Function at 0x4b1840
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5099fb
mov eax, dword fs:[0]
push eax
sub esp, 0x2c4
mov eax, dword [0x541074]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
mov eax, dword [esi]
mov ebx, dword [ebp + 8]
test eax, eax
je 0x4b1882
push eax
call fcn.004e7744
add esp, 4
mov eax, dword [esi + 4]
test eax, eax
je 0x4b1892
push eax
call fcn.004e7744
add esp, 4
lea eax, [ebp - 0x90]
mov dword [esi], 0
push 0xffffffffffffffff
mov dword [esi + 4], 0
lea ecx, [ebp - 0x98]
push dword [0x542094]
mov dword [ebp - 0x94], eax
xor eax, eax
mov dword [ebp - 0x98], vtable.ui::CDuiString.0
mov word [ebp - 0x90], ax
call fcn.00434660
mov dword [ebp - 4], 0
mov eax, dword [0x54211c]
cmp word [eax], 0
jne 0x4b19ba
test ebx, ebx
je 0x4b18f7
push ebx
lea ecx, [ebp - 0x98]
call fcn.00434530
push 0
push 0x80
push 3
push 0
push 1
push SysReAllocString
push dword [ebp - 0x94]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x4b1928
push 0x63
push str.Error_opening_file
jmp 0x4b1a95
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
test edi, edi
jne 0x4b1943
push 0x63
push 0x52a5c0
jmp 0x4b1a95
cmp edi, 0x400000
jbe 0x4b1957
push 0x63
push str.File_too_large
jmp 0x4b1a95
push edi
mov dword [ebp - 0x2d0], 0
call fcn.004c8b41
add esp, 4
mov dword [ebp - 0x2cc], eax
lea ecx, [ebp - 0x2d0]
push 0
push ecx
push edi
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [ebp - 0x2d0], edi
je 0x4b19b3
mov edi, dword [ebp - 0x2cc]
push edi
call fcn.004c8d6c
add esp, 4
mov ecx, esi
call fcn.004b1b30
push 0x63
push str.Could_not_read_file
jmp 0x4b1a95
push ecx
push edi
jmp 0x4b1acd
push eax
lea ecx, [ebp - 0x98]
call fcn.00434530
cmp byte [0x5480b6], 0
je 0x4b19d7
mov edi, dword [0x548130]
jmp 0x4b19eb
mov ecx, dword [ebp - 0x94]
xor edx, edx
push 2
call fcn.00450e90
add esp, 4
mov edi, eax
test edi, edi
jne 0x4b19fb
push 0x63
push str.Error_opening_zip_file
jmp 0x4b1a95
lea eax, [ebp - 0x2c8]
mov edx, ebx
push eax
lea eax, [ebp - 0x2d0]
push eax
push ecx
mov ecx, edi
call fcn.00450f10
add esp, 0xc
test eax, eax
je 0x4b1a23
push 0x63
push str.Could_not_find_ziped_file
jmp 0x4b1a95
mov ebx, dword [ebp - 0x9c]
test ebx, ebx
jne 0x4b1a36
push 0x63
push 0x52a5c0
jmp 0x4b1a95
cmp ebx, 0x400000
jbe 0x4b1a47
push 0x63
push str.File_too_large
jmp 0x4b1a95
push ebx
call fcn.004c8b41
mov edx, dword [ebp - 0x2d0]
mov ecx, edi
push ebx
push eax
mov dword [ebp - 0x2cc], eax
call fcn.00451060
add esp, 0xc
test eax, eax
je 0x4b1abb
cmp eax, 0x600
je 0x4b1abb
push dword [ebp - 0x2cc]
call fcn.004c8d6c
add esp, 4
cmp byte [0x5480b6], 0
jne 0x4b1a8e
mov ecx, edi
call fcn.004510b0
push 0x63
push str.Could_not_unzip_file
lea eax, [esi + 0x10]
push eax
call fcn.004e9f3c
add esp, 0xc
lea eax, [esi + 0xd8]
push 0x31
push 0x51b9cc
push eax
call fcn.004e9f3c
add esp, 0xc
xor bl, bl
jmp 0x4b1ae6
cmp byte [0x5480b6], 0
jne 0x4b1acb
mov ecx, edi
call fcn.004510b0
push ecx
push ebx
mov edi, dword [ebp - 0x2cc]
mov ecx, esi
push edi
call fcn.004b1780
push edi
mov bl, al
call fcn.004c8d6c
add esp, 4
mov eax, dword [ebp - 0x94]
lea ecx, [ebp - 0x90]
mov dword [ebp - 0x98], vtable.ui::CDuiString.0
cmp eax, ecx
je 0x4b1b09
push eax
call fcn.004e7744
add esp, 4
mov al, bl
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.004c8882
mov esp, ebp
pop ebp
ret 8