Function at 0x40440a
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 0x40448c
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 0x404485
mov ax, word [ebp - 0x3ba]
sub eax, 0x30
mov word [ebp - 0x2d4], ax
mov ecx, dword [ebp - 0x3e4]
cmp ecx, 9
ja 0x4044a1
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 0x4044f9
xor ebx, ebx
mov dword [esp], ebx
call fcn.004084e0
push esi
test eax, eax
je 0x4044f9
mov dword [esp], 0xc00
call eax
push ecx
mov ebx, str.UXTHEME
cmp byte [ebx], 0
je 0x40451c
mov dword [esp], ebx
call fcn.00408452
push eax
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea ebx, [ebx + eax + 1]
push edx
jmp 0x4044fe
mov dword [esp], 0xc
call fcn.004084e0
push ebx
mov dword [esp], 0xa
call fcn.004084e0
push esi
mov dword [0x4395a4], eax
mov dword [esp], 8
call fcn.004084e0
push edi
test eax, eax
je 0x404561
mov dword [esp], 0x1e
call eax
push ecx
test eax, eax
je 0x404561
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], 0x40c41a
call dword [sym.imp.SHELL32.dll_SHGetFileInfoW]
sub esp, 0x14
mov dword [esp + 4], str.NSIS_Error
mov dword [esp], 0x4395c0
call fcn.004081cd
push esi
push esi
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
mov edi, dword [0x40c8b4]
lea ecx, [edi + 0xa000]
mov dword [esp + 4], eax
mov dword [esp], ecx
mov dword [ebp - 0x400], ecx
call fcn.004081cd
push eax
push eax
xor eax, eax
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov dword [0x4395a8], eax
push edx
movzx eax, word [edi + 0xa000]
lea edx, [edi + 0xa002]
cmp ax, 0x22
je 0x404611
mov edx, dword [ebp - 0x400]
mov eax, 0x20
mov dword [esp], edx
mov dword [esp + 4], eax
call fcn.00407aab
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 0x4046ee
movzx edx, word [eax]
cmp dx, 0x20
jne 0x404649
add eax, 2
jmp 0x40463b
cmp dx, 0x22
jne 0x404654
add eax, 2
jmp 0x404659
mov edx, 0x20
cmp word [eax], 0x2f
jne 0x4046ce
cmp word [eax + 2], 0x53
lea ebx, [eax + 2]
jne 0x40467b
test word [eax + 4], 0xffdf
jne 0x40467b
mov dword [0x419040], 1
cmp dword [eax + 6], 0x430052
jne 0x40469b
cmp dword [eax + 2], 0x43004e
jne 0x40469b
test word [eax + 0xa], 0xffdf
mov ecx, 4
cmove esi, ecx
cmp dword [eax + 2], 0x3d0044
jne 0x4046cc
cmp dword [eax - 2], 0x2f0020
jne 0x4046cc
mov word [eax - 2], 0
add eax, 6
mov dword [esp + 4], eax
lea eax, [edi + 0xa800]
mov dword [esp], eax
call fcn.004081cd
push ecx
push ecx
jmp 0x4046ee
mov eax, ebx
mov dword [esp + 4], edx
mov dword [esp], eax
call fcn.00407aab
push edx
push edx
cmp word [eax], 0x22
jne 0x404631
add eax, 2
jmp 0x404631
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.00404368
test eax, eax
je 0x404745
lea eax, [edi + 0xc000]
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push ecx
mov dword [esp], esi
call fcn.00404057
mov dword [ebp - 0x3fc], eax
push esi
xor esi, esi
test eax, eax
jne 0x404a92
jmp 0x4047e6
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.00404368
test eax, eax
jne 0x404717
mov dword [esp + 4], ebx
mov eax, dword [ebp - 0x3fc]
mov dword [esp], 0x3fc
call eax
push eax
push eax
mov dword [esp + 4], 0x40c43e
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], 0x40c450
call edx
push eax
push eax
call fcn.00404368
test eax, eax
jne 0x404717
mov dword [ebp - 0x3fc], str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x404a90
cmp dword [0x41b944], 0
je 0x404a7d
