W32.Appix.Worm

Risk Level 1: Very Low

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Discovered:: September 17, 2002
Updated:: February 13, 2007 11:40:32 AM
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP
CVE References:: CVE-2001-0154 CAN-2001-0875

W32.Appix.Worm is a worm that attempts to spread across file-sharing networks such as KaZaA and eDonkey2000. The worm infects PHP and PHTML files by appending code that is designed to infect other PHP, PHTML, HTM, and HTML files. It also uploads the W32.Appix.Worm to a client computer that visits the infected Web site. Also, W32.Appix.Worm contains it own SMTP client engine that permits it to replicate using email. The email may arrive with the following characteristics:
Subject: test23
Attachment: Test.scr (175,112 bytes or 176,128 bytes)

Due to buggy code some of the intended features of the worm are never executed. This may result in the display of error messages.

Antivirus Protection Dates

Initial Rapid Release version September 17, 2002
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version September 17, 2002
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date September 18, 2002

Click for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

Wild Level: Low
Number of Infections: 0 - 49
Number of Sites: 0 - 2
Geographical Distribution: Low
Threat Containment: Easy
Removal: Easy

Damage

Damage Level: Medium

Distribution

Distribution Level: Medium

Writeup By: Serghei Sevcenco

Technical Details

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Internet Security Threat Report, Volume 16