VTutor Virus Types

Rewrite and Redirect

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Most rewrite and redirect attacks are directed against the HOSTS file(s) on infected machines. The HOSTS file is used by an operating system (not just Windows) to point to nodes on a computer network; including telling the OS how to point to various websites.

Denial-of-Service

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A denial-of-service attack (DoS attack) or distributed denial-of-service attack (DDoS attack) is an attempt to make a computer resource unavailable to its intended users.

What Malware Does

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Not all computer viruses are designed to be destructive. They all do, however, use various resources that could be put to other uses by a computer so in that regard, all computer viruses and other malware have some effect on a computer.

Stages

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An E-mail worm believed to be the first to use the scrap file format to spread.

Pretty Park

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This is a combination beast: a worm, a password-stealing Trojan, and a backdoor.

Nimda

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Nimda was one of the more complex virus/worm constructs released.

Melissa

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Melissa is a combination Word macro virus and E-mail worm.

Love Letter

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Love Letter is a VBS worm that spread widely around the world simply because people were too curious for their own good.

Laroux

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Laroux became the first Microsoft Excel macro virus and opened up yet another data file to worry about.

Kakworm

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Kakworm takes advantage of a security vulnerability in Microsoft's Internet Explorer browser and Outlook Express mail program.