Function at 0x421af0
Capabilities:
Check if file exists
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x53481c
mov eax, dword fs:[0]
push eax
sub esp, 0x228
mov eax, dword [0x5917ec]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, dword [ebp + 8]
mov eax, dword [ebp + 0x14]
mov esi, dword [ebp + 0xc]
mov ebx, dword [ebp + 0x10]
mov dword [ebp - 0x228], eax
test edi, edi
je 0x421e4f
test esi, esi
je 0x421e4f
xor eax, eax
cmp ax, word [esi]
je 0x421e4f
push 0x208
push eax
lea eax, [ebp - 0x218]
push eax
call fcn.004c0d00
add esp, 0xc
mov dword [ebp - 0x234], 0
mov dword [ebp - 0x230], 0
mov dword [ebp - 0x22c], 0
cmp dword [ebp + 0x18], 0
lea ecx, [ebp - 0x234]
mov dword [ebp - 4], 0
je 0x421b98
push 0x20119
jmp 0x421b9d
push 0x20219
push esi
push edi
call fcn.004226c0
mov edi, dword [ebp - 0x234]
test eax, eax
jne 0x421c06
lea eax, [ebp - 0x224]
mov dword [ebp - 0x224], 0x208
push eax
lea eax, [ebp - 0x218]
push eax
lea eax, [ebp - 0x220]
push eax
push 0
push ebx
push edi
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
test eax, eax
jne 0x421c06
mov eax, dword [ebp - 0x220]
cmp eax, 1
je 0x421beb
cmp eax, 2
jne 0x421c06
mov eax, dword [ebp - 0x224]
test eax, eax
je 0x421c1a
test al, 1
jne 0x421c06
shr eax, 1
cmp word [ebp + eax*2 - 0x21a], 0
je 0x421c23
xor esi, esi
test edi, edi
je 0x421c13
push edi
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, esi
jmp 0x421e51
xor eax, eax
mov word [ebp - 0x218], ax
lea eax, [ebp - 0x218]
push eax
lea ecx, [ebp - 0x21c]
call fcn.0040b980
lea ecx, [ebp - 0x21c]
mov byte [ebp - 4], 1
call fcn.00423b00
lea ecx, [ebp - 0x21c]
call fcn.00423c00
mov eax, dword [ebp - 0x21c]
cmp dword [eax - 0xc], 0
jne 0x421c6a
lea ecx, [ebp - 0x21c]
xor esi, esi
call fcn.0040bd50
jmp 0x421c08
push 1
lea eax, [ebp - 0x220]
push eax
lea ecx, [ebp - 0x21c]
call fcn.0040cc70
mov ecx, 0x54cf3c
mov eax, dword [eax]
mov dx, word [eax]
cmp dx, word [ecx]
jne 0x421cab
test dx, dx
je 0x421ca7
mov dx, word [eax + 2]
cmp dx, word [ecx + 2]
jne 0x421cab
add eax, 4
add ecx, 4
test dx, dx
jne 0x421c85
xor esi, esi
jmp 0x421cb0
sbb esi, esi
or esi, 1
lea ecx, [ebp - 0x220]
call fcn.0040bd50
test esi, esi
jne 0x421cfb
mov eax, dword [ebp - 0x21c]
lea ecx, [ebp - 0x21c]
mov eax, dword [eax - 0xc]
dec eax
push eax
lea eax, [ebp - 0x220]
push eax
call fcn.00416f00
push eax
lea ecx, [ebp - 0x21c]
mov byte [ebp - 4], 2
call fcn.004150f0
lea ecx, [ebp - 0x220]
mov byte [ebp - 4], 1
call fcn.0040bd50
push 1
lea eax, [ebp - 0x220]
push eax
lea ecx, [ebp - 0x21c]
call fcn.00416f00
mov ecx, 0x54cf3c
mov eax, dword [eax]
mov dx, word [eax]
cmp dx, word [ecx]
jne 0x421d3c
test dx, dx
je 0x421d38
mov dx, word [eax + 2]
cmp dx, word [ecx + 2]
jne 0x421d3c
add eax, 4
add ecx, 4
test dx, dx
jne 0x421d16
xor esi, esi
jmp 0x421d41
sbb esi, esi
or esi, 1
lea ecx, [ebp - 0x220]
call fcn.0040bd50
test esi, esi
jne 0x421d8c
mov eax, dword [ebp - 0x21c]
lea ecx, [ebp - 0x21c]
mov eax, dword [eax - 0xc]
dec eax
push eax
lea eax, [ebp - 0x220]
push eax
call fcn.0040cc70
push eax
lea ecx, [ebp - 0x21c]
mov byte [ebp - 4], 3
call fcn.004150f0
lea ecx, [ebp - 0x220]
mov byte [ebp - 4], 1
call fcn.0040bd50
mov ebx, dword [ebp - 0x228]
test ebx, ebx
je 0x421e31
cmp word [ebx], 0
je 0x421e31
mov edx, dword [ebp - 0x21c]
mov ecx, 1
mov eax, dword [edx - 8]
sub ecx, dword [edx - 4]
sub eax, 0x104
or ecx, eax
jge 0x421dd4
push 0x104
lea ecx, [ebp - 0x21c]
call fcn.0040d940
mov edx, dword [ebp - 0x21c]
cmp dword [edx - 8], 0x104
jl 0x421e6d
mov dword [edx - 0xc], 0x104
xor ecx, ecx
mov eax, dword [ebp - 0x21c]
push ebx
push edx
mov word [eax + 0x208], cx
call dword [sym.imp.SHLWAPI.dll_PathAppendW]
mov eax, dword [ebp - 0x21c]
push dword [eax - 8]
push eax
call fcn.004dcd3f
mov edx, eax
add esp, 8
test edx, edx
js 0x421e6d
mov ecx, dword [ebp - 0x21c]
cmp edx, dword [ecx - 8]
jg 0x421e6d
mov dword [ecx - 0xc], edx
xor ecx, ecx
mov eax, dword [ebp - 0x21c]
mov word [eax + edx*2], cx
push dword [ebp - 0x21c]
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
lea ecx, [ebp - 0x21c]
mov esi, eax
call fcn.0040bd50
jmp 0x421c08
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.0049b8b8
mov esp, ebp
pop ebp
ret
push 0x80070057
call fcn.0040c3e0
int3