Function at 0x420428
Capabilities:
Get common file path
Get file size
Query or enumerate registry value
Read file on windows
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x3ec
push ebx
push esi
push edi
mov edx, ecx
push 0xb
mov esi, 0x439b88
pop ecx
lea edi, [ebp - 0x1e4]
rep movsd dword es:[edi], dword [esi]
push 0x36
xor eax, eax
pop ecx
lea edi, [ebp - 0x1b8]
rep stosd dword es:[edi], eax
mov al, byte [0x43ce60]
push 0x40
mov byte [ebp - 0x2e8], al
pop ecx
xor eax, eax
lea edi, [ebp - 0x2e7]
rep stosd dword es:[edi], eax
cmp word [edx + 0x16], 0x32
mov dword [ebp - 0x18], edx
stosw word es:[edi], ax
stosb byte es:[edi], al
jae 0x420555
lea eax, [ebp - 4]
xor ebx, ebx
push eax
lea eax, [ebp - 0x1e4]
push eax
push reloc.OLEAUT32.dll_SysReAllocString
mov dword [ebp - 4], ebx
mov dword [ebp - 8], ebx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
test eax, eax
je 0x4204a6
lea ecx, [ebp - 8]
jmp 0x42052d
mov edi, dword [sym.imp.KERNEL32.dll_lstrlenA]
lea eax, [ebp - 0x1e4]
push eax
call edi
mov esi, 0x104
mov ecx, esi
sub ecx, eax
mov eax, dword [ebp - 4]
mov dword [ebp - 0xc], eax
lea eax, [ebp - 0x14]
push eax
lea eax, [ebp - 0x1e4]
push eax
mov dword [ebp - 0x14], ecx
call edi
lea eax, [ebp + eax - 0x1e4]
mov edi, dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
push eax
push ebx
push ebx
push 0x439b7c
push dword [ebp - 0xc]
call edi
test eax, eax
jne 0x42049e
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x1e4]
push eax
push reloc.OLEAUT32.dll_SysReAllocString
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
test eax, eax
jne 0x42049e
lea eax, [ebp - 0x14]
mov dword [ebp - 0x14], esi
push eax
lea eax, [ebp - 0x2e8]
push eax
push ebx
push ebx
push 0x439b74
push dword [ebp - 8]
call edi
test eax, eax
lea ecx, [ebp - 8]
je 0x42053f
call fcn.0040f7a1
lea ecx, [ebp - 4]
call fcn.0040f7a1
jmp 0x4207f7
call fcn.0040f7a1
cmp dword [ebp - 4], ebx
je 0x420787
push dword [ebp - 4]
jmp 0x420781
push 0x18
xor ebx, ebx
pop ecx
xor eax, eax
lea edi, [ebp - 0x7b]
mov byte [ebp - 0x7c], bl
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
or dword [ebp - 0xc], 0xffffffff
push 0x104
stosb byte es:[edi], al
lea eax, [ebp - 0x3ec]
mov dword [ebp - 4], ebx
push eax
mov dword [ebp - 8], ebx
mov dword [ebp - 0x10], ebx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
mov esi, dword [sym.imp.KERNEL32.dll_lstrcatA]
lea eax, [ebp - 0x3ec]
push 0x439b68
push eax
call esi
push ebx
push 0x80
push 3
push ebx
push 1
lea eax, [ebp - 0x3ec]
push SysReAllocStringLen
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
je 0x4205bf
mov dword [ebp - 0xc], eax
push ebx
push ebx
push ebx
push 2
push ebx
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileMappingA]
cmp eax, ebx
je 0x4205d5
mov dword [ebp - 8], eax
push ebx
push ebx
push ebx
push 4
push dword [ebp - 8]
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
cmp eax, ebx
je 0x4205ea
mov dword [ebp - 0x10], eax
lea eax, [ebp - 4]
push eax
push 0x439b3c
push SysReAllocStringLen
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
test eax, eax
je 0x420634
