Ahav.377
Description Ahav.377
This is a harmless encrypted non memory-resident parasitic virus. It searches for COM files and writes itself to the end of the file. It contains the text string:
[AHaV] Gothmog/DHA *.COM
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Hermetica.975
Description Hermetica.975
This is a dangerous non-memory resident parasitic virus. It searches for EXE files, then writes itself to the end of the file. On Tuesdays, the virus sets the INT 13h handler to the original INT 13h handler's code in the DOS kernel that may halt the computer if some specific disk drive is used. The virus contains the following encrypted text string:
*.EXE ..
HERMETICA VIRUS, by Int13h [Diabolical Kreations!]
Dedicado al EXcelente grupo thrasher argentino.
Ricardo Iorio: escribes muy bien!
# Virus coded in Paraguay #
Girls, Beer, Turbo Assembler and Heavy Metal from here to the eternity!
¡¡¡TASM luego existo!!!! Long life to Borland
Hero.394
Description Hero.394
These are not dangerous memory resident parasitic viruses. They copy themselves to the Interrupt Vectors Table at the address 0000:0200, hook INT 21h, and write themselves to the end of the files that are executed.
"Hero.394" infects only EXE files, "Hero.506" infects both EXE and COM files. As a read/write buffer these viruses use video memory.
While setting Interrupt Vector (INT 21h, AH=25h) with a number greater than 7Fh, "Hero.506" disinfects itself in the memory.
On the 1st of any month these viruses decrypts and display the following messages in Russian: "GLORY TO HEROES!" or "The author of the virus is a cretin" depending on the version of the virus.
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