Function at 0x43bd20
Capabilities:
Access peb ldr_data
Check if file exists
Get common file path
Get ntdll base address

Disassembly:
push ebx
mov ebx, esp
sub esp, 8
and esp, 0xfffffff8
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4fe557
mov eax, dword fs:[0]
push eax
push ebx
sub esp, 0x450
mov eax, dword [0x53000c]
xor eax, ebp
mov dword [ebp - 0x14], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
mov dword [ebp - 0x43c], esi
mov dword [ebp - 0x458], esi
sub esp, 0x18
mov dword [ebp - 4], 1
lea eax, [ebx + 0x30]
mov dword [ebp - 0x43c], esp
mov ecx, esp
push eax
call fcn.0041a300
sub esp, 0x18
mov byte [ebp - 4], 2
lea eax, [ebx + 0x18]
mov ecx, esp
push eax
call fcn.0041a300
push dword [ebx + 0x14]
mov ecx, esi
mov byte [ebp - 4], 1
push dword [ebx + 0x10]
push dword [ebx + 0xc]
push dword [ebx + 8]
call fcn.004373a0
mov byte [ebp - 4], 3
cmp dword [esi + 8], 0
mov dword [esi], vtable.SetNav2345.0
jne 0x43c139
cmp dword [0x53b888], 8
lea ecx, [esi + 0x200]
mov eax, 0x53b874
cmovae eax, dword [0x53b874]
mov dword [esi + 0x78], eax
mov eax, 0x53b88c
cmp dword [0x53b8a0], 8
push 6
cmovae eax, dword [0x53b88c]
push 0x51fe8c
mov dword [esi + 0xac], eax
call fcn.0041a5b0
push 0x20a
lea eax, [ebp - 0x228]
push 0
push eax
call fcn.004bcaf0
add esp, 0xc
lea eax, [ebp - 0x228]
push eax
push 0
push 0
push 0x1c
push 0
call dword [sym.imp.SHELL32.dll_SHGetFolderPathW]
cmp dword [0x53b8b8], 8
mov eax, 0x53b8a4
mov edi, dword [sym.imp.SHLWAPI.dll_PathAppendW]
cmovae eax, dword [0x53b8a4]
push eax
lea eax, [ebp - 0x228]
push eax
call edi
cmp dword [0x53b8d0], 8
mov eax, 0x53b8bc
cmovae eax, dword [0x53b8bc]
push eax
lea eax, [ebp - 0x228]
push eax
call edi
cmp dword [0x53b8e8], 8
mov eax, 0x53b8d4
cmovae eax, dword [0x53b8d4]
push eax
lea eax, [ebp - 0x228]
push eax
call edi
cmp dword [0x53b918], 8
mov eax, 0x53b904
cmovae eax, dword [0x53b904]
push eax
lea eax, [ebp - 0x228]
push eax
call edi
lea ecx, [ebp - 0x228]
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x43beb6
sub ecx, edx
lea eax, [ebp - 0x228]
sar ecx, 1
push ecx
push eax
lea ecx, [esi + 0x3c]
call fcn.0041a5b0
cmp dword [esi + 0x50], 8
lea eax, [esi + 0x3c]
jb 0x43bee1
mov eax, dword [esi + 0x3c]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x43bfc6
push 0x20a
push eax
lea eax, [ebp - 0x438]
push eax
call fcn.004bcaf0
add esp, 0xc
lea eax, [ebp - 0x438]
push eax
push 0
push 0
push 0x1c
push 0
call dword [sym.imp.SHELL32.dll_SHGetFolderPathW]
cmp dword [0x53b8b8], 8
mov eax, 0x53b8a4
cmovae eax, dword [0x53b8a4]
push eax
lea eax, [ebp - 0x438]
push eax
call dword [sym.imp.SHLWAPI.dll_PathAppendW]
cmp dword [0x53b8d0], 8
mov eax, 0x53b8bc
cmovae eax, dword [0x53b8bc]
push eax
lea eax, [ebp - 0x438]
push eax
call dword [sym.imp.SHLWAPI.dll_PathAppendW]
cmp dword [0x53b8e8], 8
mov eax, 0x53b8d4
cmovae eax, dword [0x53b8d4]
push eax
lea eax, [ebp - 0x438]
