Function at 0x404590
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]
push eax
xor eax, eax
mov dword [ebp - 0x3d4], eax
mov dword [ebp - 0x2d4], eax
mov dword [ebp - 0x2d0], eax
mov dword [ebp - 0x3e8], 0x11c
mov dword [esp], esi
call ebx
push edx
test eax, eax
jne 0x404612
mov dword [ebp - 0x3e8], 0x114
mov dword [esp], esi
call ebx
xor eax, eax
push edi
cmp word [ebp - 0x3d4], 0x53
mov byte [ebp - 0x2ce], 4
jne 0x40460b
mov ax, word [ebp - 0x3ba]
sub eax, 0x30
mov word [ebp - 0x2d4], ax
mov ecx, dword [ebp - 0x3e4]
cmp ecx, 9
ja 0x404627
and dword [ebp - 0x3dc], 0xffff
mov eax, dword [ebp - 0x3dc]
movzx edx, byte [ebp - 0x2d4]
shl ecx, 8
mov dword [0x418058], eax
movzx eax, byte [ebp - 0x2ce]
shl edx, 8
or eax, edx
movzx edx, byte [ebp - 0x3e0]
movzx eax, ax
or edx, ecx
shl edx, 0x10
or eax, edx
mov dword [0x41805c], eax
shr eax, 0x10
cmp ax, 0x600
je 0x404680
xor ebx, ebx
mov dword [esp], ebx
call fcn.00408f4a
push esi
test eax, eax
je 0x404680
mov dword [esp], 0xc00
call eax
push ecx
mov ebx, str.UXTHEME
cmp byte [ebx], 0
je 0x4046a3
mov dword [esp], ebx
call fcn.00408ebc
push eax
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea ebx, [ebx + eax + 1]
push edx
jmp 0x404685
mov dword [esp], 0xb
call fcn.00408f4a
push ebx
mov dword [esp], 9
call fcn.00408f4a
push esi
mov dword [0x42ea44], eax
mov dword [esp], 7
call fcn.00408f4a
push edi
test eax, eax
je 0x4046e8
mov dword [esp], 0x1e
call eax
push ecx
test eax, eax
je 0x4046e8
or byte [0x41805c], 0x80
call dword [sym.imp.COMCTL32.DLL_InitCommonControls]
xor ecx, ecx
xor edi, edi
xor esi, esi
mov dword [esp], ecx
call dword [sym.imp.ole32.dll_OleInitialize]
push ebx
mov dword [section..bss], eax
lea eax, [ebp - 0x2cc]
mov dword [esp + 4], edi
mov dword [esp + 0x10], esi
mov dword [esp + 0xc], 0x2b4
mov dword [esp + 8], eax
mov dword [esp], 0x40d4da
call dword [sym.imp.SHELL32.dll_SHGetFileInfoW]
sub esp, 0x14
mov dword [esp + 4], str.NSIS_Error
mov dword [esp], 0x42ea60
call fcn.00408439
push eax
push eax
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
mov edi, dword [0x40d974]
lea ecx, [edi + 0xa000]
mov dword [ebp - 0x3fc], ecx
mov dword [esp], ecx
mov dword [esp + 4], eax
call fcn.00408439
push eax
push eax
xor eax, eax
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov dword [0x42ea48], eax
push edx
movzx eax, word [edi + 0xa000]
lea edx, [edi + 0xa002]
cmp ax, 0x22
je 0x404798
mov edx, dword [ebp - 0x3fc]
mov eax, 0x20
mov dword [esp], edx
mov dword [esp + 4], eax
call fcn.00407d17
push esi
push esi
xor esi, esi
mov dword [esp], eax
call dword [sym.imp.USER32.dll_CharNextW]
push edx
mov dword [ebp - 0x400], eax
cmp word [eax], 0
je 0x404875
movzx edx, word [eax]
cmp dx, 0x20
jne 0x4047d0
add eax, 2
jmp 0x4047c2
cmp dx, 0x22
jne 0x4047db
add eax, 2
jmp 0x4047e0
mov edx, 0x20
cmp word [eax], 0x2f
jne 0x404855
cmp word [eax + 2], 0x53
lea ebx, [eax + 2]
jne 0x404802
test word [eax + 4], 0xffdf
jne 0x404802
mov dword [0x418040], 1
cmp dword [eax + 6], 0x430052
jne 0x404822
cmp dword [eax + 2], 0x43004e
