Function at 0x40fd2a
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.00410c11
xor ebx, ebx
push ebx
call dword [sym.imp.ole32.dll_OleInitialize]
mov ecx, 0x44ea98
call fcn.00411bd3
mov esi, 0x7000
push esi
push ebx
mov edi, 0x439d00
push edi
call fcn.0041a650
add esp, 0xc
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
mov dword [ebp - 8], eax
cmp eax, ebx
je 0x40fdde
push eax
call fcn.0040d522
cmp byte [0x440d59], bl
je 0x40fdd0
push str.winrarsfxmappingfile.tmp
push ebx
push 4
call dword [sym.imp.KERNEL32.dll_OpenFileMappingW]
mov dword [ebp - 8], eax
cmp eax, ebx
je 0x40fdc5
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 0x40fdbc
push esi
push eax
push edi
call fcn.0041c0c0
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 0x40fdde
push dword [ebp - 8]
push str.sfxcmd
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableW]
push 0x800
mov esi, 0x438d00
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 [0x432a8c], edi
mov dword [0x432a90], edi
call dword [sym.imp.USER32.dll_LoadIconW]
push 0x65
push dword [0x432a90]
mov dword [0x438cfc], eax
call dword [sym.imp.USER32.dll_LoadBitmapW]
lea ecx, [ebp - 0xc]
mov dword [0x438cf8], eax
call fcn.00419e92
push esi
mov ecx, 0x432aa4
call fcn.0040c24b
lea ecx, [ebp - 0x5c]
call fcn.0041918d
lea ecx, [ebp - 0x34]
call fcn.0041918d
push 0x64
call fcn.0040d11e
push 0x64
mov dword [ebp - 0x40], eax
call fcn.0040d11e
push ebx
push 0x40f4a2
mov dword [ebp - 0x18], eax
push ebx
lea eax, [ebp - 0x5c]
mov dword [0x437cf4], eax
push str.STARTDLG
lea eax, [ebp - 0x34]
push edi
mov dword [0x437cf0], eax
call dword [sym.imp.USER32.dll_DialogBoxParamW]
lea ecx, [ebp - 0x34]
mov dword [0x437cf0], ebx
mov dword [0x437cf4], ebx
call fcn.004191af
lea ecx, [ebp - 0x5c]
call fcn.004191af
lea ecx, [ebp - 0xc]
call fcn.00419eec
cmp byte [0x440d50], bl
je 0x40febd
call fcn.0040d76d
mov ecx, 0x44c300
call fcn.0040cf86
cmp dword [0x440d34], ebx
jbe 0x40fedb
push dword [0x440d28]
call fcn.0041a33a
pop ecx
push dword [0x438cfc]
mov esi, dword [sym.imp.GDI32.dll_DeleteObject]
call esi
mov eax, dword [0x438cf8]
cmp eax, ebx
je 0x40fef5
push eax
call esi
cmp dword [0x432a94], ebx
jne 0x40ff14
cmp byte [0x440d12], bl
je 0x40ff14
push 0xff
mov ecx, 0x432a94
call fcn.00406461
mov eax, dword [0x440d44]
mov byte [0x440d12], 1
cmp eax, ebx
je 0x40ff2a
push eax
call fcn.0040d72e
mov eax, dword [0x440d40]
cmp eax, ebx
je 0x40ff3a
push eax
call dword [sym.imp.KERNEL32.dll_Sleep]
call dword [sym.imp.ole32.dll_OleUninitialize]
mov eax, dword [0x440d3c]
pop edi
pop esi
cmp eax, ebx
pop ebx
ja 0x40ff51
mov eax, dword [0x432a94]
leave
ret 0x10