Today we learn how the antivirus works. And also how to remove viruses from our computer.And by this you can delete a file that you cannot delete directly from delete button.Sounds amazing , i think so...
As you learn how to make a virus from my previous blog, if you did not then please try that before trying this.Step 1- Copy that virus into c drive. The name of your virus is xyz i dont know but i assuming it as "virus".
Step 2- now if you know how to hide a file than hide the file virus.(go to virus properties by right click on it and check the hidden box).
Ok know we have made a perfect virus file cz virus files are also a hidden files.
We have to delete that virus as antivirus do.
Step 3- open cmd, press windows key+r and type cmd or do it directly by going to start and type cmd in search bar.
Step 4- Type in cmd-
cd\ enter(press it don't type enter).
dir \ah. enter
you see all the hidden files in the directory c and the one your virus file also.
CZ ALL VIRUS ARE HIDDEN IN DIRECTORIES.
type continue..
attrib -s -r -h -a "virus.bat" /s /d enter
this is for if the virus file is system file, read only file, hidden file, archive file then this will remove all these attributes from your file.
now you can see your hidden virus file in c. Oh its interesting , i have remove the attribute hide directly only by typing.
type continue..
del "virus.bat" /f enter.
the virus file will be deleted in just four commands .......!
Ok you have learnt the things that i promise in first three lines. The last i show you if you don't understand yet that is how antivirus work . When we scan files from antivirus then it scan the files as if any file contain hidden file and if it then it remove the attributes of -h -s -r and then delete it. This method is very basic but the antivirus contains so advanced methods.
NOTE - THIS METHOD WORKS ONLY IN WINDOWS XP NOT IN WINDOWS 7 & 8 AND THE REASON BEHIND IT IS .......(see in my next post).
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