jne 0x404822
test word [eax + 0xa], 0xffdf
mov ecx, 4
cmove esi, ecx
cmp dword [eax + 2], 0x3d0044
jne 0x404853
cmp dword [eax - 2], 0x2f0020
jne 0x404853
mov word [eax - 2], 0
add eax, 6
mov dword [esp + 4], eax
lea eax, [edi + 0xa800]
mov dword [esp], eax
call fcn.00408439
push ebx
push ebx
jmp 0x404875
mov eax, ebx
mov dword [esp + 4], edx
mov dword [esp], eax
call fcn.00407d17
push ecx
push ecx
cmp word [eax], 0x22
jne 0x4047b8
add eax, 2
jmp 0x4047b8
mov eax, dword [sym.imp.KERNEL32.dll_GetTempPathW]
lea ebx, [edi + 0xc800]
mov dword [esp], 0x400
mov dword [esp + 4], ebx
mov dword [ebp - 0x404], eax
call eax
push edx
push edx
call fcn.004044d0
test eax, eax
jne 0x404945
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.004044d0
test eax, eax
jne 0x404945
mov dword [esp + 4], ebx
mov dword [esp], 0x3fc
mov eax, dword [ebp - 0x404]
call eax
push ecx
push ecx
mov dword [esp + 4], 0x40d4fe
mov dword [esp], ebx
call sub.KERNEL32.dll_lstrcatW
mov edx, dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableW]
push eax
push eax
mov dword [esp + 4], ebx
mov dword [esp], str.TEMP
mov dword [ebp - 0x404], edx
call edx
push eax
push eax
mov dword [esp + 4], ebx
mov dword [esp], 0x40d510
mov edx, dword [ebp - 0x404]
call edx
push eax
push eax
call fcn.004044d0
test eax, eax
jne 0x404945
call fcn.0040452b
mov esi, str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
call dword [sym.imp.ole32.dll_OleUninitialize]
jmp 0x404c35
lea eax, [edi + 0xc000]
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push eax
mov dword [esp], esi
call fcn.0040411d
mov esi, eax
push edx
test eax, eax
jne 0x404c18
cmp dword [0x41a924], 0
je 0x404bfa
xor ecx, ecx
mov dword [esp + 4], ecx
mov eax, dword [ebp - 0x3fc]
mov dword [esp], eax
call fcn.00407d17
push esi
push esi
mov ecx, dword [ebp - 0x3fc]
cmp eax, ecx
jb 0x4049f1
cmp dword [eax + 4], 0x3d003f
je 0x4049a3
sub eax, 2
jmp 0x40498b
cmp dword [eax], 0x5f0020
jne 0x40499e
lea ebx, [eax + 8]
mov word [eax], 0
mov dword [esp], ebx
call fcn.00408b83
push edx
test eax, eax
je 0x404c25
lea eax, [edi + 0xa800]
mov dword [esp + 4], ebx
mov dword [esp], eax
call fcn.00408439
lea eax, [edi + 0xb000]
push esi
push esi
mov dword [esp + 4], ebx
mov dword [esp], eax
call fcn.00408439
push edi
push edi
jmp 0x404bfa
call fcn.00408f96
lea esi, [edi + 0x2800]
mov dword [ebp - 0x40c], eax
mov dword [esp], ebx
call sub.KERNEL32.dll_lstrlenW
push edx
mov dword [ebp - 0x3fc], eax
lea eax, [edi + 0x3000]
mov dword [ebp - 0x404], eax
mov eax, dword [ebp - 0x400]
mov dword [esp], edi
mov dword [esp + 4], eax
call fcn.00408439
push ecx
push ecx
cmp word [edi + 0xa800], 0
jne 0x404a55
lea eax, [edi + 0xb800]
mov dword [esp + 4], eax
lea eax, [edi + 0xa800]
mov dword [esp], eax
call fcn.00408439
push eax
push eax
mov word [ebp - 0x400], 1
mov eax, dword [ebp - 0x3fc]
lea eax, [edi + eax*2 + 0xc800]
mov dword [ebp - 0x408], eax
xor eax, eax
mov dword [ebp - 0x3fc], eax
movzx eax, word [ebp - 0x400]
mov dword [ebp - 0x410], eax
mov eax, dword [ebp - 0x410]
mov dword [esp + 4], str.nsu_X.tmp
mov dword [esp + 8], eax
mov eax, dword [ebp - 0x408]
mov dword [esp], eax
call dword [sym.imp.USER32.dll_wsprintfW]
mov eax, dword [0x41a930]
mov eax, dword [eax + 0x120]
mov dword [esp], esi
mov dword [esp + 4], eax
call fcn.004085d2
push ecx
push ecx
cmp dword [ebp - 0x40c], 0
mov dword [esp], ebx
je 0x404ad3
call fcn.00407b60
jmp 0x404ad8
call fcn.00407bc0
push edx
test eax, eax
je 0x404b31
mov dword [esp], esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
bt eax, 0xa
push ecx
jb 0x404beb
mov dword [esp], esi
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push edx
test eax, eax
je 0x404beb
mov dword [esp + 4], 1
mov dword [esp], ebx
call fcn.00408c37
push eax
push eax
cmp dword [ebp - 0x3fc], 0
jne 0x404beb
mov dword [ebp - 0x3fc], 1
jmp 0x404a86
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.00408b06
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 0x404c25
xor eax, eax
mov dword [esp], esi
mov dword [esp + 4], eax
call fcn.00408b06
push eax
push eax
mov eax, dword [0x41a930]
mov eax, dword [eax + 0x124]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x404]
mov dword [esp], eax
call fcn.004085d2
push eax
push eax
mov eax, dword [ebp - 0x404]
mov dword [esp], eax
call fcn.00407bec
push edx
test eax, eax
je 0x404bcf
mov dword [esp], eax
xor ebx, ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ecx
call fcn.0040452b
call dword [sym.imp.ole32.dll_OleUninitialize]
jmp 0x404c53
cmp dword [ebp - 0x3fc], 0
jne 0x404c25
mov dword [esp], esi
call fcn.00408b4b
push edx
test eax, eax
je 0x404b22
jmp 0x404c25
inc word [ebp - 0x400]
jne 0x404a71
jmp 0x404c25
mov dword [0x41804c], 0xffffffff
call fcn.00406582
mov ebx, eax
call fcn.0040452b
call dword [sym.imp.ole32.dll_OleUninitialize]
jmp 0x404c53
call fcn.0040452b
call dword [sym.imp.ole32.dll_OleUninitialize]
jmp 0x404c35
call fcn.0040452b
mov esi, str.Error_launching_installer
call dword [sym.imp.ole32.dll_OleUninitialize]
mov dword [esp + 4], 0x200010
mov dword [esp], esi
call fcn.00407cab
push eax
push eax
mov dword [esp], 2
jmp 0x404d5b
cmp dword [0x418034], 0
je 0x404d4d
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 0x404cec
lea eax, [ebp - 0x2c8]
xor edi, edi
mov dword [esp + 4], str.SeShutdownPrivilege
lea esi, [ebp - 0x2cc]
mov dword [esp + 8], eax
mov dword [esp], edi
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 + 8], esi
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x3ec]
mov dword [esp], eax
call dword [sym.imp.ADVAPI32.dll_AdjustTokenPrivileges]
sub esp, 0x18
mov dword [esp], 4
call fcn.00408f4a
push esi
test eax, eax
jne 0x404d1a
mov dword [esp + 4], 0x80040002
mov dword [esp], 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
push ecx
push ecx
test eax, eax
je 0x404d40
jmp 0x404d4d
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 0x404cfd
mov dword [esp], 9
call fcn.00403bb8
push eax
mov eax, dword [0x41804c]
cmp eax, 0xffffffff
cmovne ebx, eax
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_ExitProcess]