Function at 0x440333
Capabilities:
Check if file exists
Get common file path
Get file attributes
Query environment variable

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x118
mov dword [ebp - 0x118], ecx
mov eax, dword [ebp + 8]
add eax, 0x104
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x44066b
push 0x104
lea ecx, [ebp - 0x108]
push ecx
mov edx, dword [ebp + 8]
add edx, 0x104
push edx
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
lea eax, [ebp - 0x108]
mov dword [ebp - 4], eax
movsx ecx, byte [ebp - 0x108]
cmp ecx, 0x22
jne 0x4403b4
push 0x22
lea edx, [ebp - 0x107]
push edx
call fcn.0041e600
add esp, 8
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
je 0x4403ab
mov eax, dword [ebp - 4]
mov byte [eax], 0
lea ecx, [ebp - 0x107]
mov dword [ebp - 4], ecx
mov edx, dword [ebp - 4]
push edx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x44044d
mov eax, dword [ebp - 4]
push eax
call sub.ntdll.dll_strlen
add esp, 4
mov ecx, dword [ebp - 4]
add ecx, eax
mov dword [ebp - 0x10c], ecx
mov edx, dword [ebp - 0x10c]
lea eax, [ebp - 0x108]
cmp edx, eax
jbe 0x44044d
mov ecx, dword [ebp - 0x10c]
mov dl, byte [ecx]
mov byte [ebp - 0x114], dl
movsx eax, byte [ebp - 0x114]
cmp eax, 0x20
je 0x440414
movsx ecx, byte [ebp - 0x114]
cmp ecx, 9
jne 0x44043c
mov edx, dword [ebp - 0x10c]
mov byte [edx], 0
mov eax, dword [ebp - 4]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
je 0x44042e
jmp 0x44044d
mov ecx, dword [ebp - 0x10c]
mov dl, byte [ebp - 0x114]
mov byte [ecx], dl
mov eax, dword [ebp - 0x10c]
sub eax, 1
mov dword [ebp - 0x10c], eax
jmp 0x4403de
mov ecx, dword [ebp + 8]
add ecx, 0x104
mov dword [ebp - 0x10c], ecx
push 0x50c52c
call sub.ntdll.dll_strlen
add esp, 4
mov dword [ebp - 0x110], eax
mov edx, dword [ebp - 0x110]
push edx
mov eax, dword [ebp - 4]
push eax
push str.SystemRoot_
call fcn.004153d0
add esp, 0xc
test eax, eax
jne 0x4404d4
mov ecx, dword [ebp - 4]
add ecx, dword [ebp - 0x110]
mov dword [ebp - 4], ecx
push 0x104
mov edx, dword [ebp - 0x10c]
push edx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
mov ecx, dword [ebp - 0x10c]
add ecx, eax
mov dword [ebp - 0x10c], ecx
mov edx, dword [ebp - 0x10c]
mov byte [edx], 0x5c
mov eax, dword [ebp - 0x10c]
add eax, 1
mov dword [ebp - 0x10c], eax
jmp 0x440584
push 0x50c54c
call sub.ntdll.dll_strlen
add esp, 4
mov dword [ebp - 0x110], eax
mov ecx, dword [ebp - 0x110]
push ecx
mov edx, dword [ebp - 4]
push edx
push str.system32_
call fcn.004153d0
add esp, 0xc
test eax, eax
jne 0x440549
mov eax, dword [ebp - 4]
add eax, dword [ebp - 0x110]
mov dword [ebp - 4], eax
push 0x104
mov ecx, dword [ebp - 0x10c]
push ecx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
mov edx, dword [ebp - 0x10c]
add edx, eax
mov dword [ebp - 0x10c], edx
mov eax, dword [ebp - 0x10c]
mov byte [eax], 0x5c
mov ecx, dword [ebp - 0x10c]
add ecx, 1
mov dword [ebp - 0x10c], ecx
jmp 0x440584
push 0x50c564
call sub.ntdll.dll_strlen
add esp, 4
mov dword [ebp - 0x110], eax
mov edx, dword [ebp - 0x110]
push edx
mov eax, dword [ebp - 4]
push eax
push 0x50c56c
call fcn.004153d0
add esp, 0xc
test eax, eax
jne 0x440584
mov ecx, dword [ebp - 4]
add ecx, dword [ebp - 0x110]
mov dword [ebp - 4], ecx
mov edx, dword [ebp - 4]
push edx
push 0x50c574
push 0x104
mov eax, dword [ebp - 0x10c]
push eax
call fcn.0040a2c0
add esp, 0x10
push 0x5c
mov ecx, dword [ebp + 8]
add ecx, 0x104
push ecx
call fcn.0041e600
add esp, 8
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
jne 0x4405d5
push 0x2f
mov edx, dword [ebp + 8]
add edx, 0x104
push edx
call fcn.0041e600
add esp, 8
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
jne 0x44066b
push 0x104
lea eax, [ebp - 0x108]
push eax
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
lea ecx, [ebp + eax - 0x108]
mov dword [ebp - 4], ecx
mov edx, dword [ebp + 8]
add edx, 0x104
push edx
push 0x50c578
push 0x104
mov eax, dword [ebp - 4]
push eax
call fcn.0040a2c0
add esp, 0x10
lea ecx, [ebp - 0x108]
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x44064d
mov edx, dword [ebp + 8]
add edx, 0x104
push edx
push str._system32_s
push 0x104
mov eax, dword [ebp - 4]
push eax
call fcn.0040a2c0
add esp, 0x10
push 0x104
lea ecx, [ebp - 0x108]
push ecx
mov edx, dword [ebp + 8]
add edx, 0x104
push edx
call fcn.0041e620
add esp, 0xc
mov esp, ebp
pop ebp
ret 4