Virus Database

Cannabis_II.1029

Description Cannabis_II.1029

It is a harmless memory resident parasitic virus. It hooks INT 21h and writes itself to the end of EXE files that are accessed. While installing, it also hits the COMMAND.COM file, while infecting COMMAND it does not increase its size but writes itself into the middle of the file.
The virus does not infect the files:
CL*.EXE, HW*.EXE, TB*.EXe, F-*.EXE, WC*.EXE, TK*.EXE

The virus contains the text string:
No! Cannabisall

Check other viruses! Be aware! Use Antiviral Software

AntiEXE.a

Description AntiEXE.a

These are very dangerous, memory-resident boot viruses. They hook INT 13h, and infect the MBR of the hard drive and the boot sectors of the floppy disks. They check the accessed sectors for an EXE header (MZ/ZM stamp), and corrupt some EXE files that are executed or while reading/writing from/to these files.

AntiFort.1110

Description AntiFort.1110

This is a very dangerous memory resident encrypted parasitic virus. It hooks INT 21h and writes itself to the end of COM and EXE files that are executed. While executing a file with the name F77*.*, the virus deletes that file. On Mondays, the virus writes the following string to the end of the C:AUTOEXEC.BAT file:
@ECHO Y | FORMAT D:

On Tuesdays, the virus modifies the Interrupt Timer by writing to the timer ports. The virus also contains the internal text strings:
ANTI FORTRAN OF OVER-X
C:AUTOEXEC.BAT

Home