Virus Information Center

 

 

What to do: Delete email message, DO NOT open attachment - Update and run your Anti-Virus software immediately

PRECAUTIONS: Be wary of attachments, especially executables (such as attachments ending in .exe, .com or .bat) Be sure that you have the latest Anti-Virus definitions installed on your computer.

 

W32.Nimda.A@mm is a new "category 4" mass-mailing worm that utilizes multiple methods to spread itself. Users visiting compromised web servers will be prompted to download an .EML (Outlook Express) email file, which contains the worm as an attachment

NAME OF ATTACHMENT: README.EXE

DAMAGE: - Large scale e-mailing: Uses MAPI to send itself out as README.EXE - Modifies files: Replaces multiple legitimate files with itself - Degrades performance: May cause system slowdown - Compromises security settings: Opens the C drive as a network share}

To learn more about this and other viruses, go to www.symantec.com or www.mcafee.com

 

W32.Sircam@mm is a sophisticated worm that will infect files shared over an open network so most people will never see the original infected e-mail associated with the worm.

NAME OF ATTACHMENT: (Random, but will always have 2 file extensions, such as filename.doc.lnk)

http://www.cnet.com/software/0-5067630-8-6323433-1.html

DAMAGE: - SirCam will copy rundll32.exe to the system, renaming the existing rundll32.exe to run32.exe.

 

Code Red (II) - looks for systems running IIS that have not patched the unchecked buffer vulnerability in idq.dll or removed the ISAPI script mappings. Systems running Windows NT 4.0 or Windows 2000 may be vulnerable. Specifically, these systems are vulnerable if they are running the IIS 4.0 or IIS 5.0 webserver software. Systems running Windows 3.1, 95, 98, and ME are not vulnerable

Information: http://www.incidents.org/react/code_redII.php

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