Function at 0x480900
Capabilities:
Check mutex on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4fb840
mov eax, dword fs:[0]
push eax
sub esp, 0xc
push ebx
push esi
push edi
mov eax, dword [0x5470b0]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
cmp dword [0x54d508], 0
jne 0x480ca6
push ecx
mov ecx, dword [0x54d514]
mov eax, esp
mov dword [ebp - 0x10], esp
push ecx
push str.Matrix_Init:_AppID_s
push eax
call fcn.00475230
add esp, 0xc
call fcn.0047efa0
mov edx, dword [0x54d514]
add esp, 4
push edx
lea eax, [ebp - 0x10]
push str.Cameyo.MatrixDiskMutex._s
push eax
mov dword [0x54d508], 1
call fcn.00475230
add esp, 0xc
mov dword [ebp - 4], 0
mov ecx, dword [ebp - 0x10]
push ecx
push 0
push 0x100000
call dword [sym.imp.KERNEL32.dll_OpenMutexW]
push ecx
mov dword [0x54d1c0], eax
mov dword [ebp - 0x14], esp
test eax, eax
jne 0x4809f3
mov ecx, esp
push str.Matrix_Init:_Creating_new_MatrixDiskMutex
call fcn.004247f5
call fcn.0047efa0
mov edx, dword [ebp - 0x10]
add esp, 4
push edx
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexW]
mov dword [0x54d1c0], eax
test eax, eax
je 0x4809d2
push eax
call fcn.00488d80
jmp 0x480a08
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov edx, dword [ebp - 0x10]
push ecx
mov ecx, esp
mov dword [ebp - 0x14], esp
push eax
push edx
push str.Matrix_Init:_error_creating_MatrixDiskMutex__s__LE_d
push ecx
call fcn.00475230
add esp, 0x10
jmp 0x480a03
mov eax, esp
push str.Matrix_Init:_using_existing_MatrixDiskMutex
push eax
call fcn.00475230
add esp, 8
call fcn.0047efa0
mov ecx, dword [0x54d1c8]
add esp, 4
push 1
push ecx
push ecx
mov dword [ebp - 0x18], esp
mov dword [ebp - 0x14], esp
push 0
push 0
push 0
push ecx
mov esi, esp
mov dword [ebp - 0x18], esp
mov ebx, 0x54cd10
mov dword [ebp - 0x18], esi
call fcn.004c31da
xor ecx, ecx
test eax, eax
setne cl
test ecx, ecx
jne 0x480a49
push 0x80004005
call fcn.00422000
mov edx, dword [eax]
mov ecx, eax
mov eax, dword [edx + 0xc]
call eax
add eax, 0x10
mov dword [esi], eax
mov ecx, str.VirtFiles.db
mov byte [ebp - 4], 1
test ecx, 0xffff0000
jne 0x480a82
mov edx, ecx
movzx edi, dx
push edi
call fcn.004cb124
test eax, eax
je 0x480a9c
push edi
push eax
mov ecx, esi
call fcn.00424e92
jmp 0x480a9c
push str.VirtFiles.db
call fcn.004d1e6a
add esp, 4
push eax
push str.VirtFiles.db
mov ecx, esi
call fcn.00425415
mov byte [ebp - 4], 0
mov eax, dword [ebp - 0x14]
push 1
push eax
call fcn.00486360
add esp, 0x18
mov ecx, ebx
call fcn.00480d40
add esp, 8
mov esi, esp
mov dword [ebp - 0x18], esp
xor ebx, ebx
mov dword [ebp - 0x18], esi
call fcn.004c31da
xor ecx, ecx
test eax, eax
setne cl
test ecx, ecx
jne 0x480adc
push 0x80004005
call fcn.00422000
mov edx, dword [eax]
mov ecx, eax
mov eax, dword [edx + 0xc]
call eax
add eax, 0x10
mov dword [esi], eax
mov ecx, str.VirtReg_Unused.db
mov byte [ebp - 4], 2
test ecx, 0xffff0000
jne 0x480b15
mov edx, ecx
movzx edi, dx
push edi
call fcn.004cb124
test eax, eax
je 0x480b2f
push edi
push eax
mov ecx, esi
call fcn.00424e92
jmp 0x480b2f
push str.VirtReg_Unused.db
call fcn.004d1e6a
add esp, 4
push eax
push str.VirtReg_Unused.db
mov ecx, esi
call fcn.00425415
lea eax, [ebp - 0x14]
push eax
mov ecx, ebx
mov byte [ebp - 4], 0
call fcn.00486660
mov esi, dword [eax]
add esp, 8
mov edi, 0x54cd30
call fcn.00495a60
mov eax, dword [ebp - 0x14]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x480b6c
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov ecx, dword [0x54d588]
push ecx
push ecx
mov dword [ebp - 0x18], esp
mov ebx, esp
push ecx
mov esi, esp
mov dword [ebp - 0x18], esp
mov dword [ebp - 0x18], esi
call fcn.004c31da
xor ecx, ecx
test eax, eax
setne cl
test ecx, ecx
jne 0x480b9c
push 0x80004005
call fcn.00422000
mov edx, dword [eax]
mov ecx, eax
mov eax, dword [edx + 0xc]
call eax
add eax, 0x10
mov dword [esi], eax
mov ecx, str.SandboxCfg.db
mov byte [ebp - 4], 3
test ecx, 0xffff0000
jne 0x480bd5
mov edx, ecx
movzx edi, dx
push edi
call fcn.004cb124
test eax, eax
je 0x480bef
push edi
push eax
mov ecx, esi
call fcn.00424e92
jmp 0x480bef
push str.SandboxCfg.db
call fcn.004d1e6a
add esp, 4
push eax
push str.SandboxCfg.db
mov ecx, esi
call fcn.00425415
push ebx
xor ecx, ecx
mov byte [ebp - 4], 0
call fcn.00486660
add esp, 8
mov ecx, 0x54ccf0
call fcn.00480710
mov eax, dword [0x54cd00]
add esp, 8
push 0xffffffffffffffff
xor esi, esi
push eax
mov dword [ebp - 0x14], esi
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov edx, dword [ebp - 0x18]
mov eax, dword [0x54ccf8]
push esi
push esi
lea ecx, [ebp - 0x14]
push ecx
push str.FILES_RemovableDrives_
push esi
push esi
push edx
push esi
push eax
push str.FILES_RemovableDrives_
push 0x54ccf0
mov dword [ebp - 0x14], esi
call fcn.00495bf0
mov ecx, dword [0x54cd00]
mov edi, eax
xor eax, eax
add esp, 0x2c
cmp dword [ebp - 0x14], eax
push ecx
setne al
mov esi, eax
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
test esi, esi
je 0x480c76
mov dword [0x54d1d0], 1
test edi, edi
jne 0x480c80
mov dword [0x54d1d0], 0
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp - 0x10]
add eax, 0xfffffff0
lea edx, [eax + 0xc]
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jg 0x480ca6
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret