1. Symantec/
  2. Security Response/
  3. W32.Estrella


Risk Level 1: Very Low

June 13, 2002
February 13, 2007 11:51:27 AM
Also Known As:
Trojan Horse
Systems Affected:

W32.Estrella is a Trojan horse that is designed to be spread through floppy disks. This trojan deletes some specific files on December 15th. It is written in Microsoft Visual Basic programming language.

NOTE: Virus definitions dated prior to June 13, 2002 may detect this threat as Backdoor.Trojan.

Antivirus Protection Dates

  • Initial Rapid Release version June 14, 2002
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version June 14, 2002
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date June 19, 2002
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Yana Liu

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2016 Internet Security Threat Report, Volume 21
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