Function at 0x404d3c
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 - 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 0x404dc8
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 0x404dc1
mov ax, word [ebp - 0x3ba]
sub eax, 0x30
mov word [ebp - 0x2d4], ax
mov ecx, dword [ebp - 0x3e4]
cmp ecx, 9
ja 0x404ddd
and dword [ebp - 0x3dc], 0xffff
mov eax, dword [ebp - 0x3dc]
shl ecx, 8
mov dword [0x416058], 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 [0x41605c], eax
shr eax, 0x10
cmp ax, 0x600
je 0x404e3a
mov dword [esp], 0
call fcn.004094ff
push ebx
test eax, eax
je 0x404e3a
mov dword [esp], 0xc00
call eax
push ecx
mov ebx, str.UXTHEME
mov dword [esp], ebx
call fcn.0040946f
push eax
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_lstrlenA]
lea ebx, [ebx + eax + 1]
push edx
cmp byte [ebx], 0
jne 0x404e3f
mov dword [esp], 0xc
call fcn.004094ff
push ebx
mov dword [esp], 0xa
call fcn.004094ff
push esi
mov dword [0x7b2aa4], eax
mov dword [esp], 8
call fcn.004094ff
push edi
test eax, eax
je 0x404ea0
mov dword [esp], 0x1e
call eax
push ecx
test eax, eax
je 0x404ea0
or byte [0x41605c], 0x80
call dword [sym.imp.COMCTL32.DLL_InitCommonControls]
mov dword [esp], 0
call dword [sym.imp.ole32.dll_OleInitialize]
push edi
mov dword [section..bss], 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], 0x40d17a
call dword [sym.imp.SHELL32.dll_SHGetFileInfoW]
sub esp, 0x14
mov dword [esp + 4], str.NSIS_Error
mov dword [esp], 0x7b2ac0
call fcn.00408e74
push eax
push eax
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
mov edi, dword [0x40dad4]
lea ecx, [edi + 0x28000]
mov dword [esp + 4], eax
mov dword [esp], ecx
mov dword [ebp - 0x400], ecx
call fcn.00408e74
push eax
push eax
mov dword [esp], 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov dword [0x7b2aa8], eax
push edx
movzx eax, word [edi + 0x28000]
lea edx, [edi + 0x28002]
cmp ax, 0x22
je 0x404f58
mov edx, dword [ebp - 0x400]
mov eax, 0x20
mov dword [esp], edx
mov dword [esp + 4], eax
call fcn.00408705
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 0x405035
movzx edx, word [eax]
cmp dx, 0x20
jne 0x404f90
add eax, 2
jmp 0x404f82
cmp dx, 0x22
jne 0x404f9b
add eax, 2
jmp 0x404fa0
mov edx, 0x20
cmp word [eax], 0x2f
jne 0x405015
cmp word [eax + 2], 0x53
lea ebx, [eax + 2]
jne 0x404fc2
test word [eax + 4], 0xffdf
jne 0x404fc2
mov dword [0x416040], 1
cmp dword [eax + 6], 0x430052
jne 0x404fe2
cmp dword [eax + 2], 0x43004e
jne 0x404fe2
test word [eax + 0xa], 0xffdf
mov ecx, 4
cmove esi, ecx
cmp dword [eax + 2], 0x3d0044
jne 0x405013
cmp dword [eax - 2], 0x2f0020
jne 0x405013
mov word [eax - 2], 0
add eax, 6
mov dword [esp + 4], eax
lea eax, [edi + 0x2a000]
mov dword [esp], eax
call fcn.00408e74
push ecx
push ecx
jmp 0x405035
mov eax, ebx
mov dword [esp + 4], edx
mov dword [esp], eax
call fcn.00408705
push edx
push edx
cmp word [eax], 0x22
jne 0x404f78
add eax, 2
jmp 0x404f78
mov eax, dword [sym.imp.KERNEL32.dll_GetTempPathW]
lea ebx, [edi + 0x32000]
mov dword [esp], 0x1000
mov dword [esp + 4], ebx
mov dword [ebp - 0x3fc], eax
call eax
push eax
push eax
call fcn.00404c7c
test eax, eax
je 0x40508c
lea eax, [edi + 0x30000]
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push ecx
mov dword [esp], esi
call fcn.004048ad
mov dword [ebp - 0x3fc], eax
push esi
xor esi, esi
test eax, eax
jne 0x4053e0
jmp 0x40512d
mov dword [esp + 4], 0xffb
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.00404c7c
test eax, eax
jne 0x40505e
mov dword [esp + 4], ebx
mov eax, dword [ebp - 0x3fc]
mov dword [esp], 0xffc
call eax
push eax
push eax
mov dword [esp + 4], 0x40d19e
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], 0x40d1b0
call edx
push eax
push eax
call fcn.00404c7c
test eax, eax
jne 0x40505e
mov dword [ebp - 0x3fc], str.Error_writing_temporary_file._Make_sure_your_temp_folder_is_valid.
