Virus  A virus is a computer code or program, which is capable of affecting your computer data badly by corrupting or destroying them. Computer virus has the tendency to make its duplicate copies at a swift pace, and also spread it across every folder and damage the data of your computer system. A computer virus is a malicious software program or "malware" which, when infecting your system, replicates itself by modifying other computer programs and inserting its own code. Types Of Virus :- File Infector Virus Multipartite Virus Resident Virus Boot Virus Macro Viruss Overwrite Virus Web Scripting Virus Impact of Virus :- Disrupts the normal functionality of respective computer system. Disrupts system network use. Modifies configuration setting of the system. Destructs data. Disrupts computer network resources. Destructs of confidential data. Infected computer programs may include data files, or even the "boot" sector of the hard dr