you can download Norton Security Scan
Key Features of Norton Security Scan
* Scans for threats residing on your PC
* Detects and removes viruses, worms, and Trojan horses
* Warns you of spyware and unwanted adware
* Schedules regular scans
* Automatically receives updates
Requirements:
· 1.4 GHz and above
· 1 GB of physical RAM
· 256 MB of virtual RAM on Windows preinstallation operating system
· HTA Package installed
http://download.softpedia.com/dl/3c06e1992c2ef3b555f6063430e2b2cf/4b9d2278/100116685/software/antivirus/NortonSecurityScan.exe