Function at 0x404580
Capabilities:
Accept command line arguments
Copy file
Delete file
Get common file path
Get file attributes
Get file system object information
Set current directory
Set environment variable
Shutdown system
Terminate process

Disassembly:
push ebp
mov ebp, esp
push edi
push esi
lea esi, [ebp - 0x3e8]
push ebx
sub esp, 0x42c
mov dword [esp], 0x8001
call dword [sym.imp.KERNEL32.dll_SetErrorMode]
mov ebx, dword [sym.imp.KERNEL32.dll_GetVersionExW]
mov dword [ebp - 0x3e8], 0x11c
push eax
xor eax, eax
mov dword [ebp - 0x3d4], eax
mov dword [ebp - 0x2d4], eax
mov dword [ebp - 0x2d0], eax
mov dword [esp], esi
call ebx
push edx
test eax, eax
jne 0x404602
mov dword [ebp - 0x3e8], 0x114
mov dword [esp], esi
call ebx
xor eax, eax
cmp word [ebp - 0x3d4], 0x53
mov byte [ebp - 0x2ce], 4
push edi
jne 0x4045fb
mov ax, word [ebp - 0x3ba]
sub eax, 0x30
mov word [ebp - 0x2d4], ax
mov ecx, dword [ebp - 0x3e4]
cmp ecx, 9
ja 0x404617
and dword [ebp - 0x3dc], 0xffff
mov eax, dword [ebp - 0x3dc]
movzx edx, byte [ebp - 0x2ce]
shl ecx, 8
mov dword [0x419058], eax
mov eax, dword [ebp - 0x2d4]
shl eax, 8
or eax, edx
movzx edx, byte [ebp - 0x3e0]
movzx eax, ax
or edx, ecx
shl edx, 0x10
or eax, edx
mov dword [0x41905c], eax
shr eax, 0x10
cmp ax, 0x600
je 0x40466f
xor ebx, ebx
mov dword [esp], ebx
call fcn.00408654
push esi
test eax, eax
je 0x40466f
mov dword [esp], 0xc00
call eax
push ecx
mov ebx, str.UXTHEME
cmp byte [ebx], 0
je 0x404692
mov dword [esp], ebx
call fcn.004085c6
push eax
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea ebx, [ebx + eax + 1]
push edx
jmp 0x404674
mov dword [esp], 0xc
call fcn.00408654
push ebx
mov dword [esp], 0xa
call fcn.00408654
push esi
mov dword [0x42fa44], eax
mov dword [esp], 8
call fcn.00408654
push edi
test eax, eax
je 0x4046d7
mov dword [esp], 0x1e
call eax
push ecx
test eax, eax
je 0x4046d7
or byte [0x41905c], 0x80
call dword [sym.imp.COMCTL32.dll_InitCommonControls]
xor edi, edi
xor ebx, ebx
mov dword [esp], edi
call dword [sym.imp.ole32.dll_OleInitialize]
xor ecx, ecx
push edx
mov dword [section..bss], eax
lea eax, [ebp - 0x2cc]
mov dword [esp + 0x10], ecx
mov dword [esp + 0xc], 0x2b4
mov dword [esp + 8], eax
mov dword [esp + 4], ebx
mov dword [esp], 0x40c4da
call dword [sym.imp.SHELL32.dll_SHGetFileInfoW]
sub esp, 0x14
mov dword [esp + 4], str.NSIS_Error
mov dword [esp], 0x42fa60
call fcn.00408341
push esi
push esi
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
mov edi, dword [0x40c974]
lea ecx, [edi + 0xa000]
mov dword [esp + 4], eax
mov dword [esp], ecx
mov dword [ebp - 0x400], ecx
call fcn.00408341
push eax
push eax
xor eax, eax
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov dword [0x42fa48], eax
push edx
movzx eax, word [edi + 0xa000]
lea edx, [edi + 0xa002]
cmp ax, 0x22
je 0x404787
mov edx, dword [ebp - 0x400]
mov eax, 0x20
mov dword [esp], edx
mov dword [esp + 4], eax
call fcn.00407c1f
push ebx
push ebx
mov dword [esp], eax
call dword [sym.imp.USER32.dll_CharNextW]
mov dword [ebp - 0x404], eax
push esi
xor esi, esi
cmp word [eax], 0
je 0x404864
movzx edx, word [eax]
cmp dx, 0x20
jne 0x4047bf
add eax, 2
jmp 0x4047b1
cmp dx, 0x22
jne 0x4047ca
add eax, 2
jmp 0x4047cf
mov edx, 0x20
cmp word [eax], 0x2f
jne 0x404844
cmp word [eax + 2], 0x53
lea ebx, [eax + 2]
jne 0x4047f1
test word [eax + 4], 0xffdf
jne 0x4047f1
mov dword [0x419040], 1
cmp dword [eax + 6], 0x430052
jne 0x404811
