Computer Worms and Viruses

malicious computer program created by a user with objectives to harm or steal another’s property

• computer virus

• host program

• piggybacking

• payload

large, frequently run program the virus is attached to

• computer virus

• host program

• piggybacking

• payload

act of a computer virus attaching itself to another computer program

• computer virus

• host program

• piggybacking

• payload

malicious activity a computer virus or worm is designed to perform

• computer virus

• host program

• piggybacking

• payload

independent program which multiplies itself by copying a segment of itself onto another computer

• stealth virus

• trojan horse

• network worm

• computer worm

computer worm which copies different segments of itself to computers linked together in a network

• stealth virus

• trojan horse

• network worm

• computer worm

computer worm which copies itself to another computer in a network and then deletes itself completely from the previous computer in which it was contained

• stealth virus

• trojan horse

• host worm

• computer worm

malicious program disguised inside another program which seems beneficial or harmless

• stealth virus

• trojan horse

• host worm

• computer worm

virus in which if anyone attempted to view an infected sector, the virus would replace it with the clean, original version of the sector

• stealth virus

• trojan horse

• host worm

• computer worm

virus which copies itself onto a computer off of a disk when the computer is booted up; when someone else inserts a disk into the computer, the virus is downloaded

• stealth virus

• trojan horse

• host worm

• boot sector virus