A look at computer viruses and its different types

Attackers will use a variety of methods to get malware into your computer, but at some stage it often requires the user to take an action to install the malware. This can include clicking a link to download a file, or opening an attachment that may look harmless like a Word document or PDF attachmentbut actually has a malware installer hidden within.

A look at computer viruses and its different types

Such hiccups in computer security software are rare. What isn't rare is the damage caused by the malicious software known as malware that antivirus software is designed to thwart. Last year hackers stole approximately million credit card numbers, according to an Internet Security Threat Report released this month by security software maker Symantec.

David Perry, global director of education for security software maker Trend Micro, is a year veteran of fighting malware. He gave TechNewsDaily a guided tour of malware's trinity, the three most likely sources of malware infection.

Trojans Ground Zero for malware is the Internet itself. The Web is by far the most common vector for malware infection, Perry said. Just looking is enough. Forsaking Internet Explorer and replacing it with another browser such as Firefox won't give you much protection either, Perry said.

Malware is basically equal opportunity when it comes to browsers and browser plug-ins. A Trojan downloader is the most common malicious software to get hit with, he said.

A Trojan is any program that pretends to be something other than what it really is — a downloader is a program that downloads another program. He used the string to drag up a rope and the rope to drag up a basket of stuff.

There is no safe web page. Many Trojan viruses don't slow your computer down or make your cursor go crazy. Like high blood pressure, malware is a silent killer.

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I would call it the Swiss Army Knife of the malware world. It does a lot of things for a lot of people. Until you wake up and find your bank account has been drained, that is, or discover that your ID has been appropriated for use by someone else.

Scareware Fake antivirus programs, which are often referred to as "scareware," is the third and arguably most irritating leg of the malware stool. With scareware, a warning pops up on your computer screen telling you that your computer is infected and attempts to sell you a program to disinfect the program.

This is the ultimate no-win situation. If you click anywhere on the warning, you get infected. If you ignore the warning, it will never go away. And if you fall for the ruse and buy the fake antivirus program, your computer will then become another warrior in the scammer's botnet army.

Many malware programmers expect panicked users to do this, and create fake Task Manager windows that trigger the infection. So how big is the problem?

A look at computer viruses and its different types

Overnew Trojan downloaders are created every day, Perry said. Most computer users aren't knowledgeable enough to deal with the problems themselves without help, he added.Popular Types of Computer Viruses Computer viruses can wreck havoc to the operations of the computer.

A computer virus is a type of malware that is intentionally written to gain entry into your computer, without your knowledge or permission. Jun 20,  · Computer viruses are small software programs that are designed to spread from one computer to another and to interfere with computer operation.

A virus might corrupt or delete data on your computer, use your e-mail program to spread itself to other . The 3 Most Common Types of PC Virus Infections. "Look at the web page and Bang!, you're infected without so much as a how-do-you-do," he said.

Many Trojan viruses don't slow your computer. See the latest information on computer virus attacks and their removal. McAfee is the leader in internet security and virus detection.

Common Types of Cybersecurity Attacks and Hacking Techniques | Rapid7 Glossary Popular Types of Computer Viruses Computer viruses can wreck havoc to the operations of the computer.
Computer Answers For Questioning Minds Enterprise Security A commonly asked question in various forums is whether anti-malware software, such as Emsisoft Anti-Malware also protects against viruses.

Keep up to date on the most recent virus threats, recently discovered viruses and recently updated viruses. hoaxes about computer viruses and worms, and how to recognize a hoax. This post will define several of the most common types of malware; adware, bots, bugs, rootkits, spyware, Trojan horses, viruses, and worms.

Adware Common examples of adware include pop-up ads on websites and advertisements that are displayed by software.

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