Function at 0x100088e0
Capabilities:
Check mutex on windows
Delete file
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xa8
push ebx
push esi
push edi
mov dword [ebp - 0xa8], ecx
push eax
xor eax, eax
xor eax, eax
xor eax, eax
xor eax, eax
xor eax, eax
xor eax, eax
je 0x10008908
nop
nop
nop
nop
xor byte [ecx], dh
xor bl, byte [eax - 0x75]
inc ebp
or byte [eax + 0x68], dl
inc ebp
pop ds
add byte [eax], al
pop eax
mov eax, dword [ebp + 8]
push eax
push 0x1f45
mov ecx, dword [ebp - 0xa8]
add ecx, 4
call fcn.10004c10
test eax, eax
jne 0x1000892b
xor eax, eax
jmp 0x10008b68
mov byte [ebp - 0x84], 0
mov ecx, 0x1f
xor eax, eax
lea edi, [ebp - 0x83]
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
push 0x10015278
push str.Global_s_ost_EVENT
lea ecx, [ebp - 0x84]
push ecx
call dword [sym.imp.USER32.dll_wsprintfA]
add esp, 0xc
lea edx, [ebp - 0x84]
push edx
push 0
push 0x1f0003
call dword [sym.imp.KERNEL32.dll_OpenEventA]
mov dword [ebp - 0x88], eax
cmp dword [ebp - 0x88], 0
jne 0x10008988
xor eax, eax
jmp 0x10008b68
push 0x10015278
push str.Global_s_ost_Descr
lea eax, [ebp - 0x84]
push eax
call dword [sym.imp.USER32.dll_wsprintfA]
add esp, 0xc
lea ecx, [ebp - 0x84]
push ecx
push 0
push 0x100000
call dword [sym.imp.KERNEL32.dll_OpenMutexA]
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
jne 0x100089c6
xor eax, eax
jmp 0x10008b68
push 0xffffffffffffffff
mov edx, dword [ebp - 0x88]
push edx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
test eax, eax
jne 0x10008b4c
mov eax, dword [ebp - 0x88]
push eax
call dword [sym.imp.KERNEL32.dll_ResetEvent]
mov dword [ebp - 0x90], 0
mov dword [ebp - 0x8c], 0
push 0xffffffffffffffff
mov ecx, dword [ebp - 4]
push ecx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
test eax, eax
jne 0x10008ac3
push 0
push 0x80
push 3
push 0
push 1
push bind
push 0x10015406
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov dword [ebp - 0x94], eax
cmp dword [ebp - 0x94], 0xffffffff
je 0x10008ab9
push 0
mov edx, dword [ebp - 0x94]
push edx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x98], eax
cmp dword [ebp - 0x98], 0
jbe 0x10008aa1
mov eax, dword [ebp - 0x98]
push eax
call sub.MSVCRT.dll_void____cdecl_operator_new_unsigned_int_
add esp, 4
mov dword [ebp - 0x9c], eax
mov ecx, dword [ebp - 0x9c]
mov dword [ebp - 0x90], ecx
push 0
lea edx, [ebp - 0x8c]
push edx
mov eax, dword [ebp - 0x98]
push eax
mov ecx, dword [ebp - 0x90]
push ecx
mov edx, dword [ebp - 0x94]
push edx
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov eax, dword [ebp - 0x94]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push 0x10015406
call dword [sym.imp.KERNEL32.dll_DeleteFileA]
mov ecx, dword [ebp - 4]
push ecx
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
cmp dword [ebp - 0x8c], 0
jbe 0x10008b47
cmp dword [ebp - 0x90], 0
je 0x10008b47
push 0
push 0
push 0
mov ecx, dword [ebp - 0xa8]
add ecx, 4
call fcn.10005080
test eax, eax
je 0x10008b0f
push 0
mov edx, dword [ebp - 0x8c]
push edx
mov eax, dword [ebp - 0x90]
push eax
mov ecx, dword [ebp - 0xa8]
add ecx, 4
call fcn.10005240
test eax, eax
jne 0x10008b2c
mov ecx, dword [ebp - 0x90]
mov dword [ebp - 0xa0], ecx
mov edx, dword [ebp - 0xa0]
push edx
call sub.MSVCRT.dll_void___cdecl_operator_delete_void__
add esp, 4
jmp 0x10008b4c
mov eax, dword [ebp - 0x90]
mov dword [ebp - 0xa4], eax
mov ecx, dword [ebp - 0xa4]
push ecx
call sub.MSVCRT.dll_void___cdecl_operator_delete_void__
add esp, 4
jmp 0x100089c6
mov edx, dword [ebp - 4]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [ebp - 0x88]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4