Function at 0x404141
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:
push ebp
mov ebp, esp
push edi
push esi
push ebx
sub esp, 0x1ac
call dword [sym.imp.COMCTL32.DLL_InitCommonControls]
mov dword [esp], 0x8001
call dword [sym.imp.KERNEL32.dll_SetErrorMode]
push ebx
mov dword [esp], 0
call dword [sym.imp.ole32.dll_OleInitialize]
push esi
mov dword [0x7a9570], eax
mov dword [esp], 8
call fcn.00407e03
mov dword [0x7a9640], eax
push edi
lea eax, [ebp - 0x178]
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], 0x160
mov dword [esp + 8], eax
mov dword [esp + 4], 0
mov dword [esp], 0x40b2a9
call dword [sym.imp.SHELL32.DLL_SHGetFileInfoA]
sub esp, 0x14
mov dword [esp + 4], str.NSIS_Error
mov dword [esp], 0x7a9680
call fcn.004078a6
push eax
push eax
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
mov dword [esp], 0x7b2000
mov dword [esp + 4], eax
call fcn.004078a6
push eax
push eax
mov dword [esp], 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov dword [0x7a9648], eax
movsx eax, byte [0x7b2000]
push edx
mov edx, 0x7b2001
cmp al, 0x22
je 0x404213
mov edx, 0x7b2000
mov eax, 0x20
mov dword [esp], edx
mov dword [esp + 4], eax
xor ebx, ebx
call fcn.00407494
push edx
push edx
mov dword [esp], eax
call dword [sym.imp.USER32.dll_CharNextA]
push ecx
mov dword [ebp - 0x18c], eax
cmp byte [eax], 0
je 0x4042d5
mov cl, byte [eax]
cmp cl, 0x20
jne 0x404246
inc eax
jmp 0x40423c
cmp cl, 0x22
mov edx, 0x20
jne 0x404256
inc eax
mov edx, 0x22
cmp byte [eax], 0x2f
jne 0x4042b8
cmp byte [eax + 1], 0x53
lea edi, [eax + 1]
jne 0x404275
mov cl, byte [eax + 2]
mov esi, ebx
or esi, 2
or ecx, 0x20
cmp cl, 0x20
cmove ebx, esi
cmp dword [eax + 1], 0x4352434e
jne 0x40428f
mov cl, byte [eax + 5]
mov esi, ebx
or esi, 4
or ecx, 0x20
cmp cl, 0x20
cmove ebx, esi
cmp dword [eax - 1], 0x3d442f20
jne 0x4042b6
mov dword [eax - 1], 0
add eax, 3
mov dword [esp], 0x7b2400
mov dword [esp + 4], eax
call fcn.004078a6
push edi
push edi
jmp 0x4042d5
mov eax, edi
mov dword [esp + 4], edx
mov dword [esp], eax
call fcn.00407494
xor edx, edx
push esi
push esi
cmp byte [eax], 0x22
sete dl
add eax, edx
jmp 0x404233
mov dword [esp + 4], 0x7b3400
mov dword [esp], 0x400
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
push ecx
push ecx
call fcn.0040409c
test eax, eax
je 0x40431c
mov dword [esp], 0x7b3000
mov edi, dword [sym.imp.KERNEL32.dll_DeleteFileA]
call edi
push eax
mov dword [esp], ebx
xor ebx, ebx
call fcn.00403d83
test eax, eax
push edx
mov esi, eax
jne 0x4044d2
jmp 0x40435c
mov dword [esp + 4], 0x3fb
mov dword [esp], 0x7b3400
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push esi
push esi
mov dword [esp + 4], str.Temp
mov dword [esp], 0x7b3400
call fcn.004078d9
push edi
push edi
call fcn.0040409c
test eax, eax
jne 0x4042f5
mov esi, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x4044d0
cmp dword [0x7a9608], 0
je 0x4043c8
mov dword [esp + 4], 0
mov dword [esp], 0x7b2000
call fcn.00407494
push ecx
push ecx
cmp eax, 0x7b2000
jb 0x4043de
cmp dword [eax], 0x3d3f5f20
je 0x40438d
dec eax
jmp 0x40437b
lea ebx, [eax + 4]
mov byte [eax], 0
mov dword [esp], ebx
call fcn.00407d50
test eax, eax
push ecx
je 0x40462a
mov dword [esp + 4], ebx
mov dword [esp], 0x7b2400
call fcn.004078a6
push eax
push eax
mov dword [esp + 4], ebx
mov dword [esp], 0x7b2800
call fcn.004078a6
