4 Cool Fake Viruses to Make Your Friends Freak Out

1562608737 b8371e2f2c   4 Cool Fake Viruses to Make Your Friends Freak OutThere’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:

color 0a
@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
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 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 Creating Directory h4x…
cd C:Documents and SettingsAll UsersStart MenuPrograms
mkdir h4x
start /w wscript.exe C:sleep3000.vbs
echo Directory Creation Successful!
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!
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 Virus has been executed successfully!
start /w wscript.exe C:sleep2000.vbs
echo Have fun!
start /w wscript.exe C:sleep2000.vbs
shutdown -s -t 10 -c “Your computer has committed suicide. Have a nice day.”

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

fakevirusbat   4 Cool Fake Viruses to Make Your Friends Freak Out

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.

eicartest   4 Cool Fake Viruses to Make Your Friends Freak Out

(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.

fakeformat   4 Cool Fake Viruses to Make Your Friends Freak Out

(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.

fakedeletequestion   4 Cool Fake Viruses to Make Your Friends Freak Out

fakedelete   4 Cool Fake Viruses to Make Your Friends Freak Out

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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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!

Teresa Boardman

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


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 :)


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

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.

Steven Finch

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

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. :)


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 :-).

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

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.



simply copy and paste this into notepad:

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

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.

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.

Julie Colidet

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