Function at 0x421440
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 0x499886
mov eax, dword fs:[0]
push eax
sub esp, 0x218
mov eax, dword [0x4cf500]
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]
mov ecx, section..data
call edx
add eax, 0x10
mov dword [ebp - 0x224], eax
lea eax, [ebp - 0x224]
push eax
mov ebx, 0x4aac6c
mov edi, str.SOFTWAREMicrosoftWindowsCurrentVersionApp_PathsPPStream.exe
mov ecx, 0x80000002
mov dword [ebp - 4], 0
call fcn.00417fd0
mov ebx, dword [ebp - 0x224]
mov eax, dword [ebx - 0xc]
mov edi, dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
add esp, 4
test eax, eax
je 0x4214f7
push ebx
call edi
cmp eax, 0xffffffff
je 0x4214f7
test al, 0x10
jne 0x4214f7
lea eax, [ebx - 0x10]
mov dword [ebp - 4], 0xffffffff
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x4214ed
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov eax, 1
jmp 0x42185f
xor ecx, ecx
push 0x208
push ecx
lea edx, [ebp - 0x21a]
push edx
mov word [ebp - 0x21c], cx
call fcn.00477f60
mov esi, dword [sym.imp.SHELL32.dll_SHGetSpecialFolderPathW]
add esp, 0xc
push 0
push 0x26
lea eax, [ebp - 0x21c]
push eax
push 0
call esi
push str.PPStreamPPStream.exe
lea ecx, [ebp - 0x21c]
push 0x105
push ecx
call fcn.00473902
add esp, 0xc
lea edx, [ebp - 0x21c]
push edx
call edi
cmp eax, 0xffffffff
je 0x421559
test al, 0x10
je 0x4214ca
push 0x104
lea ecx, [ebp - 0x21c]
push 0
push ecx
call fcn.00477f60
add esp, 0xc
push 0
push 0x1a
lea edx, [ebp - 0x21c]
push edx
push 0
call esi
push str.MicrosoftInternet_ExplorerQuick_LaunchUser_PinnedStartMenuPPS
lea eax, [ebp - 0x21c]
push 0x105
push eax
call fcn.00473902
add esp, 0xc
lea ecx, [ebp - 0x21c]
push ecx
call edi
cmp eax, 0xffffffff
je 0x4215c5
test al, 0x10
jne 0x4215c5
lea eax, [ebx - 0x10]
mov dword [ebp - 4], 0xffffffff
lea edx, [eax + 0xc]
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jmp 0x4214e1
push 0x104
lea ecx, [ebp - 0x21c]
push 0
push ecx
call fcn.00477f60
add esp, 0xc
push 0
push 0x1a
lea edx, [ebp - 0x21c]
push edx
push 0
call esi
push str.MicrosoftInternet_ExplorerQuick_LaunchUser_PinnedTaskBarPPS
lea eax, [ebp - 0x21c]
push 0x105
push eax
call fcn.00473902
add esp, 0xc
lea ecx, [ebp - 0x21c]
push ecx
call edi
cmp eax, 0xffffffff
je 0x421615
test al, 0x10
je 0x4215a9
push 0x4af520
lea ecx, [ebp - 0x220]
call fcn.00401c90
push 0x104
lea ecx, [ebp - 0x21c]
push 0
push ecx
mov byte [ebp - 4], 1
call fcn.00477f60
add esp, 0xc
push 0
push 0x10
lea edx, [ebp - 0x21c]
push edx
push 0
call esi
mov eax, dword [ebp - 0x220]
push eax
lea ecx, [ebp - 0x21c]
push 0x105
push ecx
call fcn.00473902
add esp, 0xc
lea edx, [ebp - 0x21c]
push edx
call edi
cmp eax, 0xffffffff
je 0x42169b
test al, 0x10
jne 0x42169b
lea ecx, [ebp - 0x220]
call fcn.004016d0
lea ecx, [ebp - 0x224]
call fcn.004016d0
mov eax, 1
jmp 0x42185f
push 0x104
lea eax, [ebp - 0x21c]
push 0
push eax
call fcn.00477f60
add esp, 0xc
push 0
push 0x19
lea ecx, [ebp - 0x21c]
push ecx
push 0
call esi
mov edx, dword [ebp - 0x220]
push edx
lea eax, [ebp - 0x21c]
push 0x105
push eax
call fcn.00473902
add esp, 0xc
lea ecx, [ebp - 0x21c]
push ecx
call edi
cmp eax, 0xffffffff
je 0x4216ed
test al, 0x10
je 0x42167b
push 0x104
lea edx, [ebp - 0x21c]
push 0
push edx
call fcn.00477f60
add esp, 0xc
push 0
push 2
lea eax, [ebp - 0x21c]
push eax
push 0
call esi
mov ecx, dword [ebp - 0x220]
push ecx
lea edx, [ebp - 0x21c]
push 0x105
push edx
call fcn.00473902
add esp, 0xc
lea eax, [ebp - 0x21c]
call fcn.0040cff0
test eax, eax
jne 0x42167b
push 0x104
push eax
lea eax, [ebp - 0x21c]
push eax
call fcn.00477f60
add esp, 0xc
push 0
push 0x17
lea ecx, [ebp - 0x21c]
push ecx
push 0
call esi
mov edx, dword [ebp - 0x220]
push edx
lea eax, [ebp - 0x21c]
push 0x105
push eax
call fcn.00473902
add esp, 0xc
lea eax, [ebp - 0x21c]
call fcn.0040cff0
lea ecx, [ebp - 0x220]
test eax, eax
jne 0x421681
push str.PPStreamPPS
call fcn.00401c40
push 0x104
lea ecx, [ebp - 0x21c]
push 0
push ecx
call fcn.00477f60
add esp, 0xc
push 0
push 2
lea edx, [ebp - 0x21c]
push edx
push 0
call esi
mov eax, dword [ebp - 0x220]
push eax
lea ecx, [ebp - 0x21c]
push 0x105
push ecx
call fcn.00473902
add esp, 0xc
lea eax, [ebp - 0x21c]
call fcn.0040cff0
test eax, eax
jne 0x42167b
push 0x104
push eax
lea edx, [ebp - 0x21c]
push edx
call fcn.00477f60
add esp, 0xc
push 0
push 0x17
lea eax, [ebp - 0x21c]
push eax
push 0
call esi
mov ecx, dword [ebp - 0x220]
push ecx
lea edx, [ebp - 0x21c]
push 0x105
push edx
call fcn.00473902
add esp, 0xc
lea eax, [ebp - 0x21c]
call fcn.0040cff0
lea ecx, [ebp - 0x220]
test eax, eax
jne 0x421681
call fcn.004016d0
lea ecx, [ebp - 0x224]
call fcn.004016d0
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.00472ba1
mov esp, ebp
pop ebp
ret