push edx
push edx
mov dword [0x7a9564], 0xffffffff
call fcn.00405dcc
mov ebx, eax
jmp 0x4044d2
mov dword [esp + 4], str.nsu.tmp
mov dword [esp], 0x7b3400
call fcn.004078d9
push eax
push eax
mov dword [esp + 4], 0x7b2c00
mov dword [esp], 0x7b3400
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
push edx
push edx
je 0x40462a
mov dword [esp + 4], 0
mov dword [esp], 0x7b3400
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
push eax
push eax
mov dword [esp], 0x7b3400
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
cmp byte [0x7b2400], 0
push eax
jne 0x404457
mov dword [esp + 4], 0x7b2c00
mov dword [esp], 0x7b2400
call fcn.004078a6
push eax
push eax
mov eax, dword [ebp - 0x18c]
mov dword [esp], section..ndata
mov ebx, 0x1a
mov esi, str.Error_launching_installer
mov dword [esp + 4], eax
call fcn.004078a6
push eax
push eax
mov word [0x7ad400], 0x41
mov eax, dword [0x7a9580]
mov eax, dword [eax + 0x120]
mov dword [esp], 0x7a55c0
mov dword [esp + 4], eax
call fcn.004079f6
push ecx
push ecx
mov dword [esp], 0x7a55c0
call edi
test esi, esi
push eax
jne 0x404634
inc byte [0x7ad400]
dec ebx
jne 0x404482
mov dword [esp + 4], 0
mov dword [esp], 0x7b3400
call fcn.00407e56
push ebx
push ebx
xor ebx, ebx
call fcn.00404100
call dword [sym.imp.ole32.dll_OleUninitialize]
test esi, esi
je 0x4044ff
mov dword [esp + 4], 0x200010
mov dword [esp], esi
call fcn.00407426
push ecx
push ecx
mov dword [esp], 2
jmp 0x404624
cmp dword [0x7a954c], 0
je 0x404616
mov dword [esp], 3
call fcn.00407e03
push edx
mov edi, eax
mov dword [esp], 4
call fcn.00407e03
push ecx
mov esi, eax
mov dword [esp], 5
call fcn.00407e03
test esi, esi
push edx
mov dword [ebp - 0x18c], eax
setne dl
test edi, edi
setne al
test dl, al
je 0x4045ee
cmp dword [ebp - 0x18c], 0
je 0x4045ee
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
lea edx, [ebp - 0x17c]
mov dword [esp + 4], 0x28
mov dword [esp], eax
mov dword [esp + 8], edx
call edi
sub esp, 0xc
test eax, eax
je 0x4045ee
lea eax, [ebp - 0x174]
mov dword [esp + 4], str.SeShutdownPrivilege
mov dword [esp], 0
lea edi, [ebp - 0x178]
mov dword [esp + 8], eax
call esi
mov eax, dword [ebp - 0x17c]
sub esp, 0xc
mov dword [ebp - 0x178], 1
mov dword [ebp - 0x16c], 2
mov dword [esp + 0x14], 0
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], 0
mov dword [esp + 8], edi
mov dword [esp + 4], 0
mov dword [esp], eax
call dword [ebp - 0x18c]
sub esp, 0x18
mov dword [esp + 4], 0
mov dword [esp], 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
push edi
push edi
jne 0x404616
mov dword [esp], 9
call fcn.004038ff
push esi
mov eax, dword [0x7a9564]
cmp eax, 0xffffffff
cmovne ebx, eax
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_ExitProcess]
mov esi, str.Error_launching_installer
jmp 0x4044d0
mov dword [esp + 8], 1
mov dword [esp + 4], 0x7a55c0
mov dword [esp], 0x7b3c00
call dword [sym.imp.KERNEL32.dll_CopyFileA]
sub esp, 0xc
test eax, eax
je 0x4044b1
mov dword [esp + 4], 0
mov dword [esp], 0x7a55c0
call fcn.00407e56
push eax
push eax
mov eax, dword [0x7a9580]
mov eax, dword [eax + 0x124]
mov dword [esp], 0x7a55c0
mov dword [esp + 4], eax
call fcn.004079f6
push eax
push eax
mov dword [esp], 0x7a55c0
call fcn.00407368
test eax, eax
push edx
je 0x4044b1
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push esi
xor esi, esi
jmp 0x4044b1