Name: Worm/Gibe.B
Alias: Win32.Gibe.B@mm
Type: Internet Worm
Discovered: February 25, 2003
Size: 155.468KB
Platform: Windows 95/98/ME/NT/2000/XP

Worm/Gibe.B is an Internet worm that spreads through e-mail by using addresses it collects in the Windows Address Book, as well as, through the use of the file-sharing program KaZaA and through the mIRC network.

The worm arrives through e-mail in the following format:

Subject: Fw: Check this patch from Microsoft
Body:
Microsoft Customer

this is the latest version of security update, the "February 2003, Cumulative Patch" update which eliminates all known security vulnerabilities affecting Internet Explorer, Outlook and Outlook Express as well as five newly discovered vulnerabilities. Install now to protect your computer from these vulnerabilities, the most serious of which could allow an attacker to run executable on your system. This update includes the functionality of all previously released patches.

System requirements:
Win 9x/Me/2000/NT/XP

This update applies to:
Microsoft Internet Explorer, version 4.01 and later Microsoft Outlook, version 8.00 and later
Microsoft Outlook Express, version 4.01 and later

Recommendation:
Customers should install the patch at the earliest opportunity.

How to install:
Run attached file. Click Yes on displayed dialog box.

How to use:
You don't need to do anything after installing this item.

Microsoft Technical Support is available at
http://support.microsoft.com/

For security-related information about Microsoft products, please visit the Microsoft Security Advisor web site at:
http://www.microsoft.com/security

Contact us at
http://www.microsoft.com/isapi/goregwiz.asp?target=/contactus/contactus.asp

Please do not reply to this message. It was sent from an unmonitored e-mail address and we are unable to respond to any replies.

Thank you for using Microsoft products.

Attachment:
UPDATE777.exe