Function at 0x489c90
Capabilities:
Create directory
Delete directory
Delete file
Get common file path
Read file on windows

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffee0
push ebx
push esi
push edi
xor ecx, ecx
mov dword [ebp - 8], ecx
mov dword [ebp - 0xc], ecx
mov dword [ebp - 0x10], ecx
mov dword [ebp - 0x14], ecx
mov dword [ebp - 0x18], ecx
mov esi, edx
mov edi, eax
xor eax, eax
push ebp
push 0x489ede
push dword fs:[eax]
mov dword fs:[eax], esp
mov byte [ebp - 1], 0
lea eax, [ebp - 8]
mov edx, 0x104
call fcn.004053ac
lea eax, [ebp - 8]
call fcn.00405278
push eax
push 0x104
call sub.kernel32.dll_GetTempPathA
mov edx, eax
lea eax, [ebp - 8]
call fcn.004053ac
mov eax, dword [ebp - 8]
call fcn.00405020
test eax, eax
jle 0x489ec3
mov eax, dword [ebp - 8]
call fcn.00405020
mov edx, dword [ebp - 8]
cmp byte [edx + eax - 1], 0x5c
je 0x489d1c
lea eax, [ebp - 8]
mov edx, 0x489ef8
call fcn.00405028
xor ebx, ebx
inc ebx
lea edx, [ebp - 0x120]
mov eax, ebx
call fcn.004037b0
lea edx, [ebp - 0x120]
lea eax, [ebp - 0x10]
call fcn.00404fc4
push dword [ebp - 8]
push 0x489f04
push dword [ebp - 0x10]
lea eax, [ebp - 0xc]
mov edx, 3
call fcn.004050e0
mov eax, dword [ebp - 0xc]
call fcn.00489c68
test al, al
jne 0x489d1e
push 0
mov eax, dword [ebp - 0xc]
call fcn.00405220
push eax
call sub.kernel32.dll_CreateDirectoryA
test eax, eax
je 0x489ec3
xor eax, eax
push ebp
push 0x489ebc
push dword fs:[eax]
mov dword fs:[eax], esp
lea eax, [ebp - 0xc]
mov edx, 0x489ef8
call fcn.00405028
lea eax, [ebp - 0x14]
mov ecx, 0x489f14
mov edx, dword [ebp - 0xc]
call fcn.0040506c
lea eax, [ebp - 0x18]
mov ecx, 0x489f28
mov edx, dword [ebp - 0xc]
call fcn.0040506c
mov eax, dword [ebp - 0x14]
call fcn.00489a3c
test al, al
je 0x489ea0
xor eax, eax
push ebp
push 0x489e99
push dword fs:[eax]
mov dword fs:[eax], esp
mov ecx, esi
mov edx, dword [ebp - 0x18]
mov eax, dword [ebp - 0x14]
call fcn.00489af8
test al, al
je 0x489e6f
push 0
push 0
push 3
push 0
push 3
push 0x80000000
mov eax, dword [ebp - 0x18]
call fcn.00405220
push eax
call sub.kernel32.dll_CreateFileA_1
mov dword [ebp - 0x1c], eax
cmp dword [ebp - 0x1c], 0xffffffff
je 0x489e6f
xor eax, eax
push ebp
push 0x489e68
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, edi
xor ecx, ecx
mov edx, 0x10000
call fcn.00403600
push 0
lea eax, [ebp - 0x20]
push eax
push 0x10000
push edi
mov eax, dword [ebp - 0x1c]
push eax
call sub.kernel32.dll_ReadFile_1
test eax, eax
je 0x489e48
cmp dword [ebp - 0x20], 0x10000
je 0x489e4c
xor eax, eax
jmp 0x489e4e
mov al, 1
mov byte [ebp - 1], al
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x489e6f
mov eax, dword [ebp - 0x1c]
push eax
call sub.kernel32.dll_CloseHandle_1
ret
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x489ea0
mov eax, dword [ebp - 0x18]
call fcn.00405220
push eax
call sub.kernel32.dll_DeleteFileA
mov eax, dword [ebp - 0x14]
call fcn.00405220
push eax
call sub.kernel32.dll_DeleteFileA
ret
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x489ec3
mov eax, dword [ebp - 0xc]
call fcn.00405220
push eax
call sub.kernel32.dll_RemoveDirectoryA
ret
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x489ee5
lea eax, [ebp - 0x18]
mov edx, 5
call fcn.00404d74
ret