Function at 0x4044b6
Capabilities:
Accept command line arguments
Copy file
Delete file
Get common file path
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, 0x41c
mov dword [esp], 0x8001
call dword [sym.imp.KERNEL32.dll_SetErrorMode]
mov ebx, dword [sym.imp.KERNEL32.dll_GetVersionExW]
mov dword [ebp - 0x3d4], 0
push edi
mov dword [ebp - 0x2d4], 0
mov dword [ebp - 0x2d0], 0
mov dword [ebp - 0x3e8], 0x11c
mov dword [esp], esi
call ebx
push edx
test eax, eax
jne 0x404542
mov dword [esp], esi
mov dword [ebp - 0x3e8], 0x114
call ebx
xor eax, eax
cmp word [ebp - 0x3d4], 0x53
mov byte [ebp - 0x2ce], 4
push esi
jne 0x40453b
mov ax, word [ebp - 0x3ba]
sub eax, 0x30
mov word [ebp - 0x2d4], ax
mov ecx, dword [ebp - 0x3e4]
cmp ecx, 9
ja 0x404557
and dword [ebp - 0x3dc], 0xffff
mov eax, dword [ebp - 0x3dc]
shl ecx, 8
mov dword [0x43ca58], eax
movzx eax, byte [ebp - 0x2d4]
shl eax, 8
mov edx, eax
movzx eax, byte [ebp - 0x2ce]
or eax, edx
movzx edx, byte [ebp - 0x3e0]
movzx eax, ax
or edx, ecx
shl edx, 0x10
or eax, edx
mov dword [0x43ca5c], eax
shr eax, 0x10
cmp ax, 0x600
je 0x4045b4
mov dword [esp], 0
call fcn.00408f8f
push ebx
test eax, eax
je 0x4045b4
mov dword [esp], 0xc00
call eax
push ecx
mov ebx, str.UXTHEME
mov dword [esp], ebx
call fcn.00408eff
push edi
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea ebx, [ebx + eax + 1]
push edx
cmp byte [ebx], 0
jne 0x4045b9
mov dword [esp], 0xb
call fcn.00408f8f
push ecx
mov dword [esp], 9
call fcn.00408f8f
push ebx
mov dword [0x43cb04], eax
mov dword [esp], 7
call fcn.00408f8f
push esi
test eax, eax
je 0x40461a
mov dword [esp], 0x1e
call eax
push edx
test eax, eax
je 0x40461a
or byte [0x43ca5c], 0x80
call dword [sym.imp.COMCTL32.DLL_InitCommonControls]
mov dword [esp], 0
call dword [sym.imp.ole32.dll_OleInitialize]
push ecx
mov dword [0x43ca60], eax
lea eax, [ebp - 0x2cc]
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], 0x2b4
mov dword [esp + 8], eax
mov dword [esp + 4], 0
mov dword [esp], 0x40c43a
call dword [sym.imp.SHELL32.dll_SHGetFileInfoW]
sub esp, 0x14
mov dword [esp + 4], str.NSIS_Error
mov dword [esp], 0x43cb20
call fcn.00408447
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
mov ecx, dword [0x40c8f4]
add ecx, 0xa000
mov dword [esp + 4], eax
mov dword [esp], ecx
mov dword [ebp - 0x3fc], ecx
call fcn.00408447
push esi
push esi
mov dword [esp], 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov dword [0x43cb0c], eax
mov eax, dword [0x40c8f4]
push edi
movzx eax, word [eax + 0xa000]
cmp ax, 0x22
jne 0x4046d4
mov ecx, dword [0x40c8f4]
lea edx, [ecx + 0xa002]
jmp 0x4046df
mov edx, dword [ebp - 0x3fc]
mov eax, 0x20
mov dword [esp], edx
mov dword [esp + 4], eax
call fcn.00407cd9
push edi
push edi
xor edi, edi
mov dword [esp], eax
call dword [sym.imp.USER32.dll_CharNextW]
mov dword [ebp - 0x400], eax
push edx
cmp word [eax], 0
je 0x4047c0
movzx edx, word [eax]
cmp dx, 0x20
jne 0x404717
add eax, 2
jmp 0x404709
cmp dx, 0x22
jne 0x404722
add eax, 2
jmp 0x404727
mov edx, 0x20
cmp word [eax], 0x2f
jne 0x4047a0
cmp word [eax + 2], 0x53
