TREND MICRO WEEKLY VIRUS REPORT: Friday March 31, 2006

Issue Preview: 1. Trend Micro Updates - Pattern File & Scan Engine Updates 2. Vulnerability Exploit - EXPL_TXTRANGE.A (Low Risk) 3. Top 10 Most Prevalent Global Malware 4. The Trend of Threats Today: Trend Micro's 2005 Annual Roundup & 2006 Forecast

1. Trend Micro Updates - Pattern File & Scan Engine Updates Pattern File : 3.305.00 Scan engine : 8.000 2. Vulnerability Exploit - EXPL_TXTRANGE.A (Low Risk) EXPL_TXTRANGE.A is a zero-day exploit that takes advantage of a vulnerability in the createTextRange Method call process in Internet Explorer. Exploiting this vulnerability enables a user to create a text range within an object. This exploit affects Internet Explorer 6.0 and Internet Explorer 7.0 Beta 2 (January Edition) running on Windows 98, ME, NT, 2000, XP, and Server 2003. This exploit causes an error in the mentioned text range, which is applied to a an affected system's memory and to execute arbitrary codes on the system. It can also download and execute malicious codes on the system. Zero-day exploits are termed as such because the unpatched vulnerability and its corresponding exploit code are released within the same day. This poses a threat whereby many computers may be affected due to the availability of exploit code, and the fact that vendors do not have much time to patch it. One malicious JavaScript that uses this exploit is detected by Trend Micro as JS_DLOADER.BXR. If you would like to scan your computer for EXPL_TXTRANGE.A or any other worms, viruses, Trojans and malicious code visit HouseCall, Trend Micro's free, online virus scanner at: http://trendnewsletter.rsc03.net/servlet/cc5?lgLQSRCAQTVrjxpuipjLuLKpHQJhuV2VW 3. Top 10 Most Prevelant Global Malware (from March 24 to March 30, 2006) WORM_NYXEM.E SPYW_DASHBAR.300  SPYW_GATOR.F  HTML_NETSKY.P  WORM_NETSKY.P WORM_ANIG.A  WORM_MOFEI.B  JAVA_BYTEVER.A  EXPL_WMF.GEN  PE_PARITE.A  4. The Trend of Threats Today: Trend Micro's 2005 Annual Roundup & 2006 Forecast The antivirus and security industry has witnessed quite a few changes in the past year ? and, most notably, over the final few months leading to 2006. Trends are changing and new threats have emerged. The Internet has truly come of age as the ultimate tool for marketing, communication and global commerce. Unfortunately, more and more malicious parties also try to abuse the system for their own gains. Life in cyberspace is far from safe. This reality has prompted some to predict that this far-reaching and borderless community would become the ?last wild-wild west?. Read Trend Micro's 2005 Annual Roundup, and 2006 Forecast: http://trendnewsletter.rsc03.net/servlet/cc5?lgLQSRCAQTVrjxpuipjLuLKpHQJhuV2VSY

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