1. Symantec/
  2. Security Response/
  3. Trojan.Webus.B


Risk Level 1: Very Low

October 5, 2004
February 13, 2007 12:28:10 PM
Also Known As:
DDoS.Win32.Boxed.p [Kaspersky]
Trojan Horse
Systems Affected:

Trojan.Webus.B is a Trojan horse program that kills antivirus services and launches Distributed Denial of Service (DDoS) attacks against a list of remote servers.

This Trojan is a variant of Trojan.Webus and is packed with UPX and Yoda.

Antivirus Protection Dates

  • Initial Rapid Release version October 6, 2004
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version October 6, 2004
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date October 6, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Kevin Ha

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2016 Internet Security Threat Report, Volume 21
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