%A NIM. 10650036 ACHYAR ROMADHON PUTRA %O Dr. Bambang Sugiantoro, S.Si., M.T %T ANALISIS PERBANDINGAN PERFORMA PERANGKAT LUNAK ANTIVIRUS FREEWARE %X This research was aimed to observe the performance in the freeware antivirus software. The Freeware Antivirus that was studied were Avast Free Antivirus, AVG Free Antivirus, Avira Free Antivirus, and Ad -Aware Free Antivirus. Those Freeware Antivirus needed the other tools such as Xperf, Xbootmgr, Rebooter, RAMMap, and Teracopy. The comparative analysis of antivirus was selected based on six parameters: boot, restart, the memory when idle, the memory during a full scan, full scan, and copy and paste the file. The Statistical experiment used ANOVA to indicate whether there were the differences of four antiviruses or not. The result from this research was each antivirus had advantages and disadvantages in each parameter. However if they were calculated overall from the seven parameters, Avast was the best antivirus performance, then Avira , after that AVG , and the last was Ad –Aware. %K Analysis , Antivirus , Freeware , Performance, Virus %D 2016 %I UIN SUNAN KALIJAGA YOGYAKARTA %L digilib23146