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Tech Support Chap 12

Tech Support Chapter 12

Antivirus Software Protects a computer against infection by identifying and removing any malicious logic programs in memory, in storage, or on files coming in as e-mail attachments
Back Up Making a copy of a software/files/etc.
Boot Sector Virus Replaces the boot program used to start the computer system with a modified, infected version of the boot program
Child, Parent, Grandparent Backup Method Child: Daily Parent: Weekly Grandparent: Monthly
Computer Virus A program designed to infect a computer and replicate itself by attaching itself to other programs
Diagnostic Software Identify hardware problems
Differential Backups Backs up files that have changed or been created since the last full backup
Disk Cloning The creation of a complete image or copy of a computer’s hard drive, usually used to deploy a new operating system with application software on multiple computers in a corporate network or educational computer lab
Disk Imaging Single file or storage device containing the complete contents and structure representing a data storage medium or device, such as a hard drive, tape drives, floppy disk, CD/DVD/BD and key drive
Encrypting Virus Can transform itself into a nonreplicating program to avoid destruction by antivirus program
File Virus Inserts virus code into program files or executable files
Full Backup Backs up all data from the hard drive or a directory or folder of the hard drive
Incremental backup Backs up only files that have changed or been created since the last backup
Initialization files The root directory of the hard drive should contain only folders and system startup files
Inoculate A process used by an antivirus program to copy a program file, which records information such as file size and file creation date in a separate file.
Logic bomb Bomb is a program that is activated when a certain condition is detected
Macro A shorthand representation for a number of lines of code.
Macro Virus Uses the macro language of an application to hide virus code
Malicious Logic Program That replicates by creating copies of itself, either on one computer or any number of computers on a network
Malicious Software Program Any software that gives partial to full control of your computer to do whatever the malware creator wants. Malware can be a virus, worm, trojan, adware, spyware, root kit
Master Boot Record (MBR) Viruses Attack disks in the same manner as boot sector viruses
Memory-Resident Virus A virus that stays in memory after it executes and after its host program is terminated. In contrast, non-memory-resident viruses only are activated when an infected application runs.
Multipartite Virus Has characteristics of a boot sector virus and a file virus
Non-Memory-Resident Virus A virus that independently searches for and infects new targets on a computer system, rather than installing itself into memory and infecting executable files launched by the user.
Payload The destructive event or prank the virus was created to deliver
Polymorphic Virus Changes its distinguishing characteristics as it replicates
Polypartite Virus Infect both boot records and program files
Quarantine Makes the virus not be able to work
Stealth Virus Actively conceals itself
Time Bomb A type of logic bomb that is activated on a particular date
Trojan horse A destructive program disguised as a real application, such as a screen saver
Utility Software A program that performs a specific task, usually related to managing system resources or identifying a problem with a PC
Virus Definition Unique string of bits, or the binary pattern, of the machine code of a virus
Virus Hoax An e-mail message that spreads a false virus warning, usually in chain letter fashion, from person to person
Virus Signature Known pattern of virus code
Virus A program designed to infect a computer and replicate itself by attaching itself to other programs
Worm A malicious logic program that replicates by creating copies of itself, either on one computer or any number of computers on a network
Created by: Cory Smith