Function at 0x43f610
Capabilities:
Check if file exists
Check mutex on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4cb115
mov eax, dword fs:[0]
push eax
sub esp, 0x270
mov eax, dword [0x50b3e0]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov eax, dword [0x513328]
mov esi, dword [ebp + 8]
test al, 1
jne 0x43f69e
or eax, 1
mov dword [0x513328], eax
push 0x26
xor eax, eax
mov dword [ebp - 4], 0
push str.DEB796DA_F98E_48A4_AE1E_71411184820E
mov ecx, 0x513310
mov dword [0x513320], 0
mov dword [0x513324], 7
mov word [0x513310], ax
call fcn.00408330
push 0x4d2810
call fcn.0048c9ff
mov eax, dword [0x513328]
add esp, 4
mov dword [ebp - 4], 0xffffffff
test al, 2
jne 0x43f6f7
or eax, 2
mov dword [0x513328], eax
push 0x13
xor eax, eax
mov dword [ebp - 4], 1
push str.shared_memory_mutex
mov ecx, 0x51332c
mov dword [0x51333c], 0
mov dword [0x513340], 7
mov word [0x51332c], ax
call fcn.00408330
push 0x4d2870
call fcn.0048c9ff
mov eax, dword [0x513328]
add esp, 4
mov dword [ebp - 4], 0xffffffff
test al, 4
jne 0x43f750
or eax, 4
mov dword [0x513328], eax
push 0x15
xor eax, eax
mov dword [ebp - 4], 2
push str.shared_memory_content
mov ecx, 0x513344
mov dword [0x513354], 0
mov dword [0x513358], 7
mov word [0x513344], ax
call fcn.00408330
push 0x4d27b0
call fcn.0048c9ff
mov eax, dword [0x513328]
add esp, 4
mov dword [ebp - 4], 0xffffffff
test al, 8
jne 0x43f7a9
or eax, 8
mov dword [0x513328], eax
push 0x26
xor eax, eax
mov dword [ebp - 4], 3
push str.DEB796DA_F98E_48A4_AE1E_71411184821F
mov ecx, 0x51335c
mov dword [0x51336c], 0
mov dword [0x513370], 7
mov word [0x51335c], ax
call fcn.00408330
push 0x4d2930
call fcn.0048c9ff
mov eax, dword [0x513328]
add esp, 4
mov dword [ebp - 4], 0xffffffff
test al, 0x10
jne 0x43f802
or eax, 0x10
mov dword [0x513328], eax
push 0x17
xor eax, eax
mov dword [ebp - 4], 4
push str.uwp_shared_memory_mutex
mov ecx, 0x513374
mov dword [0x513384], 0
mov dword [0x513388], 7
mov word [0x513374], ax
call fcn.00408330
push 0x4d2990
call fcn.0048c9ff
mov eax, dword [0x513328]
add esp, 4
mov dword [ebp - 4], 0xffffffff
test al, 0x20
jne 0x43f856
or eax, 0x20
mov dword [0x513328], eax
push 0x19
xor eax, eax
mov dword [ebp - 4], 5
push str.uwp_shared_memory_content
mov ecx, 0x51338c
mov dword [0x51339c], 0
mov dword [0x5133a0], 7
mov word [0x51338c], ax
call fcn.00408330
push 0x4d28d0
call fcn.0048c9ff
add esp, 4
mov dword [ebp - 4], 0xffffffff
push 0x513310
lea ecx, [ebp - 0x27c]
call fcn.00403070
push 0x51332c
lea ecx, [ebp - 0x24c]
mov dword [ebp - 4], 6
call fcn.00403070
mov byte [ebp - 4], 7
call fcn.004756d0
test al, al
je 0x43f8d4
cmp dword [0x513370], 8
lea ecx, [ebp - 0x27c]
push dword [0x51336c]
mov eax, 0x51335c
cmovae eax, dword [0x51335c]
push eax
call fcn.00408330
cmp dword [0x513388], 8
lea ecx, [ebp - 0x24c]
push dword [0x513384]
mov eax, 0x513374
cmovae eax, dword [0x513374]
push eax
call fcn.00408330
push 0x208
lea eax, [ebp - 0x218]
push 0
push eax
call fcn.0048ee50
add esp, 0xc
lea ecx, [ebp - 0x27c]
cmp dword [ebp - 0x268], 8
cmovae ecx, dword [ebp - 0x27c]
cmp dword [esi + 0x14], 8
jb 0x43f906
mov esi, dword [esi]
cmp dword [ebp - 0x238], 8
lea eax, [ebp - 0x24c]
push ecx
cmovae eax, dword [ebp - 0x24c]
push esi
push eax
push str._ws__ws_starup_object__ws
lea eax, [ebp - 0x218]
push 0x104
push eax
call fcn.0041b6f0
add esp, 0x18
mov dword [ebp - 0x254], 0
xor eax, eax
mov dword [ebp - 0x250], 7
lea ecx, [ebp - 0x218]
mov word [ebp - 0x264], ax
lea edx, [ecx + 2]
lea esp, [esp]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x43f960
sub ecx, edx
lea eax, [ebp - 0x218]
sar ecx, 1
push ecx
push eax
lea ecx, [ebp - 0x264]
call fcn.00408330
lea eax, [ebp - 0x264]
mov byte [ebp - 4], 8
push eax
lea ecx, [ebp - 0x230]
mov dword [ebp - 0x234], 0
call fcn.00403070
cmp dword [ebp - 0x21c], 8
lea eax, [ebp - 0x230]
cmovae eax, dword [ebp - 0x230]
push eax
push 0
push 0x100000
call dword [sym.imp.KERNEL32.dll_OpenMutexW]
mov esi, eax
test esi, esi
jne 0x43f9d9
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 2
jne 0x43f9d9
xor bl, bl
jmp 0x43f9db
mov bl, 1
push esi
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call esi
mov eax, dword [ebp - 0x234]
test eax, eax
je 0x43fa07
push eax
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
push dword [ebp - 0x234]
call esi
mov dword [ebp - 0x234], 0
mov edx, dword [ebp - 0x21c]
cmp edx, 8
jb 0x43fa47
mov ecx, dword [ebp - 0x230]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x43fa3d
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x43fb5a
push edx
push ecx
call fcn.0048c65e
add esp, 8
mov edx, dword [ebp - 0x250]
xor eax, eax
mov dword [ebp - 0x220], 0
mov dword [ebp - 0x21c], 7
mov word [ebp - 0x230], ax
cmp edx, 8
jb 0x43faa4
mov ecx, dword [ebp - 0x264]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x43fa9a
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x43fb5a
push edx
push ecx
call fcn.0048c65e
add esp, 8
mov edx, dword [ebp - 0x238]
cmp edx, 8
jb 0x43fae4
mov ecx, dword [ebp - 0x24c]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x43fada
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x43fb5a
push edx
push ecx
call fcn.0048c65e
add esp, 8
mov edx, dword [ebp - 0x268]
xor eax, eax
mov dword [ebp - 0x23c], 0
mov dword [ebp - 0x238], 7
mov word [ebp - 0x24c], ax
cmp edx, 8
jb 0x43fb3d
mov ecx, dword [ebp - 0x27c]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x43fb33
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x43fb5a
push edx
push ecx
call fcn.0048c65e
add esp, 8
mov al, bl
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.0048c66c
mov esp, ebp
pop ebp
ret
call fcn.00497fa9
int3