Function at 0x4237b8
Capabilities:
Check if file exists
Get disk size

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x4c
push ebx
push esi
mov esi, dword [ebp + 0xc]
push edi
xor ebx, ebx
xor eax, eax
cmp esi, ebx
mov dword [ebp - 0x34], ebx
lea edi, [ebp - 0x2c]
stosd dword es:[edi], eax
stosd dword es:[edi], eax
jne 0x42381d
push 0xc0000000
push dword [ebp + 8]
call dword [0x51d27c]
mov edi, eax
cmp edi, 0xffffffff
jne 0x42392d
push SysReAllocStringLen
push dword [ebp + 8]
call dword [0x51d27c]
mov edi, eax
cmp edi, 0xffffffff
jne 0x42392d
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 2
jne 0x42391a
xor eax, eax
inc eax
jmp 0x4239f3
mov edi, dword [sym.imp.KERNEL32.dll_lstrlenW]
push esi
call edi
cmp eax, 2
jne 0x423837
xor eax, eax
cmp word [esi + 2], 0x3a
sete al
jmp 0x423858
push esi
call edi
cmp eax, 3
jne 0x423856
lea eax, [esi + 2]
push 0x4f5560
push eax
call fcn.004b3ec2
neg eax
pop ecx
sbb eax, eax
pop ecx
inc eax
jmp 0x423858
xor eax, eax
cmp eax, ebx
je 0x4238b5
mov eax, dword [ebp + 0xc]
mov ax, word [eax]
mov esi, str.._:
lea edi, [ebp - 0x24]
movsd dword es:[edi], dword [esi]
movsd dword es:[edi], dword [esi]
push ebx
push 0x20000000
movsd dword es:[edi], dword [esi]
push 3
push ebx
movsw word es:[edi], word [esi]
mov esi, dword [sym.imp.KERNEL32.dll_CreateFileW]
push 3
mov word [ebp - 0x1c], ax
push 0xc0000000
lea eax, [ebp - 0x24]
push eax
call esi
mov edi, eax
cmp edi, 0xffffffff
jne 0x42392d
push ebx
push 0x20000000
push 3
push ebx
push 3
push SysReAllocStringLen
lea eax, [ebp - 0x24]
push eax
call esi
jmp 0x4237fb
push 0xc0000000
push esi
call dword [0x51d280]
mov edi, eax
cmp edi, 0xffffffff
jne 0x42392d
push SysReAllocStringLen
push esi
call dword [0x51d280]
mov edi, eax
cmp edi, 0xffffffff
jne 0x42392d
call dword [sym.imp.KERNEL32.dll_GetLastError]
dec eax
je 0x423916
sub eax, 0x56
je 0x423916
sub eax, 0x3a
je 0x423903
sub eax, 0x7a
je 0x423903
sub eax, 0x101b
je 0x423903
push esi
call fcn.00422a7a
pop ecx
jmp 0x423916
push esi
push str.Not_a_mount_point:__1_ws__n
push 0x51abb0
call fcn.00422a1e
add esp, 0xc
push 9
jmp 0x423927
push str.Error_opening_device:
call fcn.00422a7a
pop ecx
push 2
pop eax
jmp 0x4239f3
mov eax, dword [ebp + 0x10]
mov esi, dword [sym.imp.KERNEL32.dll_DeviceIoControl]
mov dword [ebp - 0x2c], eax
mov eax, dword [ebp + 0x14]
push ebx
mov dword [ebp - 0x28], eax
lea eax, [ebp - 4]
push eax
push ebx
push ebx
push 0x10
lea eax, [ebp - 0x34]
push eax
push 0x7c0d0
push edi
mov dword [ebp - 0x34], 1
call esi
test eax, eax
jne 0x42396d
push dword [ebp + 0xc]
call fcn.00422a7a
pop ecx
push 3
pop ebx
jmp 0x4239ea
push ebx
lea eax, [ebp - 4]
push eax
push 8
lea eax, [ebp - 0xc]
push eax
push ebx
push ebx
push 0x7405c
push edi
call esi
test eax, eax
je 0x42399f
push ebx
lea eax, [ebp - 4]
push eax
push 0x18
lea eax, [ebp - 0x4c]
push eax
push ebx
push ebx
push 0x70000
push edi
call esi
test eax, eax
jne 0x4239c0
push dword [ebp + 0xc]
call fcn.00422a7a
push dword [ebp + 0xc]
push str._1_ws_:_Is_that_drive_really_an_ImDisk_drive_
push 0x51abb0
call fcn.00422a1e
add esp, 0x10
push 2
jmp 0x42396a
push ebx
push dword [ebp - 0x38]
push dword [ebp - 8]
push dword [ebp - 0xc]
call fcn.004b48c0
push ebx
mov dword [ebp - 0x14], eax
lea eax, [ebp - 4]
push eax
push ebx
push ebx
push 8
lea eax, [ebp - 0x14]
push eax
push 0x900f0
push edi
mov dword [ebp - 0x10], edx
call esi
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret