4 Cool Fake Viruses to Make Your Friends Freak Out

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There’s nothing wrong with a harmless prank, especially when the victim is anyone but you. If you want to have some fun with your friends (or enemies for that matter), drop these cool fake viruses into the folder located at “C:Documents and SettingsAll UsersStart MenuStartup”, then watch “˜em squirm.

Although the following fake viruses may seem malicious to the unsuspecting, they are non-destructive to your computer system. So you don’t have to worry about anything else and just enjoy the fun of making someone else panic!

Mix it up a little, don’t forget to check out other “prank” posts on MakeUseOf like 4 Really Popular Prank Call Websites & How They Work and Two Great “˜n Simple Nerdy Office Pranks to Play On Friends!

Let’s get pranking, shall we?

(1) Fake Virus Batch File

I got this prank from WikiHow. I love it because it looks the most like an actual attack. Copy and paste the following into an open Notepad window, then save the file with any name you choose and an extension of “.bat”

Here’s the code:

cls
:A
color 0a
cls
@echo off
echo Wscript.Sleep
echo Wscript.Sleep 5000>C:sleep5000.vbs
echo Wscript.Sleep 3000>C:sleep3000.vbs
echo Wscript.Sleep 4000>C:sleep4000.vbs
echo Wscript.Sleep 2000>C:sleep2000.vbs
cd %systemroot%System32
dir
cls
start /w wscript.exe C:sleep3000.vbs
echo Deleting Critical System Files…
echo del *.*
start /w wscript.exe C:sleep3000.vbs
echo Deletion Successful!
start /w wscript.exe C:sleep2000.vbs
echo:
echo:
echo:
echo Deleting Root Partition…
start /w wscript.exe C:sleep2000.vbs
echo del %SYSTEMROOT%
start /w wscript.exe C:sleep4000.vbs
echo Deletion Successful!
start /w wscript.exe C:sleep2000.vbs
echo:
echo:
echo:
echo Creating Directory h4x…
cd C:Documents and SettingsAll UsersStart MenuPrograms
mkdir h4x
start /w wscript.exe C:sleep3000.vbs
echo Directory Creation Successful!
echo:
echo:
echo:
echo Execution Attempt 1…
start /w wscript.exe C:sleep3000.vbs
echo cd C:Documents and SettingsAll UsersStart MenuProgramsStartuph4x
echo start hax.exe
start /w wscript.exe C:sleep3000.vbs
echo Virus Executed!
echo:
echo:
echo:
start /w wscript.exe C:sleep2000.vbs
echo Disabling Windows Firewall…
start /w wscript.exe C:sleep2000.vbs
echo Killing all processes…
start /w wscript.exe C:sleep2000.vbs
echo Allowing virus to boot from startup…
start /w wscript.exe C:sleep2000.vbs
echo:
echo:
echo Virus has been executed successfully!
start /w wscript.exe C:sleep2000.vbs
echo:
echo Have fun!
start /w wscript.exe C:sleep2000.vbs
pause
shutdown -s -t 10 -c “Your computer has committed suicide. Have a nice day.”

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Here’s how it will look like once it is launched:

cool fake viruses

Your victim’s PC will display messages as in the above image, and then initiate a shutdown sequence which can be stopped by entering “shutdown ““a” in the Run command box. It looks bad, but is otherwise completely harmless.

(2) EICAR Test File

This test file, while harmless, will set off any good virus scanner. It’s a test file to make sure that your anti-virus is vigilant, and is great for sending in an email.

fake virus programs

(3) Fake Format

I remember getting my brother once with a similar program. This cool fake virus perfectly simulates the Windows disk-format dialog, and cannot be closed or halted until it’s ran its course. Once it’s done, a message will be displayed informing the user that it was just a joke.

fake virus for windows

(4) Fake Delete

This is my favorite because, like its formatting counterpart, Fake Delete mimics the Windows file-delete dialogs. It even goes as far as using your actual file list instead of generic filenames! This also has the “it-was-all-a-joke” screen after it’s done running.

When executing these pranks, please be considerate to whether your intended victim is mildly-panicky or really panicky, and whether your mark has some kind of panic disorder or heart problem. It’s all fun and games until someone goes to the hospital. Otherwise, have fun!

Are you familiar with any cool fake viruses? What are your favorite computer pranks? Give us some of your most evil, yet good-natured, ideas in the comments.

Image credit: rmkoske

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17 Comments - Write a Comment

Reply

Linda Brown Otwel

Television Spy is correct. Although they may seem fun to use, sometimes fakes viruses are more than they pretend to be, especially if you download them from somewhere. But making your own fake virus is fine, as long as you know what you are doing!
Lindas

Reply

Teresa Boardman

This might be a little over the top. Most people can’t handle a virus and would freak.

Reply

Austin

Ah, I see you’ve found RJLsoftware :) I had a lot of fun with that site back in the early 2000s when I was in elementary school :)

Reply

Rajj

hi,
Thx for sharing, i just scared the hell out of my friend now.. Hahha, just amazing and cool

Reply

Hon tap

Really cool. I tested with downloading the 2nd virus, and my Avast Antivirus just shouted out! Wonderful, this maybe a cool gift for my friends.

