Function at 0x421b10
Capabilities:
Check if file exists
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5a5ad8
mov eax, dword fs:[0]
push eax
sub esp, 0x430
mov eax, dword [0x61d4d4]
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 eax, dword [ebp + 8]
mov ebx, 1
mov dword [ebp - 0x42c], eax
call fcn.004085b0
mov ecx, eax
test ecx, ecx
je 0x421fae
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x428], eax
push str.__fromnewinstall
lea ecx, [ebp - 0x428]
mov dword [ebp - 4], 0
call fcn.00407980
test al, al
jne 0x421b96
push 0x11
push str.__fromnewinstall
lea ecx, [ebp - 0x428]
call fcn.00408d70
mov esi, dword [sym.imp.SHLWAPI.dll_SHGetValueW]
lea eax, [ebp - 0x430]
push eax
lea eax, [ebp - 0x43c]
mov dword [ebp - 4], 1
push eax
lea eax, [ebp - 0x434]
mov dword [ebp - 0x434], 4
push eax
push str.shortcut
push str.SOFTWARETabXExplorer
push reloc.OLEAUT32.dll_SysReAllocString
mov dword [ebp - 0x43c], 0
mov dword [ebp - 0x430], 4
call esi
or edi, 0xffffffff
test eax, eax
jne 0x421bfb
cmp dword [ebp - 0x43c], 1
je 0x421f1b
push 0x208
lea eax, [ebp - 0x218]
push 0
push eax
call fcn.004fba30
add esp, 0xc
mov dword [ebp - 0x434], 1
lea eax, [ebp - 0x430]
mov dword [ebp - 0x430], 0x104
push eax
lea eax, [ebp - 0x218]
push eax
lea eax, [ebp - 0x434]
push eax
push str.Setup_Path
push str.SOFTWARETabXExplorer
push reloc.OLEAUT32.dll_SysReAllocString
call esi
test eax, eax
je 0x421c59
mov ebx, 2
jmp 0x421f1b
lea edx, [ebp - 0x218]
lea esi, [edx + 2]
mov ax, word [edx]
add edx, 2
test ax, ax
jne 0x421c62
mov ecx, dword [ebp - 0x42c]
lea eax, [ebp - 0x218]
sub edx, esi
sar edx, 1
push edx
push eax
call fcn.00408d70
push 0x5b9d28
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.SHLWAPI.dll_PathAppendW]
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x421caf
lea ebx, [eax + 2]
jmp 0x421f1b
push 0x208
lea eax, [ebp - 0x420]
push 0
push eax
call fcn.004fba30
add esp, 0xc
lea eax, [ebp - 0x420]
push 0x104
push eax
push dword [0x6252f8]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
call fcn.004085b0
mov ecx, eax
test ecx, ecx
je 0x421fb8
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x438], eax
mov byte [ebp - 4], 2
call fcn.004085b0
mov ecx, eax
test ecx, ecx
je 0x421fc2
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x424], eax
lea eax, [ebp - 0x218]
mov byte [ebp - 4], 3
push eax
lea ecx, [ebp - 0x424]
call fcn.00407980
test al, al
jne 0x421d62
lea ecx, [ebp - 0x218]
lea edx, [ecx + 2]
nop
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x421d40
sub ecx, edx
lea eax, [ebp - 0x218]
sar ecx, 1
push ecx
push eax
lea ecx, [ebp - 0x424]
call fcn.00408d70
lea eax, [ebp - 0x438]
mov byte [ebp - 4], 4
push eax
lea eax, [ebp - 0x424]
push eax
call fcn.004158f0
mov edx, dword [ebp - 0x424]
add esp, 8
mov byte [ebp - 4], 2
add edx, 0xfffffff0
mov eax, edi
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x421d9d
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
call fcn.004085b0
mov ecx, eax
test ecx, ecx
je 0x421fcc
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x42c], eax
mov byte [ebp - 4], 5
call fcn.004085b0
mov ecx, eax
test ecx, ecx
je 0x421fd6
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x424], eax
lea eax, [ebp - 0x420]
mov byte [ebp - 4], 6
push eax
lea ecx, [ebp - 0x424]
call fcn.00407980
test al, al
jne 0x421e22
lea ecx, [ebp - 0x420]
lea edx, [ecx + 2]
nop
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x421e00
sub ecx, edx
lea eax, [ebp - 0x420]
sar ecx, 1
push ecx
push eax
lea ecx, [ebp - 0x424]
call fcn.00408d70
lea eax, [ebp - 0x42c]
mov byte [ebp - 4], 7
push eax
lea eax, [ebp - 0x424]
push eax
call fcn.004158f0
mov edx, dword [ebp - 0x424]
add esp, 8
mov byte [ebp - 4], 5
add edx, 0xfffffff0
mov eax, edi
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x421e5d
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov esi, dword [ebp - 0x42c]
cmp dword [esi - 0xc], 0
jne 0x421e93
mov ebx, 2
add esi, 0xfffffff0
mov byte [ebp - 4], bl
mov eax, edi
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x421e88
mov ecx, dword [esi]
push esi
mov eax, dword [ecx]
call dword [eax + 4]
mov edx, dword [ebp - 0x438]
add edx, 0xfffffff0
jmp 0x421f03
mov edi, dword [ebp - 0x438]
push edi
push esi
call fcn.00410500
add esp, 8
lea ecx, [ebp - 0x428]
test eax, eax
jns 0x421ebe
push 0
push 0x5ba374
call fcn.00408d70
or ebx, 0xffffffff
jmp 0x421ee1
jne 0x421ed0
push 0
push 0x5ba374
call fcn.00408d70
xor ebx, ebx
jmp 0x421ee1
push 0x10
push str.__fromupinstall
mov ebx, 1
call fcn.00408d70
mov byte [ebp - 4], 2
add esi, 0xfffffff0
or eax, 0xffffffff
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x421efd
mov ecx, dword [esi]
push esi
mov eax, dword [ecx]
call dword [eax + 4]
lea edx, [edi - 0x10]
or edi, 0xffffffff
mov eax, edi
mov byte [ebp - 4], 1
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x421f1b
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov esi, dword [ebp - 0x428]
cmp dword [esi - 4], 1
jle 0x421f3b
push dword [esi - 0xc]
lea ecx, [ebp - 0x428]
call fcn.00408500
mov esi, dword [ebp - 0x428]
call fcn.0041baf0
add eax, 0x40
mov dword [ebp - 0x42c], eax
test esi, esi
jne 0x421f51
xor ecx, ecx
jmp 0x421f6b
mov ecx, esi
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x421f56
mov eax, dword [ebp - 0x42c]
sub ecx, edx
sar ecx, 1
push ecx
push esi
mov ecx, eax
call fcn.00408d70
mov dword [ebp - 4], 0xffffffff
add esi, 0xfffffff0
lock xadd dword [esi + 0xc], edi
dec edi
test edi, edi
jg 0x421f90
mov ecx, dword [esi]
push esi
mov edx, dword [ecx]
call dword [edx + 4]
mov eax, ebx
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.0045f038
mov esp, ebp
pop ebp
ret
push 0x80004005
call fcn.00407960
push 0x80004005
call fcn.00407960
push 0x80004005
call fcn.00407960
push 0x80004005
call fcn.00407960
push 0x80004005
call fcn.00407960
int3