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Like its more robust sibling, Kaspersky Internet Security 2010, Kaspersky Anti-Virus 2010 leverages anonymous data from its customer base to create a behavioral engine to further strengthen security safeguards. Other than that, there's not much to differentiate KAV from its freeware competitors--some of which score better in efficacy tests. Frustratingly, a significant flaw in the interface design stands out because it's related to a key feature. KAV's performance felt fine but benchmarking revealed inconsistencies.
Kaspersky Anti-Virus 2010 will run on Windows XP, Windows Vista, and Windows 7. It costs about $20 more than its competitors, but one license can be used on up to three computers. Installation offers a Custom method for advanced users to configure which components will be installed, including parental control, the various antivirus engines, and the virtual keyboard. There's also an option to not install the anonymous data collection that Kaspersky's new behavioral engine, the Urgent Detection System, relies on. If you choose to not install it, you won't be any less secure--you just won't be contributing your data to it. If you do, there's a data collection statement so you know what's going on legally, although I suspect most users will treat it like any other legalese EULA and ignore it.
The program will also ask you if you want it to disable your firewall if it's active, and offers a protected install process so your computer is no less safe. Users can activate the program through the trial period or by purchasing a license immediately, and they can also toggle the program's sensitivity to user input by choosing the less-intrusive "trust Kaspersky" option or the more customizable "ask for user input" when it detects a threat.
You can also configure definition file updates as automatic--which is the recommended option--scheduled, or manual, and users will be able to password-protect Kaspersky's settings. This is a smart safety feature for computers that have more than one user. The last configuration window under the advanced user installation will ask you what kind of malware you want KAV to detect.
Once you've finished the installation, KAV won't require a reboot as it has in the past, although uninstallation still does. The first window that opens will be a virus definition warning that your local virus definition database requires an update. Clicking the link will open the main Kaspersky window and begin updating the program.
Overall, only power users should choose the longer advanced installation process, but the experience was smooth and flawless on a Windows 7 RTM laptop. It had no conflicts with the already installed security program AntiVir, and after uninstallation only two minor traces of the program were found in the Registry. Uninstalling using the included Modify, Repair, or Remove tool allows users opportunity to keep certain program data on the computer, and after the reboot KAV had reactivated the Windows Defender firewall.
Interface and features
The full-featured Kaspersky Anti-Virus suite offers a complete and competitive range of security options. The new features in the 2010 edition include the aforementioned behavioral-based detection system called the Urgent Detection Sytsem. The UDS uses the anonymous data of 10 million of Kaspersky's customers who choose to participate in submitting their system scans to Kaspersky's central servers for analysis, and it "red flags" suspicious behavior so that even if a program used to be safe, it can shut down newly activated malicious intent.
Although this might sound insidious, it's actually a smart way to leverage a huge consumer base for security purposes as long as the data remains anonymous. Many other security suites are incorporating behavioral detection engines, so this is something that users will have to get used to if they're not. Among UDS's better subfeatures include the capability to customize how long it takes to pass judgment on a new program and per-user configuration of the rules governing program behavior.
Even if a program has deep penetration, if it starts behaving badly, then Kaspersky will block it. If it's an unknown, Kaspersky will treat it skeptically, monitoring and restricting the program until it has been proven safe. The Vulnerability Scan option, available under the Scan tab, utilizes tech from Secunia to determine which programs are potential security risks because they lack recent updates or patches. For programs that may not warn you that they have a pending security update, such as Adobe Flash, having this tool baked-in could be exceptionally useful.