Virus Database

Leda.820

Description Leda.820

This is a relatively harmless, memory resident parasitic virus. It hooks INT 21h, and writes itself to the end of COM files that are accessed. From 6 until 11 in November, depending on the system time, it displays the following message and halts the PC:
Masz wirusa LEDA (BDv3.0) , (c) B.D. 27.V.1994
P.S. Dzieki dla autora wirusa FLOOR 1153

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BitAddict.432

Description BitAddict.432

These are memory resident parasitic viruses. They hook INT 21h and write themselves to the end of the the files that are executed.
BitAddict.432,477
These are dangerous viruses. They copy their TSR copies into the video memory and infect only COM files. The 100th generation of the virus erases the disk sectors and displays:
The Bit Addict says:
"You have a good taste for hard disks, it was delicious !!!"

This viruses also contain the text:
BIT ADDICTMZ

BitAddict.512.a,b
These are dangerous viruses. "BitAddict.512.a" is encrypted one. On execution they infect the COMMAND.COM file. On installation they copy themselves into the system buffers and infect COM files that are executed.
"BitAddict.512.a" erases the disk sectors. It contains the text string:
Bit AddictCOMMAND.COM

The 100th generation of "BitAddict.512.b" erases the disk sectors and displays:
Bit Addict says:
"You have a good taste for hard disks, it was delicious!"

BitAddict.979,1190,1459,1601
Being executed these viruses search for the "COMSPEC=" string and infect the file that is pointed by that string, usually it is the COMMAND.COM file. On installation they copy themselves into the system buffers. Some of these viruses trace the INT 21h vector. Then these viruses infect COM and EXE files that are executed.
"BitAddict.1459,1601" erase the disk sectors, other viruses are harmless ones. They contain the text strings:
"BitAddict.979": COMSPEC=BIT ADDICT 2.00
"BitAddict.1190": COMSPEC=BIT ADDICT 2.10
"BitAddict.1459": COMSPEC= 12/19/91
"BitAddict.1601": COMSPEC=Bit Addict Version 3

Bizarre.2716

Description Bizarre.2716

It's a harmless memory resident parasitic polymorphic virus. It hooks INT 21h, 2Fh and writes itself at the COM-file beginning on their accessing. It contains the internal string "Bizarre by Dreamer". It contains parts of code which contains blunders, but that code is never called. It's a real bizarre virus.

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