Kaspersky's third-place ranking in our roundup of stand-alone antivirus programs reflects its ability both to impress and to disappoint. It pairs competent proactive protection with below-average signature detection, and a strong feature set with an at-times annoying user experience.
Kaspersky Lab Anti-Virus 2010

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| General Performance | |
| Signature-based detection of malware and spyware | 97.3% |
| Adware detection | 96.2% |
| Heuristic detection of new malware (with two-week-old signatures) | 66.8% |
| False positives | 6 |
| Average outbreak response time | 4-6 hours |
| Data throughput of on-access malware scanner | 12.15 MB per second |
| System Disinfection | |
| Detection of malware files and/or registry values | 100% |
| Removal of all active components | 100% |
| Removal of all malware components and files | 70% |
| Rootkits | |
| Detection of inactive rootkits | 100% |
| Detection of active rootkits | 100% |
| Removal of active rootkits | 100% |
| Behavioral Malware Detection | |
| Overall detection (warning) rate | 80% |
| Overall warning and blocking rate | 66.7% |
| Overall removal rate | 6.7% |
Pros
Good proactive protection
Many extra security features
Cons
Less effective traditional detection
Warning pop-ups can be confusing
Bottom Line
Kaspersky Anti-Virus has plenty of features, but is inconsistent thanks to its below-average traditional malware detection and at-times frustrating user interface.
Kaspersky Anti-Virus 2010: Loaded With Features
Anti-Virus 2010 Review, by Erik Larkin, PC World November 23, 2009
In traditional detection tests performed by AV-Test.org, this Russian-made program ($60 for a one-year, three-PC license) detected 97.27 percent of known malware samples--lackluster when compared with the performance of some competing apps we tested, which caught 99 percent or more of the threats. It fared better in heuristics tests that gauge how well a program protects against new malware with no known signature. At a time when the bad guys crank out astounding numbers of malware variants to evade traditional signature scanners, such proactive protection is more important than ever. Here Kaspersky came in third with a 66.83 percent block rate.
Like Norton, Kaspersky did very well in rootkit detection: It managed to detect, block, and remove all ten stealth malware samples that we threw at it. It also detected and disabled all ten test infections, and proved more successful than most apps at getting rid of less harmful elements, such as Registry changes. Only Norton Antivirus and F-Secure Anti-virus were able to clear out more of the less-important junk.
In speed tests for automatic scans that typically occur when you open or copy a file, Kaspersky achieved a 12.15MBps throughput. Only the application from Avira--which didn't make our chart--was more nimble in that regard.
In features, Kaspersky has much to offer, with extras such as recommendations for system hardening, a virtual keyboard, and a scanner for out-of-date software. However, Kaspersky lacks descriptions for some of its recommendations, so you might be left wondering why you should take a recommended action such as disabling Autorun. And while updating old software is one of the best things you can do to keep your computer safe, you have to jump through many hoops to act on what Kaspersky finds.
The app's malware warning messages tend to be more confusing than informative. In our tests it displayed multiple different warning pop-ups for successive tests involving the same sample. And for either manual or scheduled scans, you'll know what it finds only if you happen to sit around and catch the pop-ups that appear during the scan. There's no scan summary window listing discovered files.
Kaspersky's antivirus app would likely get the job done when it comes to protecting a PC, but it's not the best bet for either detection or ease of use.
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- Rating Breakdown
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93
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95
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78
Performance Comparison with Similar Antivirus & Security
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Average User Reviews for Kaspersky Lab Anti-Virus 2010
- Latest User Reviews 2 reviews
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Reviewed by: CiscoEDC
Duration of ownership: 2 Months
Strengths: Easy interface. Easy setup and configuration. Lowest overhead I have ever experienced with anti-virus programs. Password protection of configuration. Three PC license. Customer Service. Kaspersky Security Network - you don't have to be a techy to participate. Easy, easy, easy interface.
Weaknesses: Set-up and configuration is lengthy but well worth it once you are done.
Overall: Firstly, I realize everyone has a different experience. This is mine. And I am totally satisfied with Kaspersky. In my almost twenty-two years of working on or being around office-automation (these days, IT) I have used a couple of anti-virus programs. (I stay away from freeware because you usually get what you "pay" for.) I was using Symantec back when it was owned by Peter Norton (I feel a better product back then). Since 2001 I have been having problems with Symantec and it's requirement for overhead. It slowed all of my computers to a crawl - even my XP Service Pack 3 computers. When Vista showed up, I just could not keep my Vista computers running with Symantec - constant lockups and "blue screen" errors. SO I moved to MacAfee. Less overhead but for some reason I would constantly get bubbles saying that "Your Computer may not be protected". I would have to reinstall and restart. So I went to Kaspersky. I am totally satisfied. My computers now have their advertised Zoom! I have set the program up to update virus protections every seven hours. This means smaller downloads. I love the virtual keyboard. It has detected mal and adware and keyloggers Symantec and MacAfee allowed through. I was notified of registered programs on my computer that may have weaknesses -- so I adjusted the security settings of those programs. And I love the ability to monitor ALL ports (not just the known ones) for suspicious activity. All-in-all a very comprehensive anti-virus program at a great price. I am totally satisfied with Kaspersky.
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Reviewed by: Gadget57
Duration of ownership: 9 Months
Strengths: Not a lot.
Weaknesses: Quite CPU intensive. Doesn't recognize adware very well. The computer was going really slow and I ran the free MalWareBytes program (http://www.malwarebytes.org/) and found over 100 adware and trojan programs. I uninstalled it after that. Also, if the program's email checking portion is used with Outlook, and I delete all unwanted email before downloading, it then creates and sends an email message for every one it deleted saying the message was deleted, which then has to be deleted. I might as well let the junk mail through and only have to delete it once.
Overall: I would not buy this product again.
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