Kaspersky PURE User Guide - Kaspersky Lab

U S E R G U I D E4. Click the Settings button in the Security level section in the right part of the window.5. In the Web Anti-Virus window that opens, in the Additional block, the Block dangerous scripts in MicrosoftInternet Explorer box should be checked. If this box is unchecked, enable it.CHECKING URLS USING THE DATABASES OF SUSPICIOUS AND PHISHINGADDRESSESWeb Anti-Virus scans web traffic for viruses and checks the links if they are included in the list of suspicious or phishingweb addresses.Checking the links if they are included in the list of phishing addresses allows avoiding phishing attacks, which look likeemail messages from would-be financial institutions and contain links to the websites of these organizations. Themessage text convinces the reader to click the link and enter confidential information in the window that opens, forexample, a credit card number or a login and password for an Internet banking web page where financial operations canbe carried out. A phishing attack can be disguised, for example, as a letter from your bank with a link to its officialwebsite. By clicking the link, you go to an exact copy of the bank's website and can even see the real address in thebrowser, even though you are actually on a counterfeit site. From this point forward, all your actions on the site aretracked and can be used to steal your money.The lists of phishing URLs are included with the Kaspersky PURE delivery set. Since links to phishing web sites may bereceived not only in email, but also from other sources, such as ICQ messages, Web Anti-Virus monitors attempts toaccess a phishing web site on the level of web traffic and blocks access to such locations.To configure Web Anti-Virus to check URLs against the databases of suspicious and phishing web addresses,perform the following steps:1. Open the main application window.2. In the top part of the window, click the Settings link.3. In the left part of the window, in the Protection Center section, select the Web Anti-Virus component.4. Click the Settings button in the Security level section in the right part of the window.5. In the Web Anti-Virus window that will open, in the Scan methods section, the Check if URLs are listed inthe base of suspicious web addresses box and the Check if URLs are listed in the base of phishing webaddresses box should be checked. If these boxes are unchecked, enable them.USING HEURISTIC ANALYSISDuring File Anti-Virus operation, signature analysis is always used: Kaspersky PURE compares the object found with thedatabase records.To improve protection efficiency, you can use the heuristic analysis (i.e., analysis of activity that an object performs in thesystem). This analysis allows detecting new malicious objects which are not yet described in the databases.To enable or disable the heuristic analysis:1. Open the main application window.2. In the top part of the window, click the Settings link.3. In the left part of the window, in the Protection Center section, select the Web Anti-Virus component.4. Click the Settings button in the Security level section in the right part of the window.5. In the Web Anti-Virus window that opens, in the Scan methods section, check the Heuristic analysis boxand specify the detail level for the scan. Uncheck the Heuristic analysis box if that scanning method should notbe used.106