Function at 0x40b40b
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.0040b981
xor ebx, ebx
push ebx
call dword [sym.imp.ole32.dll_OleInitialize]
mov ecx, 0x44d100
call fcn.0040c1b8
mov esi, 0x7000
push esi
push ebx
mov edi, 0x4385c8
push edi
call fcn.0040d390
add esp, 0xc
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
mov dword [ebp - 8], eax
cmp eax, ebx
je 0x40b4bf
push eax
call fcn.00408cfd
cmp byte [0x43f631], bl
je 0x40b4b1
push str.winrarsfxmappingfile.tmp
push ebx
push 4
call dword [sym.imp.KERNEL32.dll_OpenFileMappingW]
mov dword [ebp - 8], eax
cmp eax, ebx
je 0x40b4a6
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 0x40b49d
push esi
push eax
push edi
call fcn.0040dbb0
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 0x40b4bf
push dword [ebp - 8]
push str.sfxcmd
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableW]
push 0x800
mov esi, 0x4375c8
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 [0x43f5cc], edi
mov dword [0x43f5d8], edi
call dword [sym.imp.USER32.dll_LoadIconW]
push 0x65
push dword [0x43f5d8]
mov dword [0x4375c4], eax
call dword [sym.imp.USER32.dll_LoadBitmapW]
lea ecx, [ebp - 0xc]
mov dword [0x4375c0], eax
call fcn.0040d2ae
push esi
mov ecx, 0x441734
call fcn.0040836f
lea ecx, [ebp - 0x5c]
call fcn.0040c5ab
lea ecx, [ebp - 0x34]
call fcn.0040c5ab
push 0x64
call fcn.00408841
push 0x64
mov dword [ebp - 0x40], eax
call fcn.00408841
push ebx
push 0x40ab83
mov dword [ebp - 0x18], eax
push ebx
lea eax, [ebp - 0x5c]
mov dword [0x4365bc], eax
push str.STARTDLG
lea eax, [ebp - 0x34]
push edi
mov dword [0x4365b8], eax
call dword [sym.imp.USER32.dll_DialogBoxParamW]
lea ecx, [ebp - 0x34]
mov dword [0x4365b8], ebx
mov dword [0x4365bc], ebx
call fcn.0040c5cd
lea ecx, [ebp - 0x5c]
call fcn.0040c5cd
lea ecx, [ebp - 0xc]
call fcn.0040d308
cmp byte [0x43f628], bl
je 0x40b59e
call fcn.00408f48
mov ecx, 0x44abe0
call fcn.004085e4
cmp dword [0x43f604], ebx
jbe 0x40b5bc
push dword [0x43f5f8]
call fcn.0040d4ab
pop ecx
push dword [0x4375c4]
mov esi, dword [sym.imp.GDI32.dll_DeleteObject]
call esi
mov eax, dword [0x4375c0]
cmp eax, ebx
je 0x40b5d6
push eax
call esi
cmp dword [0x43f61c], ebx
jne 0x40b5f5
cmp byte [0x43f5e2], bl
je 0x40b5f5
push 0xff
mov ecx, 0x43f61c
call fcn.004015e7
mov eax, dword [0x43f614]
mov byte [0x43f5e2], 1
cmp eax, ebx
je 0x40b60b
push eax
call fcn.00408f09
mov eax, dword [0x43f610]
cmp eax, ebx
je 0x40b61b
push eax
call dword [sym.imp.KERNEL32.dll_Sleep]
call dword [sym.imp.ole32.dll_OleUninitialize]
mov eax, dword [0x43f60c]
pop edi
pop esi
cmp eax, ebx
pop ebx
ja 0x40b632
mov eax, dword [0x43f61c]
leave
ret 0x10