Function at 0x401dc1
Capabilities:
Check if file exists
Get common file path
Get program files directory
Query or enumerate registry value
Read .ini file

Disassembly:
push ebp
mov ebp, esp
mov eax, 0x104c
call fcn.0040a090
mov eax, dword [0x43e054]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov ebx, 0x208
lea eax, [ebp - 0x824]
push ebx
xor esi, esi
mov edi, ecx
push esi
push eax
call fcn.00417110
push ebx
lea eax, [ebp - 0xc34]
push esi
push eax
call fcn.00417110
push ebx
lea eax, [ebp - 0xa2c]
push esi
push eax
call fcn.00417110
push ebx
lea eax, [ebp - 0xe3c]
push esi
push eax
call fcn.00417110
push ebx
lea eax, [ebp - 0x414]
push esi
push eax
call fcn.00417110
push ebx
lea eax, [ebp - 0x20c]
push esi
push eax
call fcn.00417110
add esp, 0x48
lea eax, [ebp - 0x824]
push esi
push 0x2b
push eax
push esi
call dword [sym.imp.SHELL32.dll_SHGetSpecialFolderPathW]
mov ebx, 0x42f46c
lea eax, [ebp - 0x824]
push ebx
push eax
call fcn.004196f1
lea eax, [ebp - 0x824]
push str.DFInput
push eax
call fcn.004196f1
lea eax, [ebp - 0x824]
push ebx
push eax
call fcn.004196f1
lea eax, [ebp - 0x824]
push str.DFInput
push eax
call fcn.004196f1
lea eax, [ebp - 0x824]
push 0x42f470
push eax
call fcn.004196f1
add esp, 0x28
lea eax, [ebp - 0x824]
push eax
push 0x104
lea eax, [ebp - 0xc34]
push eax
push 0x42f3a0
push str.InstallPath
push str.Globals
call dword [sym.imp.KERNEL32.dll_GetPrivateProfileStringW]
lea eax, [ebp - 0xc34]
push eax
lea eax, [ebp - 0x414]
push eax
call fcn.00419722
lea eax, [ebp - 0x414]
push eax
lea eax, [ebp - 0x20c]
push eax
call fcn.00419722
lea eax, [ebp - 0x20c]
push 0x42f58c
push eax
call fcn.004196f1
lea eax, [ebp - 0x20c]
push ebx
push eax
call fcn.004196f1
mov ebx, dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
lea eax, [ebp - 0x20c]
add esp, 0x20
push eax
call ebx
test eax, eax
je 0x401f6d
push 0x208
lea eax, [ebp - 0x61c]
push esi
push eax
call fcn.00417110
lea eax, [ebp - 0x20c]
push eax
lea eax, [ebp - 0x61c]
push eax
call fcn.00419722
lea eax, [ebp - 0x61c]
push str.DFConfig.exe
push eax
call fcn.004196f1
add esp, 0x1c
lea eax, [ebp - 0x61c]
push eax
call ebx
test eax, eax
jne 0x402271
push 0x208
lea eax, [ebp - 0x1044]
push esi
push eax
call fcn.00417110
lea eax, [ebp - 0x1044]
push str.SOFTWARE_
push eax
call fcn.00419722
lea eax, [ebp - 0x1044]
push str.DFInput
push eax
call fcn.004196f1
add esp, 0x1c
lea eax, [ebp - 0x1048]
push eax
push 0x20019
push esi
lea eax, [ebp - 0x1044]
push eax
push 0x80000002
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0x402110
lea eax, [ebp - 0x104c]
mov dword [ebp - 0x104c], 0x104
push eax
lea eax, [ebp - 0xe3c]
push eax
push esi
push esi
push str.InstallPath
push dword [ebp - 0x1048]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
test eax, eax
jne 0x402110
lea eax, [ebp - 0xe3c]
push eax
lea eax, [ebp - 0x414]
push eax
call fcn.00419722
lea eax, [ebp - 0x414]
push eax
lea eax, [ebp - 0x20c]
push eax
call fcn.00419722
lea eax, [ebp - 0x20c]
push 0x42f58c
push eax
call fcn.004196f1
