W32.Browaf

Risk Level 2: Low

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Discovered:: May 22, 2006
Updated:: February 13, 2007 12:55:39 PM
Also Known As:: W32.Browsesafe, W32/Browaf.worm [McAfee], TROJ_BROWSAFE [Trend Micro]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Browaf is a worm that sends a link to a copy of itself via Yahoo Instant Messenger and MIRC. It also modifies the Internet Explorer Home page.

Note: Definitions dated prior to May 24, 2006 may detect this threat as Backdoor.Trojan.

Antivirus Protection Dates

Initial Rapid Release version May 22, 2006
Latest Rapid Release version June 21, 2008 revision 020
Initial Daily Certified version May 22, 2006
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date May 24, 2006

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: Moderate

Damage

Damage Level: Low

Distribution

Distribution Level: Medium

Writeup By: Ka Chun Leung

Technical Details

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Internet Security Threat Report, Volume 16