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What is a Worm?
Computer Worms are viruses that reside in the active memory of a computer and duplicate themselves. They may send copies of themselves to other computers, such as through email or Internet Relay Chat (IRC).

What is a Trojan Horse?
A Trojan horse program is a malicious program that pretends to be a benign application; a Trojan horse program purposefully does something the user does not expect. Trojans are not viruses since they do not replicate, but Trojan horse programs can be just as destructive. Many people use the term to refer only to non-replicating malicious programs, thus making a distinction between Trojans and viruses.

About McAfee VirusScan - There are many Antivirus options to choose from, however we continue to feel that consumers are wise to stick with the well known and globally recognized leaders in Antivirus PC protection. McAfee continues to impress us with Always up to date virus definitions due to the outstanding dedication of their McAfee Avert Research team. Everyone on the net needs Antivirus protection, and McAfee provides all the essential protection tools needed for both personal and enterprise use. Editor

That's why McAfee VirusScan—trusted by millions worldwide—automatically scans your email, attachments and downloads, then immediately starts to clean infections. Easy to download, install and use, McAfee VirusScan also automatically checks for virus updates (included FREE with your one-year coverage) whenever you go online, so your protection stays up-to-date against the latest Internet threats.

No wonder in Smart Computing's latest anti-virus round-up, McAfee VirusScan came out No. 1—beating competing anti-virus products from Norton, Trend and others.

Read more about McAfee VirusScan at McAfee Official Site

McAfee VirusScan Benefits

New! Email Scanning - VirusScan automatically scans inbound (POP3) and outbