Function at 0x40fb40
Capabilities:
Accept command line arguments
Read file via mapping
Set environment variable

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x5c
push ebx
push esi
push edi
push 1
call fcn.00410a27
xor ebx, ebx
push ebx
call dword [sym.imp.ole32.dll_OleInitialize]
mov ecx, 0x44ea70
call fcn.00411a88
mov esi, 0x7000
push esi
push ebx
mov edi, 0x439cd8
push edi
call fcn.0041a110
add esp, 0xc
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
mov dword [ebp - 8], eax
cmp eax, ebx
je 0x40fbf4
push eax
call fcn.0040d31c
cmp byte [0x440d31], bl
je 0x40fbe6
push str.winrarsfxmappingfile.tmp
push ebx
push 4
call dword [sym.imp.KERNEL32.dll_OpenFileMappingW]
mov dword [ebp - 8], eax
cmp eax, ebx
je 0x40fbdb
push esi
push ebx
push ebx
push 4
push eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov dword [ebp - 4], eax
cmp eax, ebx
je 0x40fbd2
push esi
push eax
push edi
call fcn.0041bb80
add esp, 0xc
push edi
push str.sfxcmd
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableW]
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
push dword [ebp - 8]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x40fbf4
push dword [ebp - 8]
push str.sfxcmd
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableW]
push 0x800
mov esi, 0x438cd8
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
push esi
push str.sfxname
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableW]
push ebx
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov edi, eax
push 0x64
push edi
mov dword [0x432a64], edi
mov dword [0x432a68], edi
call dword [sym.imp.USER32.dll_LoadIconW]
push 0x65
push dword [0x432a68]
mov dword [0x438cd4], eax
call dword [sym.imp.USER32.dll_LoadBitmapW]
lea ecx, [ebp - 0xc]
mov dword [0x438cd0], eax
call fcn.00419958
push esi
mov ecx, 0x432a7c
call fcn.0040c045
lea ecx, [ebp - 0x5c]
call fcn.00418c53
lea ecx, [ebp - 0x34]
call fcn.00418c53
push 0x64
call fcn.0040cf18
push 0x64
mov dword [ebp - 0x40], eax
call fcn.0040cf18
push ebx
push 0x40f2b8
mov dword [ebp - 0x18], eax
push ebx
lea eax, [ebp - 0x5c]
mov dword [0x437ccc], eax
push str.STARTDLG
lea eax, [ebp - 0x34]
push edi
mov dword [0x437cc8], eax
call dword [sym.imp.USER32.dll_DialogBoxParamW]
lea ecx, [ebp - 0x34]
mov dword [0x437cc8], ebx
mov dword [0x437ccc], ebx
call fcn.00418c75
lea ecx, [ebp - 0x5c]
call fcn.00418c75
lea ecx, [ebp - 0xc]
call fcn.004199b2
cmp byte [0x440d28], bl
je 0x40fcd3
call fcn.0040d583
mov ecx, 0x44c2d8
call fcn.0040cd80
cmp dword [0x440d0c], ebx
jbe 0x40fcf1
push dword [0x440d00]
call fcn.00419dfe
pop ecx
push dword [0x438cd4]
mov esi, dword [sym.imp.GDI32.dll_DeleteObject]
call esi
mov eax, dword [0x438cd0]
cmp eax, ebx
je 0x40fd0b
push eax
call esi
cmp dword [0x432a6c], ebx
jne 0x40fd2a
cmp byte [0x440cea], bl
je 0x40fd2a
push 0xff
mov ecx, 0x432a6c
call fcn.00406222
mov eax, dword [0x440d1c]
mov byte [0x440cea], 1
cmp eax, ebx
je 0x40fd40
push eax
call fcn.0040d544
mov eax, dword [0x440d18]
cmp eax, ebx
je 0x40fd50
push eax
call dword [sym.imp.KERNEL32.dll_Sleep]
call dword [sym.imp.ole32.dll_OleUninitialize]
mov eax, dword [0x440d14]
pop edi
pop esi
cmp eax, ebx
pop ebx
ja 0x40fd67
mov eax, dword [0x432a6c]
leave
ret 0x10