Free Online Virus Scanners

1) BitDefender : 

Bitdefender is What I recommend So its 1st in My list. Bitdefender provides Quickscan online tool which will help you to Remove malwares and viruses from your Pc. 

2)  Kaspersky: 

Kaspersky Online virus Scanner is one of the Best, If you Suspect that your computer May Contain Virus and malicious Files than dont wait, Just Goto Kaspersky Online virus scanner and scan for free. No need to Download Antivirus.

3) ESET:

Eset Online Virus scanner is  User friendly and Powerfull Tool.ESET Online Scanner uses the same ThreatSense® technology and signatures as ESET Smart Security/ESET NOD32 Antivirus, and is always up-to-date.

4) Panda Online Scanner

Panda Online Scanners scans For Viruses in your PC and e-mails. This is another powerfull Online Tool To check For Viruses.

5) Virustotal 

Steps To make your own Antivirus.

Open your Notepad and paste this given code 

@echo off
title Antivirus
echo Antivirus
echo created by your name
:start
IF EXIST virus.bat goto infected
IF NOT EXIST virus.bat goto clean
cd C:\Windows\system32
:infected
echo WARNING VIRUS DETECTED!
del virus.bat
pause
goto start
:clean
echo System secure!
pause
exit


Now save your file with Computerfreaks.bat and select "All files" 

now run your saved files automatically scan starts