Windows-Lock

As we use programming language for making useful softwares we also can use it to make a harmfull softwares thats will encrypt or damage files or even make me lose my machine partially of fully lose like ransomewares that will encrypt your files in a particular image then ask you for money to decrypt it again for you .

acually windows platform as an operating system unless there is permenant update the system will be in dangrous because there is every day vulnerabilities are discovered and exploited  

in this article i ll give you a practical project i executed it and tryed it on a machine with win 7 i tried it by two ways :

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but firstly what is this software: 

its exe program that can be installed or even run automatically by just clicking it or making it act like a service that will start autmatically every time pc will be shutted down and start again then you will find Full black screen or what ever its color but black screen to seem as you have been hacked :) in this github link you can download it but this is a setup version not running version thats mean it should be installed on pc machine 

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-- C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp

this path is the most dangrous path because if you putted and program here it will run automatically when windows start so i putted that program in this path so when user plug power off then start again it will run agian and lock the screeen this in case of running it from bin folder in cae of you do not want to install it 

in case of installing i added a c# code to this program that will make it run again every time you shutdown or restart the pc 

as it a program what if user tried to press alt+f4 or ctrl+alt+del

in this case pc will shutdown autmatically then when it will start again program will start again 

the purpose of this program for usuall users is to make windows as an Operating System to be down :) 

and because it for learning purpoese i added a textbox and button that you can write password actually it s "1234" to login easilly but what if you dont know the password ?!!? 

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also i putted it on a CD and make it autorun for a batch (.bat) as soon as CD run in the CD Room that batch will copy all files in the startup path so program will run as soon as pc start and lock your screen so there will be no control on your pc 

the good news is antivirus can not doscover it as a dangrous program because it seems so .