Tranquilo.568
Description Tranquilo.568
It is a harmless memory resident parasitic virus. It hooks INT 21h and writes itself to the end of COM files that are executed. On September 25th the virus displays the message:
Tranquilo chico que si no es en septiembre ser en Junio :-)
Que los 12 cr?ditos m¡nimos te acompa¤en
all..
by nEUrOtIc cPu cOrpOrAtIOn S.A.
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Heja.511
Description Heja.511
These are not dangerous memory resident parasitic viruses. They hook INT 21h and write themselves to the end of .COM files ("Heja.511" - except COMMAND.COM) that are executed.
Depending on its internal counter "Heja.511" decrypts and displays the message:
(c) 1993 Heja/Adrar.
"Heja.623" contains the encrypted text:
>The 21th Space Explorer< ver 1.35 by HEJA from ADRAR Design.
Ogladajcie nasze nowe demo - nazywa sie FUCK THE OBJECTS.
Helga.666.a
Description Helga.666.a
These are dangerous nonmemory resident encrypted parasitic viruses. They search for COM files, then write themselves to the end of the file. Then the viruses delete the files by using the masks:
*._* *.ms
Depending on the system time the viruses display the messages and halt the computer. "Helga.666.a" displays the message in Russian. "Helga.666.b" displays:
WARNING: ALL DATA ON NON-REMOVABLE DISK
DRIVE C: WILL BE LOST!
Proced with Format (Y/N)?y
The viruses also contain the string:
*.com
"Helga.666.a" also contains the word:
Helga
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