Kingsoft Online Antivirus scans and removes viruses, spyware, Trojans, and malware online without any installation. Using cloud technology, KOA protects your pc without slowing down your operations, and is highly compatible with other security software. This means that you can play games, scan for viruses and other threats, and repair your pc without slowing down your computer. It’s an extra layer of internet security.

Kingsoft Free Cloud Antivirus Highlights
Kingsoft Online Antivirus includes a three scan model: Full Scan, Quick Scan, and Custom Scan.
Opens from your browser, it will scan and automatically clean the system memory, all files and drives` boot sectors.
Takes very little resources, no downloading, and repairs system files damaged by viruses, to give you an easy, pleasant experience.
Accessible from your browser, it scans and automatically cleans the system memory, all files and drives` boot sectors.
One major advantage of KOA is that you can use it addition to your current data security product.

Kingsoft Online Antivirus is capable of on-demand scanning for identifying and removing viruses, Trojans, worms, unwanted browser plug-in, and other malware. Uses multiple guards to detect all types of viruses and threats. Double-checks the security status of your PC even if you already have an Antivirus program installed.

You can use it to remove malware from any PC utilizing only your web browser without having to install anti-virus software.
Detect all types of Keyloggers and Rootkits.
Always up-to-date. The virus signatures are updated automatically each time the product is launched.
Online scan is smart, efficient, easy to use, and ensures the safety of your information.

AV-Comparative awarded Kingsoft Antivirus the coveted "The Best Scanning Speed" and "The Best Overall Performance" awards. AV-Comparative has been awarded the "VB 100 certificate" nine times over.