lea ebx, [eax + 2]
jne 0x404749
test word [eax + 4], 0xffdf
jne 0x404749
mov dword [0x43ca40], 1
cmp dword [eax + 6], 0x430052
jne 0x404769
cmp dword [eax + 2], 0x43004e
jne 0x404769
test word [eax + 0xa], 0xffdf
mov ecx, 4
cmove edi, ecx
cmp dword [eax + 2], 0x3d0044
jne 0x40479e
cmp dword [eax - 2], 0x2f0020
jne 0x40479e
mov word [eax - 2], 0
add eax, 6
mov dword [esp + 4], eax
mov eax, dword [0x40c8f4]
add eax, 0xa800
mov dword [esp], eax
call fcn.00408447
push esi
push esi
jmp 0x4047c0
mov eax, ebx
mov dword [esp + 4], edx
mov dword [esp], eax
call fcn.00407cd9
push ebx
push ebx
cmp word [eax], 0x22
jne 0x4046ff
add eax, 2
jmp 0x4046ff
mov eax, dword [0x40c8f4]
mov dword [esp], 0x400
mov esi, dword [sym.imp.KERNEL32.dll_GetTempPathW]
lea ebx, [eax + 0xc800]
mov dword [esp + 4], ebx
call esi
push ecx
push ecx
call fcn.00404414
test eax, eax
je 0x404817
mov eax, dword [0x40c8f4]
add eax, 0xc000
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push eax
mov dword [esp], edi
xor edi, edi
call fcn.004040f1
mov esi, eax
push edx
test eax, eax
jne 0x404af2
jmp 0x4048a1
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 eax
push eax
call fcn.00404414
test eax, eax
jne 0x4047e9
mov dword [esp + 4], ebx
mov dword [esp], 0x3fc
call esi
push esi
push esi
mov dword [esp + 4], 0x40c45e
mov dword [esp], ebx
call sub.KERNEL32.dll_lstrcatW
mov esi, dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableW]
push eax
push eax
mov dword [esp + 4], ebx
mov dword [esp], str.TEMP
call esi
push eax
push eax
mov dword [esp + 4], ebx
mov dword [esp], 0x40c470
call esi
push eax
push eax
call fcn.00404414
test eax, eax
jne 0x4047e9
mov esi, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x404af0
cmp dword [0x43cae8], 0
je 0x404add
mov eax, dword [ebp - 0x3fc]
mov dword [esp + 4], 0
mov dword [esp], eax
call fcn.00407cd9
push ecx
push ecx
cmp dword [ebp - 0x3fc], eax
ja 0x404938
cmp dword [eax + 4], 0x3d003f
je 0x4048dc
sub eax, 2
jmp 0x4048c6
cmp dword [eax], 0x5f0020
jne 0x4048d7
lea ebx, [eax + 8]
mov word [eax], 0
mov dword [esp], ebx
call fcn.00408bc6
push edx
test eax, eax
jne 0x404903
mov esi, str.Error_launching_installer
jmp 0x404af0
mov eax, dword [0x40c8f4]
mov dword [esp + 4], ebx
add eax, 0xa800
mov dword [esp], eax
call fcn.00408447
mov eax, dword [0x40c8f4]
push edi
push edi
add eax, 0xb000
mov dword [esp + 4], ebx
mov dword [esp], eax
call fcn.00408447
push eax
push eax
jmp 0x404add
call fcn.00408fdb
mov dword [esp + 4], str.nsu
mov dword [esp], ebx
mov edi, eax
call sub.KERNEL32.dll_lstrcatW
push esi
push esi
test edi, edi
je 0x404967
mov dword [esp + 4], 0x40c482
mov dword [esp], ebx
call sub.KERNEL32.dll_lstrcatW
push ecx
push ecx
mov dword [esp + 4], str..tmp
mov dword [esp], ebx
call sub.KERNEL32.dll_lstrcatW
push eax
push eax
mov eax, dword [0x40c8f4]
lea esi, [eax + 0xb800]
mov dword [esp + 4], esi
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_lstrcmpiW]
push edx
push edx
test eax, eax
je 0x4048f9
mov dword [esp], ebx
test edi, edi
je 0x4049a9
call fcn.00407ad8
