Function at 0x4213f0
Capabilities:
Check if file exists
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x587327
mov eax, dword fs:[0]
push eax
sub esp, 0x818
mov eax, dword [0x60e9b0]
xor eax, ebp
mov dword [ebp - 0x10], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
mov dword [ebp - 0x81c], edi
mov dword [ebp - 0x824], 0
call fcn.00402a90
mov ecx, eax
test ecx, ecx
jne 0x421444
push 0x80004005
call fcn.00402b10
mov eax, dword [ecx]
call dword [eax + 0xc]
lea esi, [eax + 0x10]
mov dword [ebp - 0x814], esi
lea eax, [ebp - 0x820]
mov dword [ebp - 4], 0
push eax
push 0x20019
push 0
push 0x5f1358
push reloc.OLEAUT32.dll_SysReAllocString
mov dword [ebp - 0x820], 0
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0x421517
mov dword [ebp - 0x818], eax
mov ecx, 1
mov dword [ebp - 0x81c], 0x104
mov eax, dword [esi - 8]
sub ecx, dword [esi - 4]
sub eax, 0x400
or eax, ecx
jge 0x4214c3
push 0x400
lea ecx, [ebp - 0x814]
call fcn.00407ef0
mov esi, dword [ebp - 0x814]
lea eax, [ebp - 0x81c]
push eax
push esi
lea eax, [ebp - 0x818]
push eax
push 0
push str.Path
push dword [ebp - 0x820]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
push dword [esi - 8]
push esi
call fcn.00562de6
add esp, 8
test eax, eax
js 0x4215a0
cmp eax, dword [esi - 8]
jg 0x4215a0
mov dword [esi - 0xc], eax
xor ecx, ecx
mov word [esi + eax*2], cx
push dword [ebp - 0x820]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
push esi
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x4215aa
push str.UtilsExtensionProtect.sys
lea ecx, [ebp - 0x818]
call fcn.004078d0
lea eax, [ebp - 0x818]
mov byte [ebp - 4], 1
push eax
lea edx, [ebp - 0x814]
mov ecx, edi
call fcn.0043de20
mov byte [ebp - 4], 0
or esi, 0xffffffff
mov edx, dword [ebp - 0x818]
add esp, 4
add edx, 0xfffffff0
mov eax, esi
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x421575
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp - 0x814]
add eax, 0xfffffff0
lock xadd dword [eax + 0xc], esi
dec esi
test esi, esi
jg 0x4216f8
mov ecx, dword [eax]
push eax
mov edx, dword [ecx]
call dword [edx + 4]
jmp 0x4216f8
push 0x80070057
call fcn.00402b10
push 0x800
lea eax, [ebp - 0x810]
push 0
push eax
call fcn.00559270
add esp, 0xc
lea eax, [ebp - 0x810]
push 0x400
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
push eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
mov esi, dword [sym.imp.SHLWAPI.dll_PathAppendW]
lea eax, [ebp - 0x810]
push 0x5ec208
push eax
call esi
push str.MasterPDF.exe
lea eax, [ebp - 0x810]
push eax
call esi
lea eax, [ebp - 0x810]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
or esi, 0xffffffff
test eax, eax
je 0x42168a
lea eax, [ebp - 0x810]
push eax
lea ecx, [ebp - 0x818]
call fcn.004078d0
lea edx, [ebp - 0x818]
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x81c]
call fcn.0043dd40
push eax
lea ecx, [ebp - 0x814]
mov byte [ebp - 4], 3
call fcn.00405dc0
mov byte [ebp - 4], 2
mov eax, esi
mov edx, dword [ebp - 0x81c]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x421669
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 0
mov eax, esi
mov edx, dword [ebp - 0x818]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x42168a
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
push str.UtilsExtensionProtect.sys
lea ecx, [ebp - 0x81c]
call fcn.004078d0
lea eax, [ebp - 0x81c]
mov byte [ebp - 4], 4
push eax
lea edx, [ebp - 0x814]
mov ecx, edi
call fcn.0043de20
mov byte [ebp - 4], 0
add esp, 4
mov edx, dword [ebp - 0x81c]
mov eax, esi
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x4216d6
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov dword [ebp - 4], 0xffffffff
mov edx, dword [ebp - 0x814]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], esi
dec esi
test esi, esi
jg 0x4216f8
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00555b37
mov esp, ebp
pop ebp
ret