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TIOS.Tigraa

Risk Level 1: Very Low

Discovered:
May 29, 2007
Updated:
June 1, 2007 4:39:47 PM
Type:
Virus
Infection Length:
494 bytes
TIOS.Tigraa is a memory-resident entry point-obscuring infector of ASM files on Texas Instruments TI89-compatible calculators (TI89, TI92, TI92+, Voyage 200).

Antivirus Protection Dates

  • Initial Rapid Release version May 29, 2007 revision 040
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version May 30, 2007 revision 002
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date May 30, 2007
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

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

Damage

  • Damage Level: Low
  • Modifies Files: Infects ASM files on the device.

Distribution

  • 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: Peter Ferrie

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