Select local site

| Japanese | Simplified Chinese | Traditional Chinese (Hong Kong) | Traditional Chinese (Taiwan)

F-Secure Virus Information Pages: Xtac

[Summary] | [Detailed Description]

Name : Xtac
Type:Virus
Category:Virus
Platform:DOS
Radar

Summary
Xtac stays resident in memory and infects COM and EXE files when they are executed. COMMAND.COM is infected by overwriting an unused area.
Back to the Top

Detailed Description

Sometimes the virus deletes files with the following extensions:

  • COM
  • EXE
  • SYS
  • BAT
  • OBJ
  • OVR
  • OVL
  • INI
  • CFG
  • TPU
  • HLP
  • TPL
  • BGI
  • CHR

Xtac contains the following unencrypted internal text:

good news! you have justbeen smitten by XTAC - lyndon siao, usc-tc

Xtac was reported to be in the wild in the USA in January 1996.
Back to the Top



F-Secure Corporation

Last Modified: January 01, 2006