Best system and usb antivirus free download

Smadav Rev. :
+ Efficiency (reduction and addition) of the virus database to a total of , viruses to reduce installation size,
+ Smadav installation size reduced from 18 MB to under 6 MB,
+ New AI (Artificial Intelligence) technology update to detect most new viruses and reduce false/incorrect detection,
+ Fixed not-responding/slow on Smadav Free Startup.

Smadav Rev. (released only for the Pro version) :
+ Efficiency (reduction and addition) of the virus database to a total of viruses to reduce installation size,
+ Fixed errors/bugs in the auto-update and protection feature.

Smadav Rev. :
+ New detection database of new viruses,
+ New Smadav AI update to reduce false detection
+ Improvements to the auto-update feature,
+ Reduction of virus databases for efficiency.

Smadav Rev. :
+ New detection database of (K) new viruses,
+ New Smadav AI update to increase detection of unknown suspicious programs
+ Auto-sample submission feature when protection is active to improve Smadav-AI in the future versions,
+ Fixing false detection and program bugs.

Smadav Rev. :
+ New detection database of new viruses,
+ Smadav AI (Machine Learning) is updated and can be used to detect viruses in USB Flash drive
+ Improvements to the auto-update feature,
+ Improvements to the main application, launch faster when opened.

Smadav Rev. :
+ New detection database of new viruses,
+ Smadav AI (Machine Learning) is updated and can be used as scanner in expert mode
+ New auto-update method to reduce incompatibility with another Antivirus,
+ Fixing false detection and program bugs.

Smadav Rev. :
+ New detection database of new viruses,
+ Change in terms and agreements for purchasing Smadav Pro,
+ Fixing false detection and Fixing app form.

Smadav Rev. :
+ New detection database of new viruses,
+ Improvement in blacklisting non-original Smadav Pro,
+ Change in Smadav Pro USD pricing from 4 USD/PC to USD/PC for 1-year.

Smadav Rev. :
+ New detection database of new viruses,
+ Improvement in whitelist of clean programs/apps,
+ Update for the new detection method (Machine Learning) to detect most of new unknown viruses,
+ Change in Splash-Screen method and Smadav-Form at PC Startup,
+ Fixing bug/error in app.

Smadav Rev. :
+ New detection database of new viruses,
+ New detection method (Machine Learning) to detect most of new unknown viruses,
+ New theme for Smadav ,
+ Smadav Splash-Screen in startup is faster,
+ Fixing false detection and bug/error in app.

Smadav Rev. - :
+ New detection database of , (K) new viruses,
+ Improvement in whitelisting feature with new database of , (K) clean programs/apps,
+ New methods to automatically upload some executable of programs to help Smadav Development,
+ Fixing methods for collecting PC program statistics to help Smadav Development,
+ New Smadav Free message interface in every startup,
+ Improvement of method to detect virus that infect system or USB Flash drive,
+ Fixing false detection and bug/error in app.

Smadav Rev. - :
+ New detection database of new viruses and removal of virus-DB,
+ Improvement in detection and cleaning of USB virus and adware,
+ New detection/restriction method to protect from unknown program,
+ New detection method to protect from Ransomware: Rumba/STOP/DJVU/TFUDET,
+ Improved method to restore hidden files in USB Flash drive,
+ Fixing false detection and bug/error in app,
+ CPU usage is smaller than previous versions,
+ Enhancement of terms and agreements for purchasing Smadav Pro,
+ New theme for Smadav

Smadav Rev. - :
+ Improvement in whitelisting feature with new clean apps database,
+ New theme for Smadav ,
+ Changes in terms of purchasing new Smadav Pro license from lifetime to 1-year,
+ Improvement in detection and cleaning of popular virus,
+ New methods for collecting PC program statistics to improve reputation/whitelist features,
+ Automatic virus upload feature and automatic virus cleaning in USB Flashdisk,
+ Bug fix and improvement of auto-update feature,
+ New Feature : Restart PC for better virus cleaning,
+ New interface : Smadav Free will show messages in every startup.

Smadav Rev. - :
+ Main detection technology now using heuristic & whitelisting (file reputation),
+ Sending usage of statistics to help improvement of Smadav,
+ Improvement in detection and cleaning virus that spread via USB Flashdisk,
+ Adding new Anti-Ransomware settings to protect PC from Ransomware (malware that holds your PC hostage),
+ Adding new feature (USB Anti-Exe) to block unknown programs in USB Flashdisk,
+ Faster Scanning and Lower CPU resource usage,
+ Fixing program bugs and false detection,
+ Changes in feature differences between Free and Pro version.

Smadav Rev. 10 :
+Improvement in protection from Ransomware that encrypt files (Cerber, Locky, Teslacrypt, etc.),
+Adding new Scan feature to clean unknown virus,
+Adding new feature to automatically unhide files in USB Flashdisk,
+Improvement for USB and Web Protection,
+Support for Windows 10 (Smadav can be used in Windows XP/Vista/7/8/10),
+and many other enhancements.

Almost all other antivirus cannot be installed with another antivirus, it's because the antivirus designed for main protection in your PC. It's not the case for Smadav, Smadav is an antivirus that is designed as additional (second layer) protection, so it's mostly compatible and could be installed and run together with another antivirus in your PC. Smadav using their own technique (behavior, heuristic, and whitelisting) to detect and clean virus that improves security in your PC.

USB Flashdisk is one of the most used media for virus spread. Smadav use its own technology to avoid virus spread and infection from USB Flashdisk. Smadav can detect many new unknown virus in USB even if the virus is not in the database. Not only for protection, Smadav can also help you to clean USB Flashdisk from virus and restore hidden/infected file in the USB Flashdisk.

Smadav has advantage with its very small installer size (under 10 MB) and low usage of internet while active in your PC. And also smadav only using small fraction of your PC resources. Smadav most of the time only use small memory and small CPU usage. With this small resource usage, Smadav will not heavily slow your computer. And you can still install another antivirus that will together work with Smadav to protect your PC.

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.

Smadav Pro will not show offer to upgrade to pro version on every startup. All difference between Smadav Free and Pro Features : Hide offer message on startup, Tools Section in App, Additional (RTP) Settings in App, Exception List, Changing theme colors, Admin Password, and license to use in Profit/Commercial.
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