Virus Database

Barrotes family

Description Barrotes family

These are dangerous memory resident parasitic viruses. While executing they infect C:COMMAND.COM file. Then they hook INT 21h, stay memory resident and infect the COM and EXE files that are executed. They contain the internal text string "c:command.com". On January, 5th they erase MBR sector, hook INT 1Ch, display several vertical lines and the message:
Virus BARROTES por OSoft

"Barrotes.849" infects COM files only.
"Barrotes.1310.d" does not corrupt MBR. On installation it uses i386 inctruction. It displays the message: "Virus MIKELON por MSoft".
"Barrotes.1461" on March 3rd corrupts disk sectors and displays:
This is virus RETRETE!
Don't attempt to recover your disk yourself!

"Barrotes.1463" tryes to manifest itself with the video effect, but fails. It contains the encrypted text:
ViRUS de G.D.R. (c)PutoSOŸT, NO HAY NADA COMO G.D.R. ¿¿ VERDAD ?? ;-)

"Barrotes.1874" plays a tune.
Barrotes.Tecla.1303
It is not a dangerous memory resident encrypted parasitic virus. It hooks INT 21h and writes itself to the end of COM and EXE files that are executed. When installing it infects C:COMMAND.COM file. On September, 23th it also hooks INT 16h and changes the scancodes of keys that are entered. This virus contains the text strings:
C:COMMAND.COM
Sta Tecla (MAD1)
ST

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Azatoth.997

Description Azatoth.997

It is not a dangerous memory resident encrypted parasitic virus. It hooks INT 21h and writes itself to the end of EXE files that are executed or opened. The virus uses anti-debug tricks, deletes the file ANTI-VIR.DAT and disables resident driver TBDRVXXX. The virus contains the text strings:
mandragore/DDT
[azatoth]
windblows must die! enjoy linux!

Aztech.1200

Description Aztech.1200

It's a dangerous memory resident parasitic virus. It hooks INT 21h, 2Fh and writes itself at the end of EXE-files that are executed. On infection it renames the file to AZTECH.INC, infects it and then renames it back to original name. Depending of the system time it erases disk files. It contains the internal text string:
FUCKING CRACKER - DIE !!! (P) 1992 BY AZTECH.INC

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