mov eax, dword [ebp - 0x400]
xor ecx, ecx
mov dword [esp + 4], ecx
mov dword [esp], eax
call fcn.00407aab
push esi
push esi
mov ecx, dword [ebp - 0x400]
cmp eax, ecx
jb 0x40487a
cmp dword [eax + 4], 0x3d003f
je 0x404821
sub eax, 2
jmp 0x404809
cmp dword [eax], 0x5f0020
jne 0x40481c
lea ebx, [eax + 8]
mov word [eax], 0
mov dword [esp], ebx
call fcn.0040839e
push edx
test eax, eax
jne 0x40484d
mov dword [ebp - 0x3fc], str.Error_launching_installer
jmp 0x404a90
lea eax, [edi + 0xa800]
mov dword [esp + 4], ebx
mov dword [esp], eax
call fcn.004081cd
lea eax, [edi + 0xb000]
push esi
push esi
mov dword [esp + 4], ebx
mov dword [esp], eax
call fcn.004081cd
push edi
push edi
jmp 0x404a7d
call fcn.0040852c
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.004081cd
push ecx
push ecx
cmp word [edi + 0xa800], 0
jne 0x4048de
lea eax, [edi + 0xb800]
mov dword [esp + 4], eax
lea eax, [edi + 0xa800]
mov dword [esp], eax
call fcn.004081cd
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 [0x41b950]
mov eax, dword [eax + 0x120]
mov dword [esp], esi
mov dword [esp + 4], eax
call fcn.00408552
cmp dword [ebp - 0x410], 0
push ecx
push ecx
mov dword [esp], ebx
je 0x40495c
call fcn.004078f4
jmp 0x404961
call fcn.00407954
push edx
test eax, eax
je 0x4049ba
mov dword [esp], esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
bt eax, 0xa
push ecx
jb 0x404a6b
mov dword [esp], esi
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push edx
test eax, eax
je 0x404a6b
mov dword [esp + 4], 1
mov dword [esp], ebx
call fcn.00408ae3
cmp dword [ebp - 0x400], 0
push eax
push eax
jne 0x404a6b
mov dword [ebp - 0x400], 1
jmp 0x40490f
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.00408a9e
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 0x40483e
xor eax, eax
mov dword [esp], esi
mov dword [esp + 4], eax
call fcn.00408a9e
push eax
push eax
mov eax, dword [0x41b950]
mov eax, dword [eax + 0x124]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x408]
mov dword [esp], eax
call fcn.00408552
push eax
push eax
mov eax, dword [ebp - 0x408]
mov dword [esp], eax
call fcn.00407980
push edx
test eax, eax
je 0x404a48
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ecx
jmp 0x404a90
cmp dword [ebp - 0x400], 0
jne 0x40483e
mov dword [esp], esi
call fcn.00408366
push edx
test eax, eax
je 0x4049ab
jmp 0x40483e
inc word [ebp - 0x404]
jne 0x4048fa
jmp 0x40483e
mov dword [0x41904c], 0xffffffff
call fcn.004063a7
mov esi, eax
jmp 0x404a92
xor esi, esi
call fcn.004043c3
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [ebp - 0x3fc], 0
mov ebx, dword [sym.imp.KERNEL32.dll_ExitProcess]
je 0x404ad0
mov eax, dword [ebp - 0x3fc]
mov dword [esp + 4], 0x200010
mov dword [esp], eax
call fcn.00407a3f
push eax
push eax
mov dword [esp], 2
jmp 0x404bd8
cmp dword [0x419034], 0
je 0x404bca
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 0x404b69
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.004084e0
push edi
test eax, eax
jne 0x404b97
mov dword [esp + 4], 0x80040002
mov dword [esp], 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
push ecx
push ecx
test eax, eax
je 0x404bbd
jmp 0x404bca
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 0x404b7a
mov dword [esp], 9
call fcn.00403bd0
push eax
mov eax, dword [0x41904c]
cmp eax, 0xffffffff
cmove eax, esi
mov dword [esp], eax
call ebx
nop
nop