BitDefender Virus Definitions August 28, 2009 - 46MB
Works with BitDefender Professional Plus, BitDefender Antispyware, BitDefender Standard, BitDefender Internet Security
Because new threats appear every day, BitDefender antivirus must be updated periodically. The updates can be of these types:
· Virus signatures: databases of virus prints to be compared with the scanned files. Shown as Virus Definitions Update. These updates require restarting BitDefender. The restart occurs automatically.
· Spam signatures: rules for the heuristic and URL filters increasing the effectiveness of the antispam engine. Shown as AntiSpam Update.
· Product upgrades: new product features, scan techniques and hotfixes. Shown as Product Update. Occasionally, installing these updates requires restarting the computer.

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