Portable ClamWin

It features a command line interface for scanning files, updating the virus definitions, and a daemon for faster scanning needed on high performance systems. ClamWin Free Antivirus For Windows is a completely free and open source anti-virus software package. It uses the GNU General Public License by the Free Software Foundation. PC MAV (PC Media Anti virus) is one of the best Indonesian Free Anti virus very effective for local virus, provide monthly with PC Media Magazine (Indonesia) The Unique Combination feature PC MAV + Clamav will give you more protection without destructing any file, more than just detecting virus this combination will remove virus to the main root and give the best protection result with no cost

http://rapidshare.com/files/187715285/ClamWin_Portable_0.94.1.rar