Virus Database


Permutan.544

Description Permutan.544

It is a very dangerous memory resident parasitic virus. It hooks INT 13h, 20h and stays memory resident. While installing into the memory the virus leaves in the system memory its own code as well as the code of host file.
On INT 20h calls (Terminate) the virus gets from PSP the file name of active program and writes itself to the end of the file.
Depending on the system timer the virus corrupts the data that is saved on disk (INT 13h). The virus contains the text string:
Permutan

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Davis

Description Davis

It's a not dangerous memory resident encrypted parasitic virus. It hooks INT 21h and INT 8 (timer). It infects EXE-files only on their execution. Sometimes it beeps several times and types the message:
+--------------------------------------+
¦ DAVIS VIRUS V1.01¦
+--------------------------------------¦
¦ Author : Davis ¦
¦ Date : JUNE/23/1990 ¦
¦ ¦
¦ VIRUS STATION COPY RIGHT (C) ¦
+--------------------------------------+
""" Hi ! How are you today ? Don't worry about ! """
""" DAVIS VIRUS will follow you forever and ever ! """
""" Don't care me! I really do not damage your disk or data. """
""" Butall.......................make Funny to you sometime. """

Day2.1472

Description Day2.1472

This is a very dangerous memory resident encrypted parasitic virus. It hooks INT 13h and 21h, and writes itself to the end of COM and EXE files (except COMMAND.COM) that are executed. On the 2nd of January, February and March, the virus overwrites the hard drive MBR with a Trojan program that erases the disk sectors while booting from this hard drive. On the same days, the virus changes digits in data that are saved on disk.

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