cmp dword [eax + 2], 0x43004e
jne 0x404811
test word [eax + 0xa], 0xffdf
mov ecx, 4
cmove esi, ecx
cmp dword [eax + 2], 0x3d0044
jne 0x404842
cmp dword [eax - 2], 0x2f0020
jne 0x404842
mov word [eax - 2], 0
add eax, 6
mov dword [esp + 4], eax
lea eax, [edi + 0xa800]
mov dword [esp], eax
call fcn.00408341
push ecx
push ecx
jmp 0x404864
mov eax, ebx
mov dword [esp + 4], edx
mov dword [esp], eax
call fcn.00407c1f
push edx
push edx
cmp word [eax], 0x22
jne 0x4047a7
add eax, 2
jmp 0x4047a7
mov eax, dword [sym.imp.KERNEL32.dll_GetTempPathW]
lea ebx, [edi + 0xc800]
mov dword [esp], 0x400
mov dword [esp + 4], ebx
mov dword [ebp - 0x3fc], eax
call eax
push eax
push eax
call fcn.004044c0
test eax, eax
je 0x4048bb
lea eax, [edi + 0xc000]
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push ecx
mov dword [esp], esi
call fcn.0040410e
mov dword [ebp - 0x3fc], eax
push esi
xor esi, esi
test eax, eax
jne 0x404c08
jmp 0x40495c
mov dword [esp + 4], 0x3fb
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryW]
push eax
push eax
mov dword [esp + 4], str.Temp
mov dword [esp], ebx
call sub.KERNEL32.dll_lstrcatW
push edx
push edx
call fcn.004044c0
test eax, eax
jne 0x40488d
mov dword [esp + 4], ebx
mov eax, dword [ebp - 0x3fc]
mov dword [esp], 0x3fc
call eax
push eax
push eax
mov dword [esp + 4], 0x40c4fe
mov dword [esp], ebx
call sub.KERNEL32.dll_lstrcatW
mov edx, dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableW]
push eax
push eax
mov dword [ebp - 0x3fc], edx
mov dword [esp + 4], ebx
mov dword [esp], str.TEMP
call edx
mov edx, dword [ebp - 0x3fc]
push eax
push eax
mov dword [esp + 4], ebx
mov dword [esp], 0x40c510
call edx
push eax
push eax
call fcn.004044c0
test eax, eax
jne 0x40488d
mov dword [ebp - 0x3fc], str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x404c06
cmp dword [0x41b924], 0
je 0x404bf3
mov eax, dword [ebp - 0x400]
xor ecx, ecx
mov dword [esp + 4], ecx
mov dword [esp], eax
call fcn.00407c1f
push esi
push esi
mov ecx, dword [ebp - 0x400]
cmp eax, ecx
jb 0x4049f0
cmp dword [eax + 4], 0x3d003f
je 0x404997
sub eax, 2
jmp 0x40497f
cmp dword [eax], 0x5f0020
jne 0x404992
lea ebx, [eax + 8]
mov word [eax], 0
mov dword [esp], ebx
call fcn.00408512
push edx
test eax, eax
jne 0x4049c3
mov dword [ebp - 0x3fc], str.Error_launching_installer
jmp 0x404c06
lea eax, [edi + 0xa800]
mov dword [esp + 4], ebx
mov dword [esp], eax
call fcn.00408341
lea eax, [edi + 0xb000]
push esi
push esi
mov dword [esp + 4], ebx
mov dword [esp], eax
call fcn.00408341
push edi
push edi
jmp 0x404bf3
call fcn.004086a0
mov dword [esp], ebx
lea esi, [edi + 0x2800]
mov dword [ebp - 0x410], eax
call sub.KERNEL32.dll_lstrlenW
mov dword [ebp - 0x400], eax
lea eax, [edi + 0x3000]
push edx
mov dword [ebp - 0x408], eax
mov eax, dword [ebp - 0x404]
mov dword [esp], edi
mov dword [esp + 4], eax
call fcn.00408341
push ecx
push ecx
cmp word [edi + 0xa800], 0
jne 0x404a54
lea eax, [edi + 0xb800]
mov dword [esp + 4], eax
lea eax, [edi + 0xa800]
mov dword [esp], eax
call fcn.00408341
push eax
push eax
mov word [ebp - 0x404], 1
mov eax, dword [ebp - 0x400]
lea eax, [edi + eax*2 + 0xc800]
mov dword [ebp - 0x40c], eax
xor eax, eax
mov dword [ebp - 0x400], eax
movzx eax, word [ebp - 0x404]
mov dword [ebp - 0x414], eax
mov eax, dword [ebp - 0x414]
mov dword [esp + 4], str.nsu_X.tmp
mov dword [esp + 8], eax
mov eax, dword [ebp - 0x40c]
mov dword [esp], eax
call dword [sym.imp.USER32.dll_wsprintfW]
