Supervisor family
Description Supervisor family
These are not dangerous(?) memory resident parasitic viruses. They hook INT 8, 9, 21h, 28h and write themsleves to the end of .COM and EXE files that are executed or opened, "Supervisor.1256,1448" infect .COM files only, "Supervisor.2221" infects both COM and EXE.
The viruses manifest themselves with some video effect. In some cases they perform several Novell Netware calls (to obtain the netware passwords?). The viruses contain the text strings:
SERVER SERVER SECURITY_EQUALS SERVER PASSWORD
SERVER SECURITY_EQUALS SUPERVISOR
MsDos
Check other viruses! Be aware! Use Antiviral Software
Nygus Family
Description Nygus Family
These are harmless memory resident parasitic viruses. They write themselves to the end of the files. These viruses contain the strings:
"Nygus.227": Nygus v1.1
"Nygus.278": (c)Nygus v1.1
"Nygus.295": (c)Nygus v1.2
"Nygus.752,757": (c)Nygus v2.0
"Nygus.227,278,295" are nonmemory resident viruses. They search for .COM files and infect them.
"Nygus.752,757" are memory resident viruses. They hook INT 21h and infect .COM and .EXE files that are executed.
Nymphet.1024
Description Nymphet.1024
It is a dangerous memory resident parasitic virus. It hooks INT 21h and on changing current directory searches for .COM and .EXE files and writes itself to the end of files. The virus has a bug and infected files may halt the system. The virus contains the text strings:
*.com *.exe
NYMPHET ver. 1.0
|
Home
Viruses from A to Z
0-9
A
B
Ñ
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
|