Function at 0x40fb5b
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.00410a42
xor ebx, ebx
push ebx
call dword [sym.imp.ole32.dll_OleInitialize]
mov ecx, 0x44fa70
call fcn.00411ae1
mov esi, 0x7000
push esi
push ebx
mov edi, 0x43ace0
push edi
call fcn.0041a300
add esp, 0xc
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
mov dword [ebp - 8], eax
cmp eax, ebx
je 0x40fc0f
push eax
call fcn.0040d34c
cmp byte [0x441d39], bl
je 0x40fc01
push str.winrarsfxmappingfile.tmp
push ebx
push 4
call dword [sym.imp.KERNEL32.dll_OpenFileMappingW]
mov dword [ebp - 8], eax
cmp eax, ebx
je 0x40fbf6
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 0x40fbed
push esi
push eax
push edi
call fcn.0041bd70
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 0x40fc0f
push dword [ebp - 8]
push str.sfxcmd
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableW]
push 0x800
mov esi, 0x439ce0
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 [0x433a64], edi
mov dword [0x433a68], edi
call dword [sym.imp.USER32.dll_LoadIconW]
push 0x65
push dword [0x433a68]
mov dword [0x439cdc], eax
call dword [sym.imp.USER32.dll_LoadBitmapW]
lea ecx, [ebp - 0xc]
mov dword [0x439cd8], eax
call fcn.00419b3f
push esi
mov ecx, 0x433a7c
call fcn.0040c11a
lea ecx, [ebp - 0x5c]
call fcn.00418c8f
lea ecx, [ebp - 0x34]
call fcn.00418c8f
push 0x64
call fcn.004198be
push 0x64
mov dword [ebp - 0x40], eax
call fcn.004198be
push ebx
push 0x40f2d3
mov dword [ebp - 0x18], eax
push ebx
lea eax, [ebp - 0x5c]
mov dword [0x438cd4], eax
push str.STARTDLG
lea eax, [ebp - 0x34]
push edi
mov dword [0x438cd0], eax
call dword [sym.imp.USER32.dll_DialogBoxParamW]
lea ecx, [ebp - 0x34]
mov dword [0x438cd0], ebx
mov dword [0x438cd4], ebx
call fcn.00418cb1
lea ecx, [ebp - 0x5c]
call fcn.00418cb1
lea ecx, [ebp - 0xc]
call fcn.00419b99
cmp byte [0x441d30], bl
je 0x40fcee
call fcn.0040d597
mov ecx, 0x44d2e0
call fcn.0040ce55
cmp dword [0x441d14], ebx
jbe 0x40fd0c
push dword [0x441d08]
call fcn.00419fe6
pop ecx
push dword [0x439cdc]
mov esi, dword [sym.imp.GDI32.dll_DeleteObject]
call esi
mov eax, dword [0x439cd8]
cmp eax, ebx
je 0x40fd26
push eax
call esi
cmp dword [0x433a6c], ebx
jne 0x40fd45
cmp byte [0x441cf2], bl
je 0x40fd45
push 0xff
mov ecx, 0x433a6c
call fcn.00406227
mov eax, dword [0x441d24]
mov byte [0x441cf2], 1
cmp eax, ebx
je 0x40fd5b
push eax
call fcn.0040d558
mov eax, dword [0x441d20]
cmp eax, ebx
je 0x40fd6b
push eax
call dword [sym.imp.KERNEL32.dll_Sleep]
call dword [sym.imp.ole32.dll_OleUninitialize]
mov eax, dword [0x441d1c]
pop edi
pop esi
cmp eax, ebx
pop ebx
ja 0x40fd82
mov eax, dword [0x433a6c]
leave
ret 0x10