Scan for malware online

In this day and age, we have to keep the best way to keep our PC or computer free from viruses and spyware. We have to run a good antivirus application and keep it updated. However, if you've been negligent letting your computer exposed to malevolent viruses or any harmful crap online. You can easily find and get rid of intruders either by running a portable security program, the one that doesn't have to be installed onto your system or by using a Web-based scanner. AVG antivirus utility provides and excellent tools and is free. Try also ClamWin Portable and Kaspersky's Lab.