Comparison with ! Internet Security 6.0

What’s new in avast! Internet Product name avast! Internet Norton Internet McAfee Internet Kaspersky Internet Eset Smart Security 6.0 Security 2011 Security 2011 Security 2011 Security 4 Security version 6.0?

Number of program languages 35 27 31 17 30 new avast! SafeZoneTM Size of the installation package 73 MB 133 MB 141 MB 98,9 MB 47,7 MB Opens a new (clean) virtual desktop so that other applications don’t see what’s happening – Program size after installation 310 MB 1 307 MB 271 MB 404 MB 230 MB perfect for banking or secure ordering/shopping 1-year price up to 3 PCs $ 69.99 $ 69.99 $ 79.99 $ 79.95 $89.99 – and leaves no traces once it’s closed.

TM On-Demand Scanning Test, AV-Comparatives.org - Aug 2010 improved avast! Sandbox Provides an extra layer of security for you to Detection 99.3% 2 98.7% 99.4% 98.3% 98.6% run your PC and its applications in a virtual Scanning speed [MB/s) 17.2 13.3 12.3 9.8 9.6 environment.

Number of False Positives few few many many few new avast! AutoSandboxTM (virtualization) Prompts users to run suspicious items in the 3 GENERAL FEATURES virtual Sandbox environment.

TM Antivirus and anti-spyware engine Signature-/Heuristic-based a a a a a new avast! WebRep Provides website reliability and reputation Behavior-based a a a a a ratings according to community-provided Real-time anti-rootkit protection On-demand detection a a a a a feedback. On-access detection r r r r a improved antivirus and anti-spyware engine Silent Firewall a a a a a Innovative scanning engine protects against Antispam filter a a a a a viruses, spyware, and other malicious agents. ADVANCED SECURITY improved boot-time scanner Browsing security Protection from accessing infected sites a a a a a Scans your computer for infections before the OS can start to activate any viruses Search results warnings r r a a a beneath it (now applies to Windows 7 and Website reputation warnings a r r a r Windows Vista). Virtualization Running possible infections in the isolated virtual enviroment r r r r a improved Behavior Shield Antiphishing r a a a a Stops ‘zero-day’ threats and unknown Boot-time scanner a r r r r malware before virus definitions have been obtained. TD r r r r Reversed sandbox (avast! SafeZone ) a Pulse updates r a r a r Increased scan speed by avoiding clean-file scans between updates a a a a a Speed % increase by above optimalization [Virus Bulletin On-Access Speed; Dec 2010] *) 91% Not Tested 48% 69% 1% Free phone support a a r a a

Note: 1 Includes the complete virtualization module. 2 AVAST Software submits its Free Antivirus for the comparative tests even against paid-for security suites. The results listed are for avast! Free Antivirus version 5.0, which did not have some added new features and improvements available in 6.0. Data sourced from vendors‘ websites. 3 Data sourced from vendors‘ websites.

Comparison with avast! Internet Security www.avast.com 1 We at AVAST Software believe that even free antivirus security should give the best possible protection to its users. To endorse this vision, we only submit avast! Free Antivirus version for comparative tests and certification institutions like AV-Comparatives, Virus Bulletin, Checkmark, and others. As documented by independent test results, avast! Free Antivirus (even without the extra features offered in avast! Internet Security) achieves the best combination of providing reliable protection with minimum false positives and fastest scan speeds – for the lowest impact on system performance.

AV-Comparatives: On-Demand scanning speed [MB/s], Aug 2010 AV-Comparatives: On-Demand Detection, Aug 2010 AV-Comparatives: Number of False Positives, Aug 2010 Source: www.av-comparatives.org

0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 0 20 40 60 80 100 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% avast! G Data AntiVirus AntiF-SecureVir Premium Avira Avira AntiVir Premium F-Secure InternetMicrosoft Security Panda Trustport Antivirus BitDefenderBitDefender Business Client Symantec McAfee AntiVirus Plus AVG InterneteScan Security AVG avast! Free Antivirus Kaspersky InternetEset Security PC Tools Anti-Virus Pro Endpoint Security McAfee eScan Anti-Virus avast! avast! Free Antivirus BitDefender F-Secure Anti-Virus Symantec Security Essentials F-Secure Panda Antivirus Pro Avira Kaspersky Antivirus K7 Symantec Norton Anti-Virus Sophos ESET Nod32 Antivirus Kingsoft ESET Nod32 Antivirus G Data Sophos AVG Anti-Virus PC Tools InternetAVG Security G Data Kaspersky Anti-Virus McAfee VirusScanTrustport Enterprise Kaspersky PC Tool Spyware Doctor with Antivirus Quick HealTrend Total Micro Security PC Tools Microsoft Security Essentials CA Internet SecurityMcAfee Suite Plus Eset Sophos Anti-Virus K7 KingsoftTotal Security Trustport K7 TotalSecurity NormanKaspersky Security Suite eScan Norman Antivirus & Anti-Spyware Comodo Internet K7Security Microsoft Trend Micro AntiVirus plus AntiSpyware ComodoNorman Anti Virus Norman Kingsoft AntiVirus Pro Kingsoft Internet SecurityPanda Advanced

NEW avast! SafeZoneTM The power of our free-user base

avast! SafeZone™ is a new private, secure, and isolated desktop The most reliable approach to stopping viruses is to know their signatures. The challenge, recommended for sensitive online operations – shopping, banking, and then, is finding the signatures for viruses before they are ‘known’. Our huge global base of providing personal information. Immune to keyloggers, screen captures, free users helps us to achieve this via their participation in the avast! CommunityIQ™ early and other malware. One-click deletion of your activity log (browsing warning system. With CommunityIQ™ technology, new or unknown viruses get identified history, passwords, etc.) in the SafeZone™. by the avast! Behavior Shield and samples get sent to the avast! Virus Lab for analysis. If proven a virus, its signature then automatically uploads to all avast! users. Every day, our

NEW avast! WebRepTM free users identify over 10,000 new unique viruses via avast! CommunityIQ™.

avast! WebRep™ is an industry first, providing 20000 users of avast! 6.0 with a community-sourced 18000 guide to the safety/content of millions of sites 16000 by combining web-reputation ratings with 14000 . avast! users will know – 12000 before following a link – what to expect in terms 10000 of product or service quality, customer service 8000 levels, or website safety and reliability. The 6000 browser extension interfaces with search engine results, showing ratings for each site. Websites 4000 that allow any of their pages to be infected will have lower credibility. Users will know which 2000 0 places are risky, so they can proactively avoid them. Jan 1, Feb 1, Mar 1, Apr 1, May 1, Jun 1, Jul 1, Aug 1, Sep 1, Oct 1, Nov 1, Dec 1, Jan 1, Feb 1, 2010 2010 2010 2010 2010 2010 2010 2010 2010 2010 2010 2010 2011 2011

Comparison with avast! Internet Security www.avast.com 2