Virus Database

Trojan.DOS.Qhost.b

Description Trojan.DOS.Qhost.b
This Trojan is a DOS COM file approximately 12KB in size. When started, the Trojan modifies the %System%driversetchosts file, which is used to redirect DNS names to IP addresses. The following line is added to the file: 209.134.41.39 officebanking.bradesco.com.br This means that all requestsall

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Tadpole.2792

Description Tadpole.2792

This is a relatively harmless memory resident parasitic virus. It hooks INT 21h and 2Fh, and writes itself to the end of COM and EXE files that are executed. Starting from the 28th of any month, this virus also hooks INT 8 and 9, the keyboard is not active for several minutes, and the virus displays a message and launches a draft image of a tadpole running on the screen. The message appears as follows:
PHILIPPINES 2000, Greetings!
This tadpole lurks behind your empty mindall
It wriggles thru your brain just to remind:
You ought to have a sense of real concern
On virus strains that plagued, you've got to learn.
What have you done to clean this dirty world?
Have you taken steps on bogus softwares sold?
What have you done to lethal engineers
Who did create those worms and viral smears?
This tadpole lurks behind your empty mind...
If you've done nothin' you will surely find:
This tadpole leaps out of you brainless fools!
To breed a million more of wriggling--- TADPOLES...
Soon, silicon-based artificial life-forms will rule this organic world...
The creator will disavow any knowledge of my actions.
(Sgd) CCCv (c) Outlawed Technology Section, CCC CompE... Hail U.C.!

Taek

Description Taek

These are not dangerous memory resident encrypted parasitic viruses, "Taek.1846" is polymorphic one. They hook INT 21h and write themselves to the end of COM and EXE files that are executed or opened. "Taek.1965" while installing memory resident also searches for all EXE files in the current directory and infects them.
The viruses check the file names and do not infect the files COMMAND.COM, IO*.*, OS*.*, SC*.*, WI*.*. "Taek.1965" also does not infect F-*.* files.
Starting from 22:00 the viruses display the messages after infecting each file:
"Taek.1846":
Welcome to Scorpion Virus
Copyright (C)

"Taek.1956":
Red Scorpion
Copyright (C) 1995-1996 Taek Software.
Ver Red.1912

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