Function at 0x4030de
Capabilities:
Accept command line arguments
Check os version
Copy file
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
push edi
xor ebx, ebx
push 0x8001
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x14], str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
xor esi, esi
mov byte [esp + 0x18], 0x20
call dword [sym.imp.KERNEL32.dll_SetErrorMode]
call dword [sym.imp.KERNEL32.dll_GetVersion]
cmp ax, 6
je 0x403125
push ebx
call fcn.00405efe
cmp eax, ebx
je 0x403125
push 0xc00
call eax
push str.UXTHEME
call fcn.00405e94
push str.USERENV
call fcn.00405e94
push str.SETUPAPI
call fcn.00405e94
push 0xd
call fcn.00405efe
push 0xb
call fcn.00405efe
mov dword [0x423f64], eax
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
push ebx
call dword [sym.imp.ole32.dll_OleInitialize]
mov dword [0x424018], eax
push ebx
lea eax, [esp + 0x34]
push 0x160
push eax
push ebx
push 0x41f510
call dword [sym.imp.SHELL32.dll_SHGetFileInfoA]
push str.NSIS_Error
push 0x423760
call fcn.00405b72
call dword [sym.imp.KERNEL32.dll_GetCommandLineA]
mov ebp, 0x42a000
push eax
push ebp
call fcn.00405b72
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
cmp byte [0x42a000], 0x22
mov dword [0x423f60], eax
mov eax, ebp
jne 0x4031c1
mov byte [esp + 0x14], 0x22
mov eax, 0x42a001
push dword [esp + 0x14]
push eax
call fcn.00405690
push eax
call dword [sym.imp.USER32.dll_CharNextA]
mov dword [esp + 0x1c], eax
jmp 0x40323b
cmp cl, 0x20
jne 0x4031e3
inc eax
cmp byte [eax], 0x20
je 0x4031dd
cmp byte [eax], 0x22
mov byte [esp + 0x14], 0x20
jne 0x4031f3
inc eax
mov byte [esp + 0x14], 0x22
cmp byte [eax], 0x2f
jne 0x40322b
inc eax
cmp byte [eax], 0x53
jne 0x40320c
mov cl, byte [eax + 1]
or cl, 0x20
cmp cl, 0x20
jne 0x40320c
or esi, 2
cmp dword [eax], 0x4352434e
jne 0x403222
mov cl, byte [eax + 4]
or cl, 0x20
cmp cl, 0x20
jne 0x403222
or esi, 4
cmp dword [eax - 2], 0x3d442f20
je 0x403243
push dword [esp + 0x14]
push eax
call fcn.00405690
cmp byte [eax], 0x22
jne 0x40323b
inc eax
mov cl, byte [eax]
cmp cl, bl
jne 0x4031d8
jmp 0x403254
mov dword [eax - 2], ebx
add eax, 2
push eax
push 0x42a400
call fcn.00405b72
mov edi, 0x42b400
push edi
push 0x400
call dword [sym.imp.KERNEL32.dll_GetTempPathA]
call fcn.004030ad
test eax, eax
jne 0x40328e
push 0x3fb
push edi
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
push str.Temp
push edi
call sub.KERNEL32.dll_lstrcatA
call fcn.004030ad
test eax, eax
je 0x40330c
push 0x42b000
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
push esi
call fcn.00402c38
cmp eax, ebx
mov dword [esp + 0x10], eax
jne 0x40330c
cmp dword [0x423f7c], ebx
je 0x4032fc
push ebx
push ebp
call fcn.00405690
mov esi, eax
jmp 0x4032c3
cmp dword [esi], 0x3d3f5f20
je 0x4032c7
dec esi
cmp esi, ebp
jae 0x4032ba
cmp esi, ebp
mov dword [esp + 0x10], str.Error_launching_installer
jb 0x403337
mov byte [esi], bl
add esi, 4
push esi
call fcn.00405746
test eax, eax
je 0x40330c
push esi
push 0x42a400
call fcn.00405b72
push esi
push 0x42a800
call fcn.00405b72
mov dword [esp + 0x10], ebx
or dword [0x42400c], 0xffffffff
call fcn.004035c5
mov dword [esp + 0x18], eax
call fcn.004034eb
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [esp + 0x10], ebx
je 0x403430
push 0x200010
push dword [esp + 0x14]
call fcn.00405433
push 2
call dword [sym.imp.KERNEL32.dll_ExitProcess]
call fcn.004053ba
push str.nsu
push edi
mov esi, eax
call sub.KERNEL32.dll_lstrcatA
cmp esi, ebx
je 0x403358
push 0x409148
push edi
call sub.KERNEL32.dll_lstrcatA
push str..tmp
push edi
call sub.KERNEL32.dll_lstrcatA
mov ebp, 0x42ac00
push ebp
push edi
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
je 0x40330c
cmp esi, ebx
push edi
je 0x403380
call fcn.00405320
jmp 0x403385
call fcn.0040539d
push edi
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryA]
cmp byte [0x42a400], bl
jne 0x40339f
push ebp
push 0x42a400
call fcn.00405b72
push dword [esp + 0x1c]
push section..ndata
call fcn.00405b72
push 0x1a
mov word [0x425400], 0x41
pop ebp
mov esi, 0x41f110
mov eax, dword [0x423f70]
push dword [eax + 0x120]
push esi
call fcn.00405b94
push esi
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
cmp dword [esp + 0x10], ebx
je 0x40341b
push 1
push esi
push 0x42bc00
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x40341b
push ebx
push esi
call fcn.004058c0
mov eax, dword [0x423f70]
push dword [eax + 0x124]
push esi
call fcn.00405b94
push esi
call fcn.004053d2
cmp eax, ebx
je 0x40341b
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [esp + 0x10], ebx
inc byte [0x425400]
dec ebp
jne 0x4033be
push ebx
push edi
call fcn.004058c0
jmp 0x40330c
cmp dword [0x423ff4], ebx
je 0x4034d3
push 5
call fcn.00405efe
push 6
mov ebp, eax
call fcn.00405efe
push 7
mov esi, eax
call fcn.00405efe
cmp ebp, ebx
mov edi, eax
je 0x4034a3
cmp esi, ebx
je 0x4034a3
cmp edi, ebx
je 0x4034a3
lea eax, [esp + 0x1c]
push eax
push 0x28
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call ebp
test eax, eax
je 0x4034a3
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 8
call fcn.00405efe
cmp eax, ebx
mov esi, 0x80040002
je 0x4034bf
push esi
push 0x25
push ebx
push ebx
push ebx
call eax
test eax, eax
je 0x4034cc
push esi
push 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
test eax, eax
jne 0x4034d3
push 9
call fcn.0040140b
mov eax, dword [0x42400c]
cmp eax, 0xffffffff
je 0x4034e1
mov dword [esp + 0x18], eax
push dword [esp + 0x18]
call dword [sym.imp.KERNEL32.dll_ExitProcess]