Virus Database

MustDie family

Description MustDie family

These are harmless memory resident parasitic viruses, "MustDie.1253,1473" are encrypted. They hook INT 21h and write themselves to the end of COM and EXE files that are executed, renamed or accessed by Get/Set Attributes DOS call. The viruses do not manifest themselves in any way, they contain the encrypted text "COMEXE" and strings (partly in cyrillic):
"MustDie.1207":
MUSTDIE v.1 (a) <É«úá¡«ó à.Ç. must die> îâêô(C)1996-97
"MustDie.1253":
MUSTDIE v.2 (a) <USERS of the wold must die> îâêô(C)1996-97
"MustDie.1473":
MUSTDIE v.3 (a) <RAP&POPS must die, GABBER forever !> îâêô(C)1996-97

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Leo.293

Description Leo.293

It is a harmless nonmemory resident silly parasitic virus. It searches for .COM files, then writes itself to the end of the file. The virus does not manifest itself, it contains the text string:
- Virus "Leo", created in 1997 -

Leo.3948

Description Leo.3948

It is not a dangerous nonmemory resident quite silly parasitic virus. It searches for .COM files, then writes itself to the end of the file. On December 31st it displays the message:
* *
* · ···· ·· ·· ··· ·· ··· ···· ·
· XXXXX XXX XXX XXxx XXX XXxx XXXXX · *
· XXX XXXXXXX XXxx XXX XXxx XX XX ·
· XXX XXX XXX XXxx XXXX XXxx XXXXX · *
· ·· ·· ·· ··· ··· ··· ···· ·
* *
Hallo, I've got a virus for you.. *
Today is the 31 of December, because I want to
congratulate with a Happy New Yearall Today is *
* a holiday and I want a pair of COM files... :)
You have a holiday and you'll have many presents
tommorow. I would like to join at this tradition
* Could you take me a present as a file, please...
I'll be glad! Thank you for all, good bye.. *
Santa Leo...
* *

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