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  3. Trojan.ByteVerify


Risk Level 1: Very Low

September 5, 2003
July 5, 2010 1:17:51 AM
Systems Affected:
Windows 2000
CVE References:
Trojan.ByteVerify is a Trojan horse that exploits the Microsoft Java Virtual Machine Bytecode Verifier Vulnerability (BID 6221) to execute on a vulnerable system. It may change the Internet Explorer start page and add links to the Favorites folder.

Antivirus Protection Dates

  • Initial Rapid Release version September 5, 2003
  • Latest Rapid Release version June 22, 2010 revision 018
  • Initial Daily Certified version September 5, 2003
  • Latest Daily Certified version June 23, 2010 revision 002
  • Initial Weekly Certified release date September 10, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment


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


  • Damage Level: Low


  • Distribution Level: Low
Note: On May 14, 2015, modifications will be made to the threat write-ups to streamline the content. The Threat Assessment section will no longer be published as this section is no longer relevant to today's threat landscape. The Risk Level will continue to be the main threat risk assessment indicator.
Writeup By: Douglas Knowles

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