FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -"Malware” is short for malicious software and used as a single term to refer to virus, spy ware, worm etc. Malware is designed to cause damage to a stand-alone computer or a networked pc. So wherever a malware term is used it means a program which is designed to damage your computer it may be a virus, worm or Trojan.

Detailed explanation-2: -A virus is a computer program that replicates itself by modifying system or application software and then traveling from computer to computer, via disks or a network. Most viruses are harmless, but some viruses can erase files on your hard drive, slow down your computer, or do other kinds of damage.

Detailed explanation-3: -If you’re interested in making executable viruses, C or C++ is a good place to start. If you want to make macro viruses, learn the macro language for your target programs such as Microsoft Office. Visual Basic can be used to create malicious programs for Windows users.

Detailed explanation-4: -Once the virus attaches itself to that file or program (aka, the host), they’re infected. When the infected application or file runs in the computer, the virus activates and executes in the system. It continues to replicate and spread by attaching replicas of itself to other files and applications in the system.