cmp dword [ebp - 0x10], ebx
je 0x420610
push dword [ebp - 0x10]
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
cmp dword [ebp - 8], ebx
mov edi, dword [sym.imp.KERNEL32.dll_CloseHandle]
je 0x420620
push dword [ebp - 8]
call edi
cmp dword [ebp - 0xc], 0xffffffff
je 0x420726
push dword [ebp - 0xc]
call edi
jmp 0x420726
lea eax, [ebp - 0x14]
mov dword [ebp - 0x14], 0x64
push eax
lea eax, [ebp - 0xe0]
push eax
push ebx
push ebx
push 0x439b7c
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x420602
cmp byte [ebp - 0xe0], bl
lea edi, [ebp - 0xe0]
je 0x42068f
cmp byte [edi], 0x20
jne 0x42067a
lea eax, [ebp - 0x7c]
push 0x439b38
push eax
call esi
jmp 0x42068a
lea eax, [ebp - 0x7c]
push eax
call dword [sym.imp.KERNEL32.dll_lstrlenA]
mov cl, byte [edi]
mov byte [ebp + eax - 0x7c], cl
inc edi
cmp byte [edi], bl
jne 0x420668
push ebx
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
push 0x439b28
add edi, dword [ebp - 0x10]
push edi
push dword [ebp - 0x10]
call fcn.0041fce1
add esp, 0xc
cmp eax, ebx
mov esi, 0x439b18
je 0x4206ec
lea ecx, [ebp - 0x7c]
push ecx
push edi
push eax
call fcn.0041fce1
add esp, 0xc
cmp eax, ebx
je 0x4206ec
lea ecx, [ebp - 0x7c]
inc eax
push ecx
push edi
push eax
call fcn.0041fce1
add esp, 0xc
cmp eax, ebx
je 0x4206ec
push esi
push edi
push eax
call fcn.0041fce1
add esp, 0xc
cmp eax, ebx
jne 0x42073d
push esi
push edi
push dword [ebp - 0x10]
call fcn.0041fce1
add esp, 0xc
cmp eax, ebx
jne 0x42073d
cmp dword [ebp - 0x10], ebx
je 0x42070b
push dword [ebp - 0x10]
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
cmp dword [ebp - 8], ebx
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
je 0x42071b
push dword [ebp - 8]
call esi
cmp dword [ebp - 0xc], 0xffffffff
je 0x420726
push dword [ebp - 0xc]
call esi
cmp dword [ebp - 4], ebx
je 0x4207f7
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
jmp 0x4207f7
add eax, 0x10
push eax
lea eax, [ebp - 0x2e8]
push eax
call dword [sym.imp.KERNEL32.dll_lstrcpyA]
cmp dword [ebp - 0x10], ebx
je 0x42075c
push dword [ebp - 0x10]
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
cmp dword [ebp - 8], ebx
je 0x42076a
push dword [ebp - 8]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [ebp - 0xc], 0xffffffff
je 0x420779
push dword [ebp - 0xc]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [ebp - 4], ebx
je 0x420787
push dword [ebp - 4]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
lea eax, [ebp - 0x2e8]
push 0x439b0c
push eax
call dword [sym.imp.KERNEL32.dll_lstrcatA]
push ebx
push 0x80
push 3
push ebx
push 1
lea eax, [ebp - 0x2e8]
push SysReAllocStringLen
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
cmp edi, 0xffffffff
je 0x4207f7
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
push eax
mov dword [ebp - 4], eax
call fcn.00423e37
pop ecx
mov esi, dword [ebp - 0x18]
lea ecx, [ebp - 0x14]
push ebx
push ecx
mov dword [esi + 0x10], eax
push dword [ebp - 4]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x4207f0
mov ecx, esi
call fcn.00420ac3
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop edi
pop esi
pop ebx
leave
ret