Author : Govind Kumar Thakur 1
Date of Publication :30th November 2017
Abstract: Computer virus refers to a program which damages computer systems and destroys or erases data files. It has the Capability to copy itself and infect a computer without the permission or knowledge of the owner. The different types of computer viruses are Trojan Horse, Boot Sector Virus, DOS Virus, Worm, Time Bomb and Logical Bomb. Viruses can be spread through email and text message attachments, Internet file downloads, social media scam links, and even your mobile devices and smartphones can become infected with mobile viruses through shady App downloads. Viruses can hide disguised as attachments of socially shareable content such as funny images, greeting cards, or audio and video files. The most common symptoms of computer viruses are Your computer slows down without any reason. Your computer system has the less available memory than it should, Unknown programs or files are being created, Programs or files become missing, Corrupted files, your computer restarts in unusual ways. Some files or programs suddenly don’t work properly, Strange messages, displays, music or sounds, Changed Hard Drive name or Volume name, Hard Drives or Disk Drives are inaccessible.
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