TREND MICRO WEEKLY VIRUS REPORT: Friday October 7, 2005

Issue Preview: 1. Trend Micro Updates - Pattern File & Scan Engine Updates 2. A Sober Surprise - WORM_SOBER.AC (Low Risk) 3. Top 10 Most Prevalent Global Malware 4. Free, Online Virus Scanner - Give us your Thoughts on HouseCall 6.5 Beta Version

1. Trend Micro Updates - Pattern File & Scan Engine Updates Pattern File : 2.881.00 Scan engine : 7.510 2. A Sober Surprise - WORM_SOBER.AC (Medium Risk) As of October 6, 2005, TrendLabs has declared a Medium risk alert for WORM_SOBER.AC that is currently spreading in-the-wild in the U.S., Japan, and Germany. SOBER.AC is written in both German and English languages. It checks the user's system for the version of the Microsoft OS that's running if it detects GMX as the domain, it installs one of the German versions; otherwise, it installs one of the English versions. The worm propagates via email messages that are spammed to recipients. It has no automated capabilities and must therefore be inadvertently executed by the user to install. To entice the user to do this, the author utilizes classic social engineering techniques, disguising the attachment as either a zipped Word document or a zipped image file. The subject lines vary, but include statements such as of "I've got your mail on my account!"; "Your New Password"; and "Registration Confirmation". SOBER.AC can download and run executable files from certain Web sites that it points to. However, this worm does not seem to have any backdoor capabilities. If you would like to scan your computer for WORM_SOBER.AC, or thousands of other worms, viruses, Trojans and malicious code, visit HouseCall, Trend Micro's free, online virus scanner at: http://trendnewsletter.rsc03.net/servlet/cc5?lgLQBACQTVrjxpuipjLuLKpHQJhuV2VU For additional information about WORM_SOBER.AC please visit: http://trendnewsletter.rsc03.net/servlet/cc5?lgLQBACQTVrjxpuipjLuLKpHQJhuV2VW 3. Top 10 Most Prevelant Global Malware (from September 30 to October 6, 2005) JAVA_BYTEVER.A HTML_NETSKY.P  WORM_NETSKY.P SPYW_DASHBAR.300  TSPY_SMALL.SN  SPYW_GATOR.F  PE_PARITE.A  TROJ_DYFUCA.I  JAVA_BYTEVER.A-1  TROJ_ROOTKIT.S 4. Free, Online Virus Scanner - Give us your Thoughts on HouseCall 6.5 Beta Version Trend Micro views Beta programs as a key opportunity to learn what our customers would like to see in our products. Here's your chance to weigh in on the beta version of HouseCall, Trend Micro's free, online virus scanner. HouseCall 6.5 Beta Version

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