Function at 0x495180
Capabilities:
Check if file exists
Download and write a file
Read data from internet
Receive and write data from server to client
Receive data
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x61b850
mov eax, dword fs:[0]
push eax
sub esp, 0x78
mov eax, dword [0x6b1a94]
xor eax, ebp
mov dword [ebp - 0x14], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, edx
mov dword [ebp - 0x58], esi
mov eax, ecx
mov dword [ebp - 0x6c], eax
mov ebx, dword [ebp + 8]
mov ecx, dword [ebp + 0x10]
mov dword [ebp - 0x64], ebx
mov dword [ebp - 0x68], ecx
test eax, eax
je 0x495430
test esi, esi
je 0x495430
test ebx, ebx
je 0x495430
push 0x6c1464
push 0x100
call fcn.005c93dc
xor edi, edi
mov dword [ebp - 0x80], vtable.CxAutoArray_unsigned_char_.0
add esp, 8
mov dword [ebp - 0x7c], edi
test eax, eax
je 0x495207
mov edi, eax
mov dword [ebp - 0x78], 0
mov dword [ebp - 0x7c], edi
lea eax, [ebp - 0x38]
mov dword [ebp - 4], 0
push eax
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesExW]
test eax, eax
je 0x49522d
mov eax, dword [ebp - 0x18]
mov dword [ebp - 0x44], eax
mov eax, dword [ebp - 0x1c]
mov dword [ebp - 0x48], eax
jmp 0x495241
xorps xmm0, xmm0
movlpd qword [ebp - 0x54], xmm0
mov eax, dword [ebp - 0x50]
mov dword [ebp - 0x48], eax
mov eax, dword [ebp - 0x54]
mov dword [ebp - 0x44], eax
push ebx
lea ecx, [ebp - 0x3c]
call fcn.00407490
lea edx, [ebp - 0x3c]
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x4c]
call fcn.0047e1b0
mov byte [ebp - 4], 3
or eax, 0xffffffff
mov edx, dword [ebp - 0x3c]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x495278
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
push dword [ebp - 0x4c]
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x49528d
lea ecx, [ebp - 0x4c]
call fcn.0047de80
mov dword [ebp - 0x54], 0
mov dword [ebp - 0x50], 0
sub esp, 0xc
mov byte [ebp - 4], 4
lea ecx, [ebp - 0x54]
push 4
push 2
push 0x40000000
push ebx
call fcn.004170b0
mov ebx, dword [ebp - 0x54]
test eax, eax
js 0x4953f1
cmp ebx, 0xffffffff
je 0x4953f1
push 2
lea eax, [ebp - 0x70]
xorps xmm0, xmm0
push eax
push 0
push ebx
movlpd qword [ebp - 0x74], xmm0
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
jne 0x4952e9
call fcn.00417090
push 5
lea eax, [ebp - 0x3c]
mov ecx, esi
push eax
call fcn.0048c8a0
mov esi, dword [ebp - 0x3c]
push 0xa
push 0
push esi
call fcn.005f5b82
add esp, 0xc
mov dword [ebp - 0x60], eax
mov dword [ebp - 0x5c], edx
add esi, 0xfffffff0
or ecx, 0xffffffff
lock xadd dword [esi + 0xc], ecx
dec ecx
test ecx, ecx
jg 0x495324
mov ecx, dword [esi]
push esi
mov eax, dword [ecx]
call dword [eax + 4]
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov esi, dword [ebp - 0x58]
lea ecx, [ebp - 0x40]
push ecx
push 0x100
push edi
mov eax, dword [esi + 0x10]
mov dword [ebp - 0x40], 0
mov dword [ebp - 0x3c], 0
mov dword [ebp - 0x70], 0
push dword [eax]
call dword [sym.imp.WININET.dll_InternetReadFile]
test eax, eax
je 0x4953f1
nop
mov eax, dword [ebp - 0x40]
test eax, eax
je 0x495429
push 0
lea ecx, [ebp - 0x3c]
push ecx
push eax
push edi
push ebx
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
jne 0x495387
call fcn.00417090
test eax, eax
js 0x4953f1
mov eax, dword [ebp - 0x40]
cmp dword [ebp - 0x3c], eax
jne 0x4953f1
mov ecx, dword [ebp - 0x44]
mov edx, dword [ebp - 0x48]
add ecx, eax
push eax
adc edx, 0
mov dword [ebp - 0x44], ecx
push edx
push ecx
push dword [ebp - 0x5c]
mov dword [ebp - 0x48], edx
push dword [ebp - 0x60]
push dword [ebp - 0x64]
push dword [ebp - 0x68]
push esi
push dword [ebp - 0x6c]
call fcn.0048e9a0
add esp, 0x24
test eax, eax
je 0x4953f1
mov eax, dword [esi + 0x10]
lea ecx, [ebp - 0x40]
push ecx
push 0x100
push edi
mov dword [ebp - 0x40], 0
mov dword [ebp - 0x3c], 0
mov dword [ebp - 0x70], 0
push dword [eax]
call dword [sym.imp.WININET.dll_InternetReadFile]
test eax, eax
jne 0x495360
xor esi, esi
test ebx, ebx
je 0x4953fe
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov byte [ebp - 4], 0
or ecx, 0xffffffff
mov eax, dword [ebp - 0x4c]
add eax, 0xfffffff0
lock xadd dword [eax + 0xc], ecx
dec ecx
test ecx, ecx
jg 0x49541d
mov ecx, dword [eax]
push eax
mov edx, dword [ecx]
call dword [edx + 4]
lea ecx, [ebp - 0x80]
call fcn.004146c0
mov eax, esi
jmp 0x495432
mov esi, 1
jmp 0x4953f3
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.005c8db3
mov esp, ebp
pop ebp
ret