Function at 0x51b120
Capabilities:
Check if file exists
Get common file path
Set current directory

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x628
push ebx
push esi
push edi
xor ebx, ebx
mov ecx, 0x82
xor eax, eax
lea edi, [ebp - 0x20e]
mov word [ebp - 0x210], bx
rep stosd dword es:[edi], eax
mov ecx, 0x82
lea edi, [ebp - 0x626]
mov word [ebp - 0x628], bx
push ebx
rep stosd dword es:[edi], eax
lea eax, [ebp - 0x210]
push 0x1a
push eax
push ebx
call dword [sym.imp.SHELL32.dll_SHGetSpecialFolderPathW]
test eax, eax
je 0x51b190
lea ecx, [ebp - 0x210]
push 0x56ddc8
push ecx
call dword [sym.imp.SHLWAPI.dll_PathAppendW]
lea edx, [ebp - 0x210]
push edx
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x51b19f
xor eax, eax
lea esp, [ebp - 0x634]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
lea eax, [ebp - 0x210]
test eax, eax
jne 0x51b1ad
xor esi, esi
jmp 0x51b1e4
lea ecx, [ebp - 0x210]
push ecx
call dword [sym.imp.KERNEL32.dll_lstrlenW]
lea edi, [eax + eax + 2]
mov eax, edi
add eax, 3
and al, 0xfc
call fcn.0051d7f0
mov esi, esp
push ebx
push ebx
push edi
push esi
lea edx, [ebp - 0x210]
push 0xffffffffffffffff
push edx
push ebx
push ebx
mov byte [esi], 0
call dword [sym.imp.KERNEL32.dll_WideCharToMultiByte]
push 0x104
push esi
push 0x592e2c
call dword [sym.imp.MSVCRT.dll_strncpy]
lea eax, [ebp - 0x210]
push 0x104
push eax
push 0x592c20
call dword [sym.imp.MSVCRT.dll_wcsncpy]
add esp, 0x18
lea ecx, [ebp - 0x628]
push ecx
push 0x104
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryW]
lea edx, [ebp - 0x210]
push edx
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
mov esi, 0x597f18
mov ecx, esi
call fcn.0051b3c0
add esi, 0x470
cmp esi, 0x59cef8
jl 0x51b233
mov esi, 0x59315a
mov edi, esi
neg edi
mov dword [ebp - 4], edi
jmp 0x51b259
mov edi, dword [ebp - 4]
push esi
push str.ieframe.dll
call dword [sym.imp.MSVCRT.dll__wcsicmp]
add esp, 8
test eax, eax
jne 0x51b2f7
mov eax, dword [0x56db4c]
mov edx, 0x104
cmp eax, 8
mov eax, esi
jne 0x51b2bc
lea edi, [edi + ebx + 0x56da68]
lea ecx, [edx + 0x7ffffefa]
test ecx, ecx
je 0x51b2ae
mov cx, word [edi + eax]
test cx, cx
je 0x51b2ae
mov word [eax], cx
add eax, 2
dec edx
jne 0x51b288
sub eax, 2
mov word [eax], 0
jmp 0x51b303
test edx, edx
jne 0x51b2b5
sub eax, 2
mov word [eax], 0
jmp 0x51b303
lea edi, [edi + ebx + 0x56ddb0]
lea ecx, [edx + 0x7ffffefa]
test ecx, ecx
je 0x51b2e9
mov cx, word [edi + eax]
test cx, cx
je 0x51b2e9
mov word [eax], cx
add eax, 2
dec edx
jne 0x51b2c3
sub eax, 2
mov word [eax], 0
jmp 0x51b303
test edx, edx
jne 0x51b2f0
sub eax, 2
mov word [eax], 0
jmp 0x51b303
mov edx, dword [0x56db4c]
add edx, 0x30
mov word [esi], dx
mov ecx, 0x82
xor eax, eax
lea edi, [ebp - 0x41a]
mov word [ebp - 0x41c], 0
rep stosd dword es:[edi], eax
lea eax, [ebp - 0x210]
lea ecx, [ebp - 0x41c]
push eax
push ecx
call dword [sym.imp.MSVCRT.dll_wcscpy]
add esp, 8
lea edx, [ebp - 0x41c]
push esi
push edx
call dword [sym.imp.SHLWAPI.dll_PathAppendW]
mov edi, dword [sym.imp.KERNEL32.dll_LoadLibraryW]
lea eax, [ebp - 0x41c]
push eax
call edi
test eax, eax
mov dword [esi - 0x20e], eax
je 0x51b362
lea ecx, [ebp - 0x41c]
push ecx
call edi
sub ebx, 0x470
add esi, 0x470
cmp ebx, 0xffffb020
jg 0x51b256
mov esi, 0x592f38
mov ecx, esi
call fcn.0051b3c0
add esi, 0x470
cmp esi, 0x597f18
jl 0x51b37f
lea edx, [ebp - 0x628]
push edx
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
lea esp, [ebp - 0x634]
mov eax, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret