcn.00406039
push 4
mov ebp, eax
call fcn.00406039
push 5
mov esi, eax
call fcn.00406039
cmp ebp, ebx
mov edi, eax
je 0x403ab1
cmp esi, ebx
je 0x403ab1
cmp edi, ebx
je 0x403ab1
lea eax, [esp + 0x20]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x403ab1
lea eax, [esp + 0x2c]
push eax
push str.SeShutdownPrivilege
push ebx
call esi
push ebx
push ebx
push ebx
lea eax, [esp + 0x34]
push eax
push ebx
push dword [esp + 0x34]
mov dword [esp + 0x40], 1
mov dword [esp + 0x4c], 2
call edi
push ebx
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x403ac5
push 9
call fcn.00401414
mov eax, dword [0x44a92c]
cmp eax, 0xffffffff
je 0x403ad3
mov dword [esp + 0x1c], eax
push dword [esp + 0x1c]
jmp 0x403967