User manual AVG AVG 8.5 ANTI-VIRUS PLUS FIREWALL

[. . . ] AVG 8. 5 Anti-Virus plus Firewall User Manual Document revision 85. 3 (6. 3. 2009) Copyright AVG Technologies CZ, s. r. o. MD5 Message-Digest Algorithm, Copyright (C) 1991-2, RSA Data Security, Inc. This product uses code from C-SaCzech library, Copyright (c) 1996-2001 Jaromir Dolecek (dolecek@ics. muni. cz). This product uses compression library zlib, Copyright (c) 1995-2002 Jean-loup Gailly and Mark Adler. AVG 8. 5 Anti-Virus plus Firewall © 2008 Copyright AVG Technologies CZ, s. r. o. [. . . ] The editing interface allows you to configure the following elementary options: o Web protection - this option confirms that the Web Shield should perform scanning of the www pages content. Provided this option is on ( by default), you can further switch on/off these items: Check archives - scan the content of archives possibly included in the www page to be displayed Scan Potentially Unwanted Programs - scan potentially unwanted AVG 8. 5 Anti-Virus plus Firewall © 2008 Copyright AVG Technologies CZ, s. r. o. All rights reserved. 65 programs (executable programs that can operate as spyware or adware) included in the www page to be displayed Use heuristic analysis - scan the content of the page to be displayed using the heuristic analysis method (dynamic emulation of the scanned object's instructions in a virtual computer environment see chapter Anti-Virus Principles) Maximum file size to be scanned - if included files are present in the displayed page you can also scan their content even before these are downloaded to your computer. However, scanning of large files takes quite some time and the web page download might be slowed significantly. You can use the slide bar to specify the maximum size of a file that is still to be scanned with Web Shield. Even if the downloaded file is bigger than specified, and therefore will not be scanned with Web Shield, you are still protected: in case the file is infected, the Resident Shield will detect it immediately. Instant Messaging - allows you to edit the components settings referring to instant messaging (e. g. ICQ, MSN Messenger, Yahoo . . . ) scanning. o Instant Messaging protection - check this item if you wish that the Web Shield verifies the on-line communication is virus free. Provided this option is on, you can further specify which instant messaging application AVG 8. 5 Anti-Virus plus Firewall © 2008 Copyright AVG Technologies CZ, s. r. o. All rights reserved. 66 you want to control - currently AVG 8. 5 Anti-Virus plus Firewall supports the ICQ, MSN, and Yahoo applications. Please note: The software vendor has set up all AVG components to give optimum performance. Unless you have a real reason to do so, do not change the AVG configuration. Any changes to settings should only be performed by an experienced user. If you need to change AVG configuration, select the system menu item Tools / Advanced settings and edit the AVG configuration in the newly opened AVG Advanced Settings dialog. Control buttons The control buttons available within the Web Shield interface are as follows: Save changes - press this button to save and apply any changes made in this dialog Cancel - press this button to return to the default AVG user interface ( components overview) 10. 8. 3. Web Shield Detection Web Shield scans the content of visited web pages and possible files included in them even before these are displayed in your web browser or downloaded to your computer. If a threat is detected, you will be warned immediately with the following dialog: The suspect web page will not be opened, and the threat detection will be logged in the list of Web Shield findings (accessible via system menu History / Web Shield findings). AVG 8. 5 Anti-Virus plus Firewall © 2008 Copyright AVG Technologies CZ, s. r. o. Resident Shield Principles The Resident Shield scans files as they are copied, opened or saved. When the Resident Shield discovers a virus in a file that is accessed, it stops the operation currently being performed and does not allow the virus to activate itself. The Resident Shield, loaded in the memory of your computer during system startup, also provides vital protection for the system areas of your computer. 10. 9. 2. esident Shield Interface R Besides an overview of the most important statistical data and the information on the component's current status (Resident Shield is active and fully functional), the Resident Shield interface offers some elementary component settings options, too. The statistics is as follows: Resident Shield has been active for - provides the time since the latest component's launch Threats detected and blocked - number of detected infections that were prevented from being run/opened (if needed, this value can be reset; e. g. for statistic purposes - Reset value) AVG 8. 5 Anti-Virus plus Firewall © 2008 Copyright AVG Technologies CZ, s. r. o. [. . . ] Delete - removes the infected file from the Virus Vault completely Send to analysis - sends the suspected file for deep analysis to the AVG virus labs Empty Vault - removes all Virus Vault content completely AVG 8. 5 Anti-Virus plus Firewall © 2008 Copyright AVG Technologies CZ, s. r. o. AVG Updates 14. 1. Update Levels AVG offers two update levels to select from: Definitions update contains changes necessary for reliable anti-virus, anti-spam and anti-malware protection. Typically, it does not include any changes to the code and updates only the definition database. Program update contains various program changes, fixes and improvements. [. . . ]