jmp 0x4049ae
call fcn.00407b6c
push eax
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
push eax
mov eax, dword [0x40c8f4]
cmp word [eax + 0xa800], 0
jne 0x4049db
add eax, 0xa800
mov dword [esp + 4], esi
mov dword [esp], eax
call fcn.00408447
push eax
push eax
mov eax, dword [ebp - 0x400]
mov edi, 0x1a
mov esi, str.Error_launching_installer
mov dword [esp + 4], eax
mov eax, dword [0x40c8f4]
mov dword [esp], eax
call fcn.00408447
push eax
push eax
mov eax, dword [0x40c8f4]
mov dword [eax + 0x800], 0x41
mov eax, dword [0x43ca80]
mov eax, dword [eax + 0x120]
mov dword [esp], 0x434480
mov dword [esp + 4], eax
call fcn.004085ed
push ecx
push ecx
mov dword [esp], 0x434480
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push eax
test esi, esi
je 0x404ab6
mov eax, dword [0x40c8f4]
mov dword [esp + 8], 1
mov dword [esp + 4], 0x434480
add eax, 0xd800
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_CopyFileW]
sub esp, 0xc
test eax, eax
je 0x404ab6
mov dword [esp + 4], 0
mov dword [esp], 0x434480
call fcn.00408b49
push eax
push eax
mov eax, dword [0x43ca80]
mov eax, dword [eax + 0x124]
mov dword [esp], 0x434480
mov dword [esp + 4], eax
call fcn.004085ed
push eax
push eax
mov dword [esp], 0x434480
call fcn.00407b9a
push edx
test eax, eax
je 0x404ab6
mov dword [esp], eax
xor esi, esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push eax
mov eax, dword [0x40c8f4]
inc word [eax + 0x800]
dec edi
jne 0x404a0d
mov dword [esp + 4], 0
mov dword [esp], ebx
call fcn.00408b49
push edi
push edi
jmp 0x404af0
mov dword [0x43ca4c], 0xffffffff
call fcn.004064b8
mov edi, eax
jmp 0x404af2
xor edi, edi
call fcn.0040446f
call dword [sym.imp.ole32.dll_OleUninitialize]
test esi, esi
mov ebx, dword [sym.imp.KERNEL32.dll_ExitProcess]
je 0x404b25
mov dword [esp], esi
mov dword [esp + 4], 0x200010
call fcn.00407c6d
push esi
push esi
mov dword [esp], 2
jmp 0x404c45
cmp dword [0x43ca34], 0
je 0x404c37
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 0x404bcc
lea eax, [ebp - 0x2c8]
mov dword [esp + 4], str.SeShutdownPrivilege
lea esi, [ebp - 0x2cc]
mov dword [esp + 8], eax
mov dword [esp], 0
call dword [sym.imp.ADVAPI32.dll_LookupPrivilegeValueW]
mov eax, dword [ebp - 0x3ec]
mov dword [ebp - 0x2cc], 1
mov dword [ebp - 0x2c0], 2
sub esp, 0xc
mov dword [esp + 0x14], 0
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], 0
mov dword [esp + 8], esi
mov dword [esp + 4], 0
mov dword [esp], eax
call dword [sym.imp.ADVAPI32.dll_AdjustTokenPrivileges]
sub esp, 0x18
mov dword [esp], 4
call fcn.00408f8f
push ecx
test eax, eax
jne 0x404bfa
mov dword [esp + 4], 0x80040002
mov dword [esp], 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
push edx
push edx
test eax, eax
je 0x404c2a
jmp 0x404c37
mov dword [esp + 0x10], 0x80040002
mov dword [esp + 0xc], 0x25
mov dword [esp + 8], 0
mov dword [esp + 4], 0
mov dword [esp], 0
call eax
sub esp, 0x14
test eax, eax
jne 0x404bdd
mov dword [esp], 9
call fcn.00403c5f
push eax
mov eax, dword [0x43ca4c]
cmp eax, 0xffffffff
cmovne edi, eax
mov dword [esp], edi
call ebx
nop