Function at 0x43a9f0
Capabilities:
Check if file exists
Get common file path
Get file attributes
Get program files directory

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x48fc56
mov eax, dword fs:[0]
push eax
sub esp, 0x220
mov eax, dword [0x4c31d0]
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 [section..data]
mov edx, dword [eax + 0xc]
xor esi, esi
mov ecx, section..data
mov dword [ebp - 0x228], esi
call edx
add eax, 0x10
mov dword [ebp - 0x220], eax
lea eax, [ebp - 0x220]
push eax
mov ebx, str.install
mov edi, str.SOFTWAREWow6432NodeTencentqqlive
mov ecx, 0x80000002
mov dword [ebp - 4], esi
call fcn.004167f0
mov edi, dword [ebp - 0x220]
mov eax, dword [edi - 0xc]
mov esi, dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
add esp, 4
test eax, eax
je 0x43aaa9
lea ecx, [ebp - 0x220]
push ecx
lea edx, [ebp - 0x22c]
push edx
mov ebx, str.QQLive.exe
call fcn.00406600
mov eax, dword [eax]
add esp, 8
push eax
mov dword [ebp - 0x228], 1
call esi
cmp eax, 0xffffffff
je 0x43aaa9
test al, 0x10
jne 0x43aaa9
mov bl, 1
jmp 0x43aaab
xor bl, bl
test byte [ebp - 0x228], 1
je 0x43aadd
mov eax, dword [ebp - 0x22c]
and dword [ebp - 0x228], 0xfffffffe
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x43aadd
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
test bl, bl
je 0x43ab0e
lea eax, [edi - 0x10]
mov dword [ebp - 4], 0xffffffff
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x43ab04
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov eax, 1
jmp 0x43ae75
lea ecx, [ebp - 0x220]
push ecx
mov ebx, str.install
mov edi, str.SOFTWARETencentqqlive
mov ecx, 0x80000002
call fcn.004167f0
mov edi, dword [ebp - 0x220]
mov eax, dword [edi - 0xc]
add esp, 4
test eax, eax
je 0x43ab6d
lea edx, [ebp - 0x220]
push edx
lea eax, [ebp - 0x22c]
push eax
mov ebx, str.QQLive.exe
call fcn.00406600
mov eax, dword [eax]
or dword [ebp - 0x228], 2
add esp, 8
push eax
call esi
cmp eax, 0xffffffff
je 0x43ab6d
test al, 0x10
jne 0x43ab6d
mov bl, 1
jmp 0x43ab6f
xor bl, bl
test byte [ebp - 0x228], 2
je 0x43ab9a
mov eax, dword [ebp - 0x22c]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x43ab9a
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
test bl, bl
jne 0x43aae1
xor ecx, ecx
push 0x208
push ecx
lea edx, [ebp - 0x21a]
push edx
mov word [ebp - 0x21c], cx
call fcn.00470590
mov edi, dword [sym.imp.SHELL32.dll_SHGetSpecialFolderPathW]
add esp, 0xc
push 0
push 0x26
lea eax, [ebp - 0x21c]
push eax
push 0
call edi
push str.TencentQQLiveQQLive.exe
lea ecx, [ebp - 0x21c]
push 0x105
push ecx
call fcn.0046de3c
add esp, 0xc
lea edx, [ebp - 0x21c]
push edx
call esi
or ebx, 0xffffffff
cmp eax, ebx
je 0x43ac1d
test al, 0x10
jne 0x43ac1d
mov dword [ebp - 4], ebx
mov eax, dword [ebp - 0x220]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
lock xadd dword [ecx], ebx
dec ebx
test ebx, ebx
jmp 0x43aaf8
push 0x104
lea ecx, [ebp - 0x21c]
push 0
push ecx
call fcn.00470590
add esp, 0xc
push 0
push 0x1a
lea edx, [ebp - 0x21c]
push edx
push 0
call edi
push 0x4aa178
lea eax, [ebp - 0x21c]
push 0x105
push eax
call fcn.0046de3c
add esp, 0xc
lea ecx, [ebp - 0x21c]
push ecx
call esi
cmp eax, ebx
je 0x43ac87
test al, 0x10
jne 0x43ac87
mov dword [ebp - 4], ebx
mov eax, dword [ebp - 0x220]
add eax, 0xfffffff0
lea edx, [eax + 0xc]
lock xadd dword [edx], ebx
dec ebx
test ebx, ebx
jmp 0x43aaf8
push 0x104
lea ecx, [ebp - 0x21c]
push 0
push ecx
call fcn.00470590
add esp, 0xc
push 0
push 0x1a
lea edx, [ebp - 0x21c]
push edx
push 0
call edi
push 0x4aa210
lea eax, [ebp - 0x21c]
push 0x105
push eax
call fcn.0046de3c
add esp, 0xc
lea ecx, [ebp - 0x21c]
push ecx
call esi
cmp eax, ebx
je 0x43acd6
test al, 0x10
je 0x43ad44
push 0x4aa2a0
lea ecx, [ebp - 0x224]
call fcn.00401c40
push 0x104
lea edx, [ebp - 0x21c]
push 0
push edx
mov byte [ebp - 4], 1
call fcn.00470590
add esp, 0xc
push 0
push 0x10
lea eax, [ebp - 0x21c]
push eax
push 0
call edi
mov ecx, dword [ebp - 0x224]
push ecx
lea edx, [ebp - 0x21c]
push 0x105
push edx
call fcn.0046de3c
add esp, 0xc
lea eax, [ebp - 0x21c]
call fcn.0040e910
test eax, eax
je 0x43ad59
lea ecx, [ebp - 0x224]
call fcn.00401670
lea ecx, [ebp - 0x220]
call fcn.00401670
mov eax, 1
jmp 0x43ae75
push 0x104
lea eax, [ebp - 0x21c]
push 0
push eax
call fcn.00470590
add esp, 0xc
push 0
push 0x19
lea ecx, [ebp - 0x21c]
push ecx
push 0
call edi
mov edx, dword [ebp - 0x224]
push edx
lea eax, [ebp - 0x21c]
push 0x105
push eax
call fcn.0046de3c
add esp, 0xc
lea eax, [ebp - 0x21c]
call fcn.0040e910
lea ecx, [ebp - 0x224]
test eax, eax
jne 0x43ad3f
push 0x4aa2b4
call fcn.00401bf0
push 0x104
lea ecx, [ebp - 0x21c]
push 0
push ecx
call fcn.00470590
add esp, 0xc
push 0
push 2
lea edx, [ebp - 0x21c]
push edx
push 0
call edi
mov eax, dword [ebp - 0x224]
push eax
lea ecx, [ebp - 0x21c]
push 0x105
push ecx
call fcn.0046de3c
add esp, 0xc
lea eax, [ebp - 0x21c]
call fcn.0040e910
test eax, eax
jne 0x43ad39
push 0x104
push eax
lea edx, [ebp - 0x21c]
push edx
call fcn.00470590
add esp, 0xc
push 0
push 0x17
lea eax, [ebp - 0x21c]
push eax
push 0
call edi
mov ecx, dword [ebp - 0x224]
push ecx
lea edx, [ebp - 0x21c]
push 0x105
push edx
call fcn.0046de3c
add esp, 0xc
lea eax, [ebp - 0x21c]
call fcn.0040e910
lea ecx, [ebp - 0x224]
test eax, eax
jne 0x43ad3f
call fcn.00401670
lea ecx, [ebp - 0x220]
call fcn.00401670
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.0046ca85
mov esp, ebp
pop ebp
ret