Trend Micro Weekly Virus Report - November 2001 Issue #1

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V I R U S R E P O R T
    
(by the Trend Micro US Virus Research Group)
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Date: November 2, 2001
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If you're a corporate user and want to assess your virus protection,
check out Trend Micro's Virus Risk Assessment Web site at:
http://www.antivirus.com/free_tools/edoctor/

Issue Preview:

1. TREND MICRO UPDATES: Pattern File and Scan Engine Updates
2. NIMDA Strikes Back - PE_NIMDA.E
3. 10 Most Prevalent In-the-Wild Malware Surveyed by Trend Micro US
4. Top 5 Viruses Trend Micro's US Customers are Most Concerned About
5. Test Your Virus Knowledge & Scan Your Computer FREE!

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1. TREND MICRO UPDATES: Pattern File and Scan Engine Updates
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PATTERN FILE: 163 or 963 http://www.antivirus.com/download/pattern.asp
SCAN ENGINE: 5.600 http://www.antivirus.com/download/engines/

2. NIMDA Strikes Back - PE_NIMDA.E
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PE_NIMDA.E is a fast-spreading Internet worm and file infector that
arrives via email, as an attachment called SAMPLE.EXE. It employs several infection mechanisms and exploits several known vulnerabilities. Similar
to the original variant, PE_NIMDA.A, it has four modes of propagation:
through email, through network shared drives, through un-patched IIS servers, and through file infection.

The main difference between this variant and PE_NIMDA.A are the names of three of its dropped files. However, similar to the original variant, the name of the dropped executables are names of valid system files.

This virus has been classified as low risk.

A free fix tool for PE_NIMDA.E, and additional information about the virus, are available at:
http://www.antivirus.com/vinfo/virusencyclo/default5.asp?VName=PE_NIMDA.E.

PE_NIMDA.E is detected by Trend Micro pattern file #161 or 961.

3. 10 Most Prevalent In-the-Wild Malware Surveyed by Trend Micro US
(week of: October 22, 2001 to October 28, 2001)
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1. PE_MAGISTR.DAM
2. VBS_HAPTIME.A
3. PE_MAGISTR.B
4. TROJ_SIRCAM.A
5. TROJ_BLKSTONE.A
6. PE_NIMDA.A-O
7. TROJ_NEWPIC.A
8. JS_KAKWORM.A
9. TROJ_HYBRIS.M
10. JS_NIMDA.A

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4. Top 5 Viruses Trend Micro's US Customers are Most Concerned About
(where systems were not infected)
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1. VBS_VBSWG.GEN
2. TROJ_SIRCAM.A
3. TROJ_NEWSAGENT.A
4. TROJ_MTX.A.DLL
5. TROJ_LOVEADOT.C

5. Test Your Virus Knowledge & Scan Your Computer FREE!
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Do you think you know enough about viruses? Try our new HouseCall quiz as you scan your computer, FREE, for viruses and other malicious code. At the end of the quiz you may be lucky and win 20% OFF Trend Micro PC-cillin 2000!!

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Received on Sat Nov 3 01:30:18 2001