Function at 0x43fe30
Capabilities:
Check if file exists
Check mutex on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4d2125
mov eax, dword fs:[0]
push eax
sub esp, 0x270
mov eax, dword [0x5153e8]
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 [0x51d338]
mov esi, dword [ebp + 8]
test al, 1
jne 0x43febe
or eax, 1
mov dword [0x51d338], eax
push 0x26
xor eax, eax
mov dword [ebp - 4], 0
push str.DEB796DA_F98E_48A4_AE1E_71411184820E
mov ecx, 0x51d320
mov dword [0x51d330], 0
mov dword [0x51d334], 7
mov word [0x51d320], ax
call fcn.00408480
push 0x4d9b50
call fcn.004924bf
mov eax, dword [0x51d338]
add esp, 4
mov dword [ebp - 4], 0xffffffff
test al, 2
jne 0x43ff17
or eax, 2
mov dword [0x51d338], eax
push 0x13
xor eax, eax
mov dword [ebp - 4], 1
push str.shared_memory_mutex
mov ecx, 0x51d33c
mov dword [0x51d34c], 0
mov dword [0x51d350], 7
mov word [0x51d33c], ax
call fcn.00408480
push 0x4d9bb0
call fcn.004924bf
mov eax, dword [0x51d338]
add esp, 4
mov dword [ebp - 4], 0xffffffff
test al, 4
jne 0x43ff70
or eax, 4
mov dword [0x51d338], eax
push 0x15
xor eax, eax
mov dword [ebp - 4], 2
push str.shared_memory_content
mov ecx, 0x51d354
mov dword [0x51d364], 0
mov dword [0x51d368], 7
mov word [0x51d354], ax
call fcn.00408480
push 0x4d9af0
call fcn.004924bf
mov eax, dword [0x51d338]
add esp, 4
mov dword [ebp - 4], 0xffffffff
test al, 8
jne 0x43ffc9
or eax, 8
mov dword [0x51d338], eax
push 0x26
xor eax, eax
mov dword [ebp - 4], 3
push str.DEB796DA_F98E_48A4_AE1E_71411184821F
mov ecx, 0x51d36c
mov dword [0x51d37c], 0
mov dword [0x51d380], 7
mov word [0x51d36c], ax
call fcn.00408480
push 0x4d9c70
call fcn.004924bf
mov eax, dword [0x51d338]
add esp, 4
mov dword [ebp - 4], 0xffffffff
test al, 0x10
jne 0x440022
or eax, 0x10
mov dword [0x51d338], eax
push 0x17
xor eax, eax
mov dword [ebp - 4], 4
push str.uwp_shared_memory_mutex
mov ecx, 0x51d384
mov dword [0x51d394], 0
mov dword [0x51d398], 7
mov word [0x51d384], ax
call fcn.00408480
push 0x4d9cd0
call fcn.004924bf
mov eax, dword [0x51d338]
add esp, 4
mov dword [ebp - 4], 0xffffffff
test al, 0x20
jne 0x440076
or eax, 0x20
mov dword [0x51d338], eax
push 0x19
xor eax, eax
mov dword [ebp - 4], 5
push str.uwp_shared_memory_content
mov ecx, 0x51d39c
mov dword [0x51d3ac], 0
mov dword [0x51d3b0], 7
mov word [0x51d39c], ax
call fcn.00408480
push 0x4d9c10
call fcn.004924bf
add esp, 4
mov dword [ebp - 4], 0xffffffff
push 0x51d320
lea ecx, [ebp - 0x27c]
call fcn.00403110
push 0x51d33c
lea ecx, [ebp - 0x24c]
mov dword [ebp - 4], 6
call fcn.00403110
mov byte [ebp - 4], 7
call fcn.0047aa30
test al, al
je 0x4400f4
cmp dword [0x51d380], 8
lea ecx, [ebp - 0x27c]
push dword [0x51d37c]
mov eax, 0x51d36c
cmovae eax, dword [0x51d36c]
push eax
call fcn.00408480
cmp dword [0x51d398], 8
lea ecx, [ebp - 0x24c]
push dword [0x51d394]
mov eax, 0x51d384
cmovae eax, dword [0x51d384]
push eax
call fcn.00408480
push 0x208
lea eax, [ebp - 0x218]
push 0
push eax
call fcn.00494910
add esp, 0xc
lea ecx, [ebp - 0x27c]
cmp dword [ebp - 0x268], 8
cmovae ecx, dword [ebp - 0x27c]
cmp dword [esi + 0x14], 8
jb 0x440126
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.0041bbf0
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 0x440180
sub ecx, edx
lea eax, [ebp - 0x218]
sar ecx, 1
push ecx
push eax
lea ecx, [ebp - 0x264]
call fcn.00408480
lea eax, [ebp - 0x264]
mov byte [ebp - 4], 8
push eax
lea ecx, [ebp - 0x230]
mov dword [ebp - 0x234], 0
call fcn.00403110
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 0x4401f9
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 2
jne 0x4401f9
xor bl, bl
jmp 0x4401fb
mov bl, 1
push esi
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call esi
mov eax, dword [ebp - 0x234]
test eax, eax
je 0x440227
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 0x440267
mov ecx, dword [ebp - 0x230]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x44025d
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x44037a
push edx
push ecx
call fcn.0049211e
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 0x4402c4
mov ecx, dword [ebp - 0x264]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x4402ba
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x44037a
push edx
push ecx
call fcn.0049211e
add esp, 8
mov edx, dword [ebp - 0x238]
cmp edx, 8
jb 0x440304
mov ecx, dword [ebp - 0x24c]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x4402fa
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x44037a
push edx
push ecx
call fcn.0049211e
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 0x44035d
mov ecx, dword [ebp - 0x27c]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x440353
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x44037a
push edx
push ecx
call fcn.0049211e
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.0049212c
mov esp, ebp
pop ebp
ret
call fcn.0049da69
int3