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SkyNet

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Virus.DOS.SkyNet.1448 is a memory resident parasitic virus on DOS.

BehaviorEdit

When the virus is loaded into memory, it hooks INT 21h and infects any EXE executable that is run by writing itself to the end of the file.

After that, it sets a counter and starts slowing down the system by adding dummy loops on any INT 21h call.

Memory usageEdit

The exact memory usage is 1,664 bytes.

PayloadEdit

When an infected program is run, the virus appends the following message into the runtime of the program by random:

*** Terminator I *** Created by Sky Net in Chung-Li.
Skynet message

The message appended into FIND by Skynet.

After a number of processes, the virus makes a "shutdown" video effect and then slowly types out this message on a red background:

Terminator Message:

Don't be afraid.
I am a very kind virus.
You have do many works today.
So,
I will let your computer slow down.
Have a nice day,
Goodbye.

Press a key to continue. . .

After that it turns the screen to black, but the system is not halted, the user may perform any task, even there is nothing to be displayed on the screen.

VideosEdit

Virus.DOS.SkyNet00:48

Virus.DOS.SkyNet.1448

Virus.DOS03:34

Virus.DOS.Skynet

Skynet virus review by danooct1

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