| Though viruses are mushrooming at a faster rate than | | | | of the executable files. The identifiers rely on the fact |
| vaccines still there are very good and reasonable | | | | that when the replicates, it makes a copy of itself. |
| anti-virus software to assist its users to keep their | | | | Vaccination : |
| computer system virus free. At present, the following | | | | The vaccinators inject some code into the executable |
| are the most popular anti virus software: | | | | files. When the vaccinated file is run, the injected code |
| Norton anti virus | | | | performs an integrity check on the program being |
| Dr.soloman | | | | executed and warns if any changes have been made. |
| PC clean | | | | Inoculation : |
| The function of anti-virus software is to perform one | | | | The inoculators insert the virus signature into infected |
| or more of the following functions: | | | | areas or files at appropriate location. When the virus |
| Prevention : | | | | performs their self detection, they find their signature |
| Anti-virus programs may be preventive or restorative. | | | | and believe that the memory/disk/file is already |
| Preventive techniques include stopping attempts at | | | | infected and so do not infect. |
| direct access such as formatting and deleting, or even | | | | Damage control : |
| write protecting the hard disk while testing familiar | | | | The better equipped anti-viral programs are also |
| software. The restorative process is achieved by | | | | capable of controlling damages caused due to virus |
| maintaining a copy of CMOS information, boot sector | | | | attack. |
| information, the file allocation table, etc., in a safe area | | | | Bureau 24 is the leading source for Tech Services in |
| like a floppy. | | | | Las vegas , Nemesis Computers and Servers, Web |
| Detection : | | | | Design las vegas, Tech Support, Aegis DVR |
| The detectors warm the user of the presence of a | | | | Surveillance Systems and SEO in Las Vegas |
| virus after it is loaded into the machine or disk. These | | | | Article written by Bureau 24 . |
| programs maintain a file with a list of checksum values | | | | |