Matthew Family
Description Matthew Family
These are dangerous memory resident parasitic viruses. They hook INT 8, 13h, 21h and writes itself to the beginning of COM and to the end of EXE files that are executed. The viruses manifest themselves by video effects, they also overwrites the boot sector of floppy disks with a program that displays while booting from such disk:
"Matthew.2667":
Therefore I tell you, do not worry about your life,
what you will eat or drink; or about your body,
what you will wear. Is not life more important than
food, and the body more important than clothes?
Look at the birds of the air; they do not sow or
reap or store away in barns, and yet your heavenly
Father feeds them. Are you not much more valuable
than they?
Matthew 6:25 (Agnes) May 92' IICS-SLU B.C.
"Matthe.3044":
+-----------------------------------+
¦ Look at the birds of the air, ¦
¦ they do not sow or reap or store ¦
¦ away in barns, yet your Heavenly ¦
¦ Father feeds them. Are you not ¦
¦ much more valuable than they? ¦
+-----------------------------------¦
¦ Matthew 6:26 1st Bat.94 (Sw & Sh) ¦
+-----------------------------------+
"Matthew.2667" also contains the encrypted text string:
R.M.O.Ordona IICS-SLU
Check other viruses! Be aware! Use Antiviral Software
Int5
Description Int5
This is not a dangerous memory resident parasitic virus. It hooks INT 5, 21h and writes itself to the beginning of COM files that are executed or opened. Periodically It prints the screen (INT 5).
Int78 Family
Description Int78 Family
These are memory resident harmless viruses. They hook INT 21h and write themselves to the and of COM files. While installing they store the original INT 21h address to the address of INT 78h vector, and then while infecting the files they use int 78h calls instead of INT 21h. These viruses do not manifest themselves.
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