mov eax, dword [0x41b930]
mov eax, dword [eax + 0x120]
mov dword [esp], esi
mov dword [esp + 4], eax
call fcn.004086c6
cmp dword [ebp - 0x410], 0
push ecx
push ecx
mov dword [esp], ebx
je 0x404ad2
call fcn.00407a68
jmp 0x404ad7
call fcn.00407ac8
push edx
test eax, eax
je 0x404b30
mov dword [esp], esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
bt eax, 0xa
push ecx
jb 0x404be1
mov dword [esp], esi
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push edx
test eax, eax
je 0x404be1
mov dword [esp + 4], 1
mov dword [esp], ebx
call fcn.00408c57
cmp dword [ebp - 0x400], 0
push eax
push eax
jne 0x404be1
mov dword [ebp - 0x400], 1
jmp 0x404a85
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
xor eax, eax
push ecx
mov dword [esp + 4], eax
mov dword [esp], ebx
call fcn.00408c12
push eax
push eax
lea eax, [edi + 0xd800]
mov dword [esp + 8], 1
mov dword [esp + 4], esi
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_CopyFileW]
sub esp, 0xc
test eax, eax
je 0x4049b4
xor eax, eax
mov dword [esp], esi
mov dword [esp + 4], eax
call fcn.00408c12
push eax
push eax
mov eax, dword [0x41b930]
mov eax, dword [eax + 0x124]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x408]
mov dword [esp], eax
call fcn.004086c6
push eax
push eax
mov eax, dword [ebp - 0x408]
mov dword [esp], eax
call fcn.00407af4
push edx
test eax, eax
je 0x404bbe
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ecx
jmp 0x404c06
cmp dword [ebp - 0x400], 0
jne 0x4049b4
mov dword [esp], esi
call fcn.004084da
push edx
test eax, eax
je 0x404b21
jmp 0x4049b4
inc word [ebp - 0x404]
jne 0x404a70
jmp 0x4049b4
mov dword [0x41904c], 0xffffffff
call fcn.0040651b
mov esi, eax
jmp 0x404c08
xor esi, esi
call fcn.0040451b
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [ebp - 0x3fc], 0
mov ebx, dword [sym.imp.KERNEL32.dll_ExitProcess]
je 0x404c46
mov eax, dword [ebp - 0x3fc]
mov dword [esp + 4], 0x200010
mov dword [esp], eax
call fcn.00407bb3
push eax
push eax
mov dword [esp], 2
jmp 0x404d4e
cmp dword [0x419034], 0
je 0x404d40
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
lea edx, [ebp - 0x3ec]
mov dword [esp + 4], 0x28
mov dword [esp + 8], edx
mov dword [esp], eax
call dword [sym.imp.ADVAPI32.dll_OpenProcessToken]
sub esp, 0xc
test eax, eax
je 0x404cdf
lea eax, [ebp - 0x2c8]
mov dword [esp + 4], str.SeShutdownPrivilege
lea edi, [ebp - 0x2cc]
mov dword [esp + 8], eax
xor eax, eax
mov dword [esp], eax
call dword [sym.imp.ADVAPI32.dll_LookupPrivilegeValueW]
xor eax, eax
mov dword [ebp - 0x2cc], 1
mov dword [ebp - 0x2c0], 2
sub esp, 0xc
mov dword [esp + 0x14], eax
mov dword [esp + 0x10], eax
mov dword [esp + 0xc], eax
xor eax, eax
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x3ec]
mov dword [esp + 8], edi
mov dword [esp], eax
call dword [sym.imp.ADVAPI32.dll_AdjustTokenPrivileges]
sub esp, 0x18
mov dword [esp], 4
call fcn.00408654
push edi
test eax, eax
jne 0x404d0d
mov dword [esp + 4], 0x80040002
mov dword [esp], 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
push ecx
push ecx
test eax, eax
je 0x404d33
jmp 0x404d40
xor edx, edx
mov dword [esp + 0x10], 0x80040002
mov dword [esp + 0xc], 0x25
mov dword [esp + 8], edx
mov dword [esp + 4], edx
mov dword [esp], edx
call eax
sub esp, 0x14
test eax, eax
jne 0x404cf0
mov dword [esp], 9
call fcn.00403bad
push eax
mov eax, dword [0x41904c]
cmp eax, 0xffffffff
cmove eax, esi
mov dword [esp], eax
call ebx