push eax
call dword [sym.imp.SHLWAPI.dll_PathAppendW]
cmp dword [0x53b900], 8
mov eax, 0x53b8ec
cmovae eax, dword [0x53b8ec]
push eax
lea eax, [ebp - 0x438]
push eax
call dword [sym.imp.SHLWAPI.dll_PathAppendW]
lea edx, [ebp - 0x438]
lea ecx, [edx + 2]
mov ax, word [edx]
add edx, 2
test ax, ax
jne 0x43bfa7
sub edx, ecx
lea eax, [ebp - 0x438]
sar edx, 1
lea ecx, [esi + 0x3c]
push edx
push eax
call fcn.0041a5b0
mov eax, dword [esi + 0xb4]
lea ecx, [esi + 0xb0]
mov dword [ebp - 0x43c], 0x80000002
cmp dword [ecx + 8], eax
je 0x43bfed
mov dword [eax], 0x80000002
add dword [ecx + 4], 4
jmp 0x43bffa
lea edx, [ebp - 0x43c]
push edx
push eax
call fcn.0044ae90
mov eax, dword [esi + 0xc0]
push 0x53b91c
cmp dword [esi + 0xc4], eax
je 0x43c01d
mov ecx, eax
call fcn.0041a300
add dword [esi + 0xc0], 0x18
jmp 0x43c029
push eax
lea ecx, [esi + 0xbc]
call fcn.0041ace0
xor eax, eax
mov dword [ebp - 0x444], 0
push eax
push 0x51c79c
lea ecx, [ebp - 0x454]
mov dword [ebp - 0x440], 7
mov word [ebp - 0x454], ax
call fcn.0041a5b0
lea ecx, [esi + 0xc8]
mov byte [ebp - 4], 4
mov eax, dword [ecx + 4]
cmp dword [ecx + 8], eax
je 0x43c094
movups xmm0, xmmword [ebp - 0x454]
mov edx, 7
movups xmmword [eax], xmm0
movq xmm0, qword [ebp - 0x444]
movq qword [eax + 0x10], xmm0
xor eax, eax
add dword [ecx + 4], 0x18
mov word [ebp - 0x454], ax
jmp 0x43c0a7
lea edx, [ebp - 0x454]
push edx
push eax
call fcn.00429d50
mov edx, dword [ebp - 0x440]
mov byte [ebp - 4], 3
cmp edx, 8
jb 0x43c0e5
mov ecx, dword [ebp - 0x454]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x43c0db
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x43c1db
push edx
push ecx
call fcn.0048e9ad
add esp, 8
cmp dword [esi + 8], 0
mov dword [esi + 0x1d0], 0x78
jne 0x43c139
mov ecx, esi
call fcn.00438940
mov eax, dword [esi + 4]
sub eax, 1
je 0x43c121
sub eax, 2
je 0x43c11a
sub eax, 1
je 0x43c113
or eax, 0xffffffff
jmp 0x43c126
call fcn.0045a2c0
jmp 0x43c126
call fcn.004688d0
jmp 0x43c126
call fcn.00477ac0
cmp byte [esi + 0x6c], 0
mov dword [esi + 0x1d8], eax
je 0x43c139
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 0xc]
mov edx, dword [ebx + 0x2c]
cmp edx, 8
jb 0x43c16f
mov ecx, dword [ebx + 0x18]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x43c165
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x43c1e0
push edx
push ecx
call fcn.0048e9ad
add esp, 8
mov edx, dword [ebx + 0x44]
xor eax, eax
mov dword [ebx + 0x28], 0
mov dword [ebx + 0x2c], 7
mov word [ebx + 0x18], ax
cmp edx, 8
jb 0x43c1b9
mov ecx, dword [ebx + 0x30]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x43c1af
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x43c1e5
push edx
push ecx
call fcn.0048e9ad
add esp, 8
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.0048e99c
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret 0x40
call fcn.004c5929
call fcn.004c5929
call fcn.004c5929
int3