Function at 0x422394
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 0x4223f9
push 0xc0000000
push dword [ebp + 8]
call dword [0x51912c]
mov edi, eax
cmp edi, 0xffffffff
jne 0x422509
push SysReAllocStringLen
push dword [ebp + 8]
call dword [0x51912c]
mov edi, eax
cmp edi, 0xffffffff
jne 0x422509
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 2
jne 0x4224f6
xor eax, eax
inc eax
jmp 0x4225cf
mov edi, dword [sym.imp.KERNEL32.dll_lstrlenW]
push esi
call edi
cmp eax, 2
jne 0x422413
xor eax, eax
cmp word [esi + 2], 0x3a
sete al
jmp 0x422434
push esi
call edi
cmp eax, 3
jne 0x422432
lea eax, [esi + 2]
push 0x4f0f70
push eax
call fcn.004af242
neg eax
pop ecx
sbb eax, eax
pop ecx
inc eax
jmp 0x422434
xor eax, eax
cmp eax, ebx
je 0x422491
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 0x422509
push ebx
push 0x20000000
push 3
push ebx
push 3
push SysReAllocStringLen
lea eax, [ebp - 0x24]
push eax
call esi
jmp 0x4223d7
push 0xc0000000
push esi
call dword [0x519130]
mov edi, eax
cmp edi, 0xffffffff
jne 0x422509
push SysReAllocStringLen
push esi
call dword [0x519130]
mov edi, eax
cmp edi, 0xffffffff
jne 0x422509
call dword [sym.imp.KERNEL32.dll_GetLastError]
dec eax
je 0x4224f2
sub eax, 0x56
je 0x4224f2
sub eax, 0x3a
je 0x4224df
sub eax, 0x7a
je 0x4224df
sub eax, 0x101b
je 0x4224df
push esi
call fcn.00420ed4
pop ecx
jmp 0x4224f2
push esi
push str.Not_a_mount_point:__1_ws__n
push 0x516ba0
call fcn.00420e78
add esp, 0xc
push 9
jmp 0x422503
push str.Error_opening_device:
call fcn.00420ed4
pop ecx
push 2
pop eax
jmp 0x4225cf
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 0x422549
push dword [ebp + 0xc]
call fcn.00420ed4
pop ecx
push 3
pop ebx
jmp 0x4225c6
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 0x42257b
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 0x42259c
push dword [ebp + 0xc]
call fcn.00420ed4
push dword [ebp + 0xc]
push str._1_ws_:_Is_that_drive_really_an_ImDisk_drive_
push 0x516ba0
call fcn.00420e78
add esp, 0x10
push 2
jmp 0x422546
push ebx
push dword [ebp - 0x38]
push dword [ebp - 8]
push dword [ebp - 0xc]
call fcn.004b0800
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