jmp 0x4053de
cmp dword [0x420144], 0
je 0x4053be
mov eax, dword [ebp - 0x400]
mov dword [esp + 4], 0
mov dword [esp], eax
call fcn.00408705
push ecx
push ecx
cmp dword [ebp - 0x400], eax
ja 0x4051c1
cmp dword [eax + 4], 0x3d003f
je 0x405168
sub eax, 2
jmp 0x405152
cmp dword [eax], 0x5f0020
jne 0x405163
lea ebx, [eax + 8]
mov word [eax], 0
mov dword [esp], ebx
call fcn.004093bb
push edx
test eax, eax
jne 0x405194
mov dword [ebp - 0x3fc], str.Error_launching_installer
jmp 0x4053de
lea eax, [edi + 0x2a000]
mov dword [esp + 4], ebx
mov dword [esp], eax
call fcn.00408e74
lea eax, [edi + 0x2c000]
push esi
push esi
mov dword [esp + 4], ebx
mov dword [esp], eax
call fcn.00408e74
push edi
push edi
jmp 0x4053be
call fcn.0040954b
mov dword [esp], ebx
lea esi, [edi + 0xa000]
mov dword [ebp - 0x410], eax
call sub.KERNEL32.dll_lstrlenW
mov dword [ebp - 0x400], eax
lea eax, [edi + 0xc000]
push edx
mov dword [ebp - 0x408], eax
mov eax, dword [ebp - 0x404]
mov dword [esp], edi
mov dword [esp + 4], eax
call fcn.00408e74
push ecx
push ecx
cmp word [edi + 0x2a000], 0
jne 0x405225
lea eax, [edi + 0x2e000]
mov dword [esp + 4], eax
lea eax, [edi + 0x2a000]
mov dword [esp], eax
call fcn.00408e74
push eax
push eax
mov word [ebp - 0x404], 1
mov eax, dword [ebp - 0x400]
lea eax, [edi + eax*2 + 0x32000]
mov dword [ebp - 0x40c], eax
mov dword [ebp - 0x400], 0
movzx eax, word [ebp - 0x404]
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 [0x420150]
mov eax, dword [eax + 0x120]
mov dword [esp], esi
mov dword [esp + 4], eax
call fcn.00409571
cmp dword [ebp - 0x410], 0
push ecx
push ecx
mov dword [esp], ebx
je 0x405299
call fcn.00408534
jmp 0x40529e
call fcn.00408598
push edx
test eax, eax
je 0x4052f7
mov dword [esp], esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
bt eax, 0xa
push ecx
jb 0x4053ac
mov dword [esp], esi
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push edx
test eax, eax
je 0x4053ac
mov dword [esp + 4], 1
mov dword [esp], ebx
call fcn.00409b3a
cmp dword [ebp - 0x400], 0
push eax
push eax
jne 0x4053ac
mov dword [ebp - 0x400], 1
jmp 0x40524b
mov dword [esp], ebx
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
push ecx
mov dword [esp + 4], 0
mov dword [esp], ebx
call fcn.00409af5
push eax
push eax
lea eax, [edi + 0x36000]
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 0x405185
mov dword [esp + 4], 0
mov dword [esp], esi
call fcn.00409af5
push eax
push eax
mov eax, dword [0x420150]
mov eax, dword [eax + 0x124]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0x408]
mov dword [esp], eax
call fcn.00409571
push eax
push eax
mov eax, dword [ebp - 0x408]
mov dword [esp], eax
call fcn.004085c6
push edx
test eax, eax
je 0x405389
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ecx
jmp 0x4053de
cmp dword [ebp - 0x400], 0
jne 0x405185
mov dword [esp], esi
call fcn.00409383
push edx
test eax, eax
je 0x4052e8
jmp 0x405185
inc word [ebp - 0x404]
jne 0x405241
jmp 0x405185
mov dword [0x41604c], 0xffffffff
call fcn.00406eb4
mov dword [esp], 1
mov esi, eax
call fcn.00409019
push edi
jmp 0x4053e0
xor esi, esi
call fcn.00404cd7
call dword [sym.imp.ole32.dll_OleUninitialize]
cmp dword [ebp - 0x3fc], 0
mov ebx, dword [sym.imp.KERNEL32.dll_ExitProcess]
je 0x40541e
mov eax, dword [ebp - 0x3fc]
mov dword [esp + 4], 0x200010
mov dword [esp], eax
call fcn.00408699
push esi
push esi
mov dword [esp], 2
jmp 0x40553e
cmp dword [0x416034], 0
je 0x405530
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 0x4054c5
lea eax, [ebp - 0x2c8]
mov dword [esp + 4], str.SeShutdownPrivilege
lea edi, [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], edi
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.004094ff
push ecx
test eax, eax
jne 0x4054f3
mov dword [esp + 4], 0x80040002
mov dword [esp], 2
call dword [sym.imp.USER32.dll_ExitWindowsEx]
push edx
push edx
test eax, eax
je 0x405523
jmp 0x405530
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 0x4054d6
mov dword [esp], 9
call fcn.0040430b
push eax
mov eax, dword [0x41604c]
cmp eax, 0xffffffff
cmovne esi, eax
mov dword [esp], esi
call ebx