Thank you very much.

Reply

Steven Finch

Some of these are harsh. Im not really too sure why someone would actually want to do this!

Reply

Ryan Dube

I just have to say – these are a riot. When I was back in school my friends and I would always try to play pranks on each other (back during the DOS days when there wasn’t a whole lot you could do.) Today – fake viruses like these open up a whole new world of possibility for playing some funny pranks on friends…I love it. :)

Reply

Mixtrixx

1st One looks pretty cool, and I guess would convince tecbnically challenged PC Noobs into a total nervous breakdown, after thinking they have just lost all that glorious content that they could never imagine of having the money to purchase such lol!,
However, after quickly running through the Fake Virus Process, and seeing that “C:\Wimdows” got killed off straight away, would it then not be impossible to even sucessfully disable the windows firewall (let alone doing it successfully) lol, but all in all not bad :-).

Reply

Gerald Weber

The first one is epically funny. I think the main thing is knowing the person you are playing the joke on and if they will be a good sport or not. Just use good judgement when implementing these pranks. Not for the faint of heart. Now who should I try this on? hmmmm

Reply

joe B.

Here’s a good one.
open notepad and type
a = msgbox(“Your message here.”, ,”Your box title here.”)
then save as anything.vbs
now you change the icon to what ever, and wait for it to be clicked on.

Reply

Bill

EVERYONE!!! MY FAVORITE FAKE VIRUS!!! MAKES YOUR COMPUTER CD DRIVE OPEN AND CLOSE UNTIL YOU SHUTDOWN!!!

simply copy and paste this into notepad:

set oWMP = CreateObject(“WMPlayer.ocx.7″)
Set colCDROMs = oWMP.cdromcollection
do
if colCDROMs.Count >= 1 then
For i = 0 to colCDROMs.Count – 1
colCDROMs.Item(i).Eject
Next
For i = 0 to colCDROMs.Count – 1
colCDROMs.Item(i).Eject
Next
End If
wscript.sleep 100
loop

now save this as a .vbs file and open it. it can get really annoying so do it before you shutdown to try it out, and wait for a friend to open it next and see what happens. Its more annoying than it is scary.

Reply

Nick D

Dude, I went to the fake format site and Fake Delete thing, and just getting there, ignoring the “Reported Attack Site” thing, Webroot said that I had a virus in my laptop.

Reply

Julie Colidet

These a mean jokes lol… My friend used to pull me that type of jokes in the 90’s…

Reply

Anonymous

Imagine trolling a complete computer noob with all 4 … hed be like “(screams and deafens himself).

Reply

Maddie/ Ethan

The first method is the best. Totally gonna work for the amazing prank we’re gonna pull… c:

Reply

Terence

type this script into batch:
@echo off
:top
start virus
goto top

and name it anything you want, but end it in .bat.
when you run it command prompts will start appearing everywhere, and the only way to stop them is to restart your computer.

Reply

ROzA

This is a fun one!

Type
@echo off
color 0a
:hack
echo echo 010 010 10 01 0100 10 010 10 010 1001 10 010 10 10 010 101110 10 100 100 1011
echo 101010100 100 00100 010 0010 01000010 010 01000100010 01000 0100100 100 01000
echo 101 0100010 1000001 01010 10 0100010 10 0010 010010 0 010 010 0000111001011011
echo 000 010 01010010 010001001 00100100 1010 01001001 0010010 01001000100 00100111
echo 001 0010 10 010010010 010 100 10 01 010 010 010 010 10 010 10 010 10 01010 0
echo 000 010 00 001 0010 00 1000100 10
echo 1111 10 010 01 0010100 10 01001010 1 11 0001 00 001 1 1 01 0100000 1 1 11 1
echo 000 1000 10 010 100 0010 10 01 010 010 10000 010 010 01 10010010010 1001 100
echo 1010010 010 100 010 10 010 10 010 1010 010 01 01 00001 010 01 010 010 10 001
echo 111 11111 11111 11111 11111 11111 1111111 111111111
echo 101010100 100 00100 010 0010 01000010 010 01000100010 01000 0100100 100 011
echo 1111 10 010 01 0010100 10 01001010 1 11 0001 00 001 1 1 01 0100000 1 1 11 1
echo 000 1000 10 010 100 0010 10 01 010 010 10000 010 010 01 10010010010 1001 10011
echo 1010010 010 100 010 10 010 10 010 1010 010 01 01 00001 010 01 010 010 10 0011111
echo 101 0100010 1000001 01010 10 0100010 10 0010 010010 0 010 010 00001110010110111
echo 000 010 01010010 010001001 00100100 1010 01001001 0010010 01001000100 001001111
echo 0000 00 000000000000 000000000000000000 00000000000001111 10 0100000 1000000111
echo 1111111111111111111111111111111111111111111111111111111111111111
goto hack
and name it Matrix.bat. It really looks the part!

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