ThunderByte Antivirus

ThunderBYTE Anti-Virus (TBAV) was an early antivirus software product. It was created by Dutchman Frans Veldman in 1988, and published by his company, ESaSS BV It was mainly designed for DOS , but there were also versions supporting Microsoft Windows . TBAV is known for its fast scan speed, heuristics-based scanner, and Anti-Vir.Datfiles tracking known-good file information.

Originally ThunderBYTE used a dedicated ISA card to provide protection before the operating system was even loaded. Later, a software-only product released, which soon moved the hardware offering. It was distributed as shareware .

In 1998, TBAV was sold to Norman ASA , which discontinued ThunderBYTE as a product.


  • esimeon (December 30, 2011). “ThunderByte: The Best AntiVirus, 15 years ago” . . Archived from the original on 2012-01-15.
  • “ThunderBYTE Anti-Virus Utilities User Manual” . 1996 . Retrieved 2016-02-10 – via Metropoli BBS files.
  • Frans Veldman. “The conclusion of Thunderbyte Anti Virus” . Archived from the original on 2011-12-09.
  • Righard J. Zwienenberg. “TBAV” . Retrieved 2016-02-10 .

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