Function at 0x453dd0
Capabilities:
Check if file exists
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4cb8c7
mov eax, dword fs:[0]
push eax
sub esp, 0x818
mov eax, dword [0x501108]
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.004047a0
mov ecx, eax
test ecx, ecx
jne 0x453e24
push 0x80004005
call fcn.00404500
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 str.SOFTWAREMicrosoftWindowsCurrentVersionApp_PathsMasterPDF.exe
push reloc.OLEAUT32.dll_SysReAllocString
mov dword [ebp - 0x820], 0
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0x453ef7
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 0x453ea3
push 0x400
lea ecx, [ebp - 0x814]
call fcn.00404050
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.004a553c
add esp, 8
test eax, eax
js 0x453f80
cmp eax, dword [esi - 8]
jg 0x453f80
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 0x453f8a
push str.PDFRunningHelper.exe
lea ecx, [ebp - 0x818]
call fcn.00404260
lea eax, [ebp - 0x818]
mov byte [ebp - 4], 1
push eax
lea edx, [ebp - 0x814]
mov ecx, edi
call fcn.004647c0
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 0x453f55
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 0x4540d8
mov ecx, dword [eax]
push eax
mov edx, dword [ecx]
call dword [edx + 4]
jmp 0x4540d8
push 0x80070057
call fcn.00404500
push 0x800
lea eax, [ebp - 0x810]
push 0
push eax
call fcn.0049bdc0
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 0x4e5b38
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 0x45406a
lea eax, [ebp - 0x810]
push eax
lea ecx, [ebp - 0x818]
call fcn.00404260
lea edx, [ebp - 0x818]
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x81c]
call fcn.004646e0
push eax
lea ecx, [ebp - 0x814]
mov byte [ebp - 4], 3
call fcn.00401fe0
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 0x454049
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 0x45406a
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
push str.PDFRunningHelper.exe
lea ecx, [ebp - 0x81c]
call fcn.00404260
lea eax, [ebp - 0x81c]
mov byte [ebp - 4], 4
push eax
lea edx, [ebp - 0x814]
mov ecx, edi
call fcn.004647c0
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 0x4540b6
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 0x4540d8
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.00483426
mov esp, ebp
pop ebp
ret