lea eax, [ebp - 0x20c]
push 0x42f46c
push eax
call fcn.004196f1
add esp, 0x20
lea eax, [ebp - 0x20c]
push eax
call ebx
test eax, eax
je 0x402110
push 0x208
lea eax, [ebp - 0x61c]
push esi
push eax
call fcn.00417110
lea eax, [ebp - 0x20c]
push eax
lea eax, [ebp - 0x61c]
push eax
call fcn.00419722
lea eax, [ebp - 0x61c]
push str.DFConfig.exe
push eax
call fcn.004196f1
add esp, 0x1c
lea eax, [ebp - 0x61c]
push eax
call ebx
test eax, eax
je 0x402110
push dword [ebp - 0x1048]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
cmp word [ebp - 0x414], si
jne 0x4020b9
mov eax, esi
jmp 0x4020c6
lea eax, [ebp - 0x414]
push eax
call fcn.00419744
pop ecx
push eax
lea eax, [ebp - 0x414]
push eax
lea ecx, [edi + 0x84]
call fcn.004032c0
cmp word [ebp - 0x20c], si
je 0x4020f1
lea eax, [ebp - 0x20c]
push eax
call fcn.00419744
pop ecx
mov esi, eax
push esi
lea eax, [ebp - 0x20c]
push eax
lea ecx, [edi + 0x9c]
call fcn.004032c0
mov ecx, edi
call fcn.00402c65
jmp 0x4022c9
push dword [ebp - 0x1048]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
push esi
push 0x26
lea eax, [ebp - 0xa2c]
push eax
push esi
call dword [sym.imp.SHELL32.dll_SHGetSpecialFolderPathW]
lea eax, [ebp - 0xa2c]
push 0x42f46c
push eax
call fcn.004196f1
lea eax, [ebp - 0xa2c]
push str.DFInput
push eax
call fcn.004196f1
lea eax, [ebp - 0xa2c]
push 0x42f46c
push eax
call fcn.004196f1
lea eax, [ebp - 0xa2c]
push eax
lea eax, [ebp - 0x414]
push eax
call fcn.00419722
lea eax, [ebp - 0x414]
push eax
lea eax, [ebp - 0x20c]
push eax
call fcn.00419722
lea eax, [ebp - 0x20c]
push 0x42f58c
push eax
call fcn.004196f1
lea eax, [ebp - 0x20c]
push 0x42f46c
push eax
call fcn.004196f1
add esp, 0x38
lea eax, [ebp - 0x20c]
push eax
call ebx
test eax, eax
je 0x4021fe
push 0x208
lea eax, [ebp - 0x61c]
push esi
push eax
call fcn.00417110
lea eax, [ebp - 0x20c]
push eax
lea eax, [ebp - 0x61c]
push eax
call fcn.00419722
lea eax, [ebp - 0x61c]
push str.DFConfig.exe
push eax
call fcn.004196f1
add esp, 0x1c
lea eax, [ebp - 0x61c]
push eax
call ebx
test eax, eax
jne 0x402271
lea eax, [ebp - 0xc34]
push eax
call ebx
test eax, eax
je 0x402213
lea eax, [ebp - 0xc34]
jmp 0x40222c
lea eax, [ebp - 0xe3c]
push eax
call ebx
test eax, eax
lea eax, [ebp - 0xe3c]
jne 0x40222c
lea eax, [ebp - 0xa2c]
push eax
lea eax, [ebp - 0x414]
push eax
call fcn.00419722
lea eax, [ebp - 0x414]
push eax
lea eax, [ebp - 0x20c]
push eax
call fcn.00419722
lea eax, [ebp - 0x20c]
push 0x42f58c
push eax
call fcn.004196f1
lea eax, [ebp - 0x20c]
push 0x42f46c
push eax
call fcn.004196f1
add esp, 0x20
cmp word [ebp - 0x414], si
jne 0x40227e
mov eax, esi
jmp 0x40228b
lea eax, [ebp - 0x414]
push eax
call fcn.00419744
pop ecx
push eax
lea eax, [ebp - 0x414]
push eax
lea ecx, [edi + 0x84]
call fcn.004032c0
cmp word [ebp - 0x20c], si
je 0x4022b6
lea eax, [ebp - 0x20c]
push eax
call fcn.00419744
pop ecx
mov esi, eax
push esi
lea eax, [ebp - 0x20c]
push eax
lea ecx, [edi + 0x9c]
call fcn.004032c0
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00409ec6
mov esp, ebp
pop ebp
ret