Viruses Flashcards

(11 cards)

1
Q

What is a Computer Virus?

A

Malicious code that runs on a machine without the user’s knowledge

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2
Q

What is a Boot Sector virus?

A

A virus that is stored in the boot sector of a hard drive and is then loaded into memory whenever the computer boots up

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3
Q

What is a Macro virus?

A

A virus that is implanted inside another document so that when that document is opened by the user, the virus is executed

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4
Q

What is a Program virus?

A

Tries to find programs or application files to infect with their malicious code

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5
Q

What is a Multipartite virus?

A

A virus that can both place itself in the boot sector and install itself in a program, where it can be run every time the computer starts up

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6
Q

What is an Encrypted virus?

A

Designed to hide itself from being detected by encrypting its malicious code or payloads to avoid detection by any antivirus software

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7
Q

What is a Polymorphic virus?

A

Advanced version of an encrypted virus, but instead of just encrypting the contents it will actually change the virus’ encryption code each time it is executed by altering the decryption module in order for it to evade detection

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8
Q

What is a Metamorphic virus?

A

Able to rewrite themselves entirely before it attempts to infect a given file

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9
Q

What is a Stealth virus?

A

Technique used to prevent the virus from being detected by the anti-virus software

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10
Q

What is an Armored virus?

A

Have a layer of protection to confuse a program or a person who’s trying to analyze it

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11
Q

What is a Hoax virus?

A

A false warning or message that attempts to scare our end users into taking some kind of undesirable action on their system

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