Virus Database

1stVir.3173

Description 1stVir.3173

This is harmless, memory resident parasitic virus. It hooks INT 9, 13h, 1Ch, 21h, and 28h. The virus writes itself to the end of COM and EXE files. When the file is executed, the virus stores its name, and infects that file on INT 1Ch or INT 28h calls. So the virus infects the file not at the same moment when the file is executed, but with some delay.
Other interrupt vectors the virus uses in its video effect: the virus changes the video mode, pages, cursor and mouse position, and displays the string "1st".
The virus contains the encrypted text strings:
EXECOM
1stVIR

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Berserker.3537

Description Berserker.3537

It's a dangerous memory resident parasitic polymorphic stealth virus. It hooks INT 8, 21h and checks the function of file execution, opening and closing. On infected file opening, it disinfects it. On EXE- or COM-file closing it writes itself at the file end. On file execution the virus disinfects it, executes and then infects again. This virus erases disk sectors (it fills them with string "Berserker"), it also erases CMOS memory and displays the message:
Its time for me to commit suicide! I'm taking you with me! Can you
handle a Berserker Death frenzy?
I GUESS NOT! HAHAHA!

it contains the internal strings also:
Berserker Death by Voxuzkin!
ATM0S7=999DT911

Beryllium

Description Beryllium

It's a harmless memory resident stealth boot virus. On loading from infected floppy it hits MBR of hard drive. On loading from infected sector it hooks INT 13h and writes itself into boot sectors of floppy disks on reading from them. It contains the internal text: "BERYLLIUM!".

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