Function at 0x40dd36
Capabilities:
Accept command line arguments
Read file via mapping
Set environment variable
Terminate process

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x5c
push ebx
push esi
push edi
push 1
call fcn.0040e96c
xor ebx, ebx
push ebx
call dword [sym.imp.ole32.dll_OleInitialize]
mov ecx, 0x42d4f0
call fcn.0040f0b5
mov esi, 0x5800
push esi
push ebx
mov edi, 0x41f100
push edi
call fcn.0040a4a0
call dword [sym.imp.KERNEL32.dll_GetCommandLineW]
mov dword [ebp - 8], eax
cmp eax, ebx
je 0x40dde4
push eax
call fcn.0040bbd3
cmp byte [0x424959], bl
je 0x40ddd6
push str.winrarsfxmappingfile.tmp
push ebx
push 4
call dword [sym.imp.KERNEL32.dll_OpenFileMappingW]
mov dword [ebp - 8], eax
cmp eax, ebx
je 0x40ddcb
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 0x40ddc2
push esi
push eax
push edi
call fcn.0040a4cd
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 0x40dde4
push dword [ebp - 8]
push str.sfxcmd
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableW]
push 0x400
mov esi, 0x41e900
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 [0x418e84], edi
mov dword [0x418e88], edi
call dword [sym.imp.USER32.dll_LoadIconW]
push 0x65
push dword [0x418e88]
mov dword [0x41e8fc], eax
call dword [sym.imp.USER32.dll_LoadBitmapW]
lea ecx, [ebp - 0xc]
mov dword [0x41e8f8], eax
call fcn.004131a5
push esi
mov ecx, 0x418e98
call fcn.00409af4
lea ecx, [ebp - 0x5c]
call fcn.00412663
lea ecx, [ebp - 0x34]
call fcn.00412663
push 0x64
call fcn.0040b21f
push 0x64
mov dword [ebp - 0x40], eax
call fcn.0040b21f
push ebx
push 0x40d4de
mov dword [ebp - 0x18], eax
push ebx
lea eax, [ebp - 0x5c]
mov dword [0x41e0f4], eax
push str.STARTDLG
lea eax, [ebp - 0x34]
push edi
mov dword [0x41e0f0], eax
call dword [sym.imp.USER32.dll_DialogBoxParamW]
lea ecx, [ebp - 0x34]
mov dword [0x41e0f0], ebx
mov dword [0x41e0f4], ebx
call fcn.00412685
lea ecx, [ebp - 0x5c]
call fcn.00412685
lea ecx, [ebp - 0xc]
call fcn.004131ff
cmp byte [0x424950], bl
je 0x40dec3
call fcn.0040be0d
mov ecx, 0x42a978
call fcn.0040aefe
cmp dword [0x424934], ebx
jbe 0x40dee0
push dword [0x424928]
call fcn.0040a41c
push dword [0x41e8fc]
mov esi, dword [sym.imp.GDI32.dll_DeleteObject]
call esi
mov eax, dword [0x41e8f8]
cmp eax, ebx
je 0x40defa
push eax
call esi
cmp dword [0x418e8c], ebx
jne 0x40df19
cmp byte [0x424912], bl
je 0x40df19
push 0xff
mov ecx, 0x418e8c
call fcn.00403537
mov eax, dword [0x424944]
mov byte [0x424912], 1
cmp eax, ebx
je 0x40df2f
push eax
call fcn.0040bdce
mov eax, dword [0x424940]
cmp eax, ebx
je 0x40df3f
push eax
call dword [sym.imp.KERNEL32.dll_Sleep]
call dword [sym.imp.ole32.dll_OleUninitialize]
mov eax, dword [0x42493c]
cmp eax, ebx
ja 0x40df53
mov eax, dword [0x418e8c]
push eax
call dword [sym.imp.KERNEL32.dll_ExitProcess]