Virus Database

Pyramid.457

Description Pyramid.457

It is not a dangerous memory resident encrypted parasitic virus. It hooks INT 21h and writes itself to the end of COM files that are closed. Depending on the system timer it draws the image of a pyramid.

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Istanbul Family

Description Istanbul Family

These are harmless (except "Istanbul.1367") memory resident parasitic viruses. They hook INT 21h and write themselves to the end of COM and EXE files that are executed. Depending on the system date they disinfect the host file. Depending on the system date "Istanbul.1312" beeps with PC speaker. They contain the text strings:
"Istanbul.1312": Written in the city of Istanbul (c)1993
Installed
"Istanbul.1349": Anti-Virus?? Written in the city of Istanbul (c)1993
"Istanbul.1367": Written in the city of Istanbul (c)1994 by REUIUKRGT

"Istanbul.1367" is a dangerous virus. It deletes the files: X.EXE, CIV.EXE, CìV.EXE, WOLF3D.EXE, RETAL.00, RETAL.01, SUP.EXE, TIM.EXE, TìM.EXE, PRE2.EXE, BIRTH0.PIC, DISCOVR1.PAL, ICONPG1.PAL, YEAGER.EXE, LHX.EXE, JF.EXE.

Italian.578

Description Italian.578

This is a dangerous memory resident parasitic virus. It hooks INT 21h, and writes itself to the end of COM files that are executed. In April, it displays the following message:
_ ITALY IS THE BEST COUNTRY IN THE WORLD _

and erases the disk sectors. It also contains the text:
Fucks to Italian Virus Killers

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