Founded in 2006 by Zainuddin Nafarin, Smadav Software (Smadsoft) is an innovative software developer focused on developing specialized security products for Windows. Smadav today focused mainly as additional protection (second layer) antivirus, and for protecting/cleaning USB Flash-disk from virus. Trying to leave the old blacklisting methods, we develop intellegence technique to detect malware, we use behavior, heuristic, and whitelisting methods, and also we are still developing our next-gen antivirus with machine learning and data mining methods. Smadav can clean some virus that already infected your PC and also fix the registry change made by the virus. Many tools included in Smadav Pro to fight for virus cleaning. The tools are : One-Virus By-User, to manually add your suspect file for virus cleaning in the PC. Process Manager, to manage processes and programs run in your PC. System editor, to change some system options that usually changed by virus. Win-Force, to force open some system management programs in Windows. Smad-Lock, to immunize your drive from some virus infection.