Virus Database

SillyWilly.2256

Description SillyWilly.2256

It is a very dangerous nonmemory resident parasitic polymorphic virus. It searches for .COM files of the current directory and writes itself to the end of the file. The code that passes the control to virus body consists of two parts: the first part (the file beginning) jumps to the second one, and the second jumps to the main virus body. The opcodes of these parts may be different.
Sometimes it also searches for .EXE files and overwrites them with a trojan program that erases the disk sectors and display the messages:


 __ __ 
³ o o ³
³ ³
³ (..) ³
³ ) ---- ( ³
\__________/
The User of This Computer Is Stupid!
Hello, I'm Silly Willy! -
Now I'm formating Your HARDDISK!
That's fine! - Isn't it? (har,har)
Formating Drive C: all$ERROR: No SYSTEM found!
No files on drive C:
Insert SYSTEM diskette in drive A: and push any key!

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Jabb Family

Description Jabb Family

There are not dangerous memory resident encrypted parasitic viruses. They hook INT 21h. The infected files contain the texts "JW1" or "JW2" at the beginning, and "JW0" at the virus entry point.
"Jabb.812" writes itself to the end of COM and EXE files. It converts EXE files to COM format (see "VASCINA").
"Jabb.615" infects only COM files. The virus displays:
BEWARE THE JABBERWOCK! HI SOLLY. THIS IS A 100% BRITISH PRODUCT

Jabb.1000
That virus write itself to the beginning of COM files. Sometimes it decrypts and displays the message:
Beware the Jabberwock, my son!
The jaws that bite, the claws that catch!
And hast thou slain the Jabberwock?
Come to my arms, my beamish boy!

It also hooks INT 09h (keyboard) and if the "jos" string is entered, the virus displays:
ILIESCU

It also contains the strings:
JABBERWOCKY ( ), the first Romanian Political Virussian
Release date 12-22-1990

Jabber.334

Description Jabber.334

It is not a dangerous nonmemory resident parasitic virus. It searches for COM files and writes itself to the end of the file. It displays the message:
Jabberwocky attack another time

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