User manual KASPERSKY LAB ANTI-VIRUS 7.0

[. . . ] KASPERSKY LAB Kaspersky Anti-Virus 7. 0 USER GUIDE KASPERSKY ANTI-VIRUS 7. 0 User Guide Kaspersky Lab http://www. kaspersky. com Revision date: December, 2007 Contents CHAPTER 1. THREATS TO COMPUTER SECURITY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Sources of Threats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . How threats spread . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Recommended ­ settings of this level are recommended by Kaspersky Lab experts. This level scans the same objects as at Maximum Protection, Web Anti-Virus 101 but limits the caching time for file fragments, thus accelerating the scan and returning objects to the user sooner. High Speed ­ the security level with settings that let you comfortably use resource-intensive applications, since the scope of objects scanned is reduced by using a limited set of application databases. It is recommended to select this protection level if you have additional web protection software installed on your computer. Figure 31. Selecting a web security level By default, the protection level is set to Recommended. You can raise or lower the security level by selecting the level you want or editing the settings for the current level. By altering the security level, you define the ratio of scan speed to the total number of objects scanned: the fewer objects are scanned for malicious code, the higher the scan speed. If none of the preinstalled levels fully meet your requirements, their settings may be customized. It is recommended that you select a level closest to your requirements as basis and edit its parameters. Let us look at an example when preconfigured security level settings may need to be modified. It is not on a corporate LAN, and you have no anti-virus protection for incoming HTTP traffic. Due to the nature of your work, you regularly download large files from the Internet. How do you optimally protect your computer from infection through HTTP traffic or a script?Tip for selecting a level: Judging from this basic information, we can conclude that your computer is running in a sensitive environment, and you are at high risk for infection 102 Kaspersky Anti-Virus 7. 0 through HTTP traffic, because there is no centralized web protection and due to the use of dial-up to connect to the Internet. It is recommended that you use Maximum Protection as your starting point, with the following changes: you are advised to limit the caching time for file fragments during the scan. Open the application settings window and select Web Anti-Virus under Protection. Edit browsing protection parameters in the resulting window and click OK. 9. 2. Configuring Web Anti-Virus Web Anti-Virus scans all objects that are loaded on your computer via the HTTP protocol, and monitors any WSH scripts (JavaScript or Visual Basic Scripts, etc. ) that are run. You can configure Web Anti-Virus settings to increase component operation speed, specifically: Configuring general scan settings (see 9. 2. 1 on pg. 104) It is also possible to select the actions that Web Anti-Virus will take in response to discovering dangerous HTTP objects. General scan settings To increase its success in detecting malicious code, Web Anti-Virus caches fragments of objects downloaded from the Internet. When using this method, Web Anti-Virus only scans an object after it has downloaded it completely. [. . . ] It shall be at the absolute discretion of Kaspersky Lab whether or not you have satisfied this condition for the provision of Support Services. Kaspersky Lab's technical support service is also entitled to demand from the End User additional registration for identifier awarding for Support Services rendering. Until Software activation and/or obtaining of the End User identifier (Customer ID) technical support service renders only assistance in Software activation and registration of the End User. (ii) By completion of the Support Services Subscription Form you consent to the terms of the Kaspersky Lab Privacy Policy, which is deposited on www. kaspersky. com/privacy, and you explicitly consent to the transfer of data to other countries outside your own as set out in the Privacy Policy. [. . . ]