1. Symantec/
  2. Security Response/
  3. VBS.PassOn


Risk Level 1: Very Low

April 11, 2001
February 13, 2007 11:58:17 AM
Also Known As:
VBS/IEstart.gen, IEstart.A, Estart, VBS_IEstart.A

VBS.PassOn is a Visual Basic script, which is stored as either a .vbs file or an .html file. It alters the default home page of Microsoft Internet Explorer.

There are other things that you can do to protect your system from this type of Trojans:

Script Blocking
  • If you are using Norton AntiVirus 2001, a free program update that includes Script Blocking is available. Please run LiveUpdate to obtain this.
  • For other versions of Norton AntiVirus, SARC offers a tool to disable the Windows Scripting Host.

Antivirus Protection Dates

  • Initial Rapid Release version April 11, 2001
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version April 11, 2001
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date pending
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Serghei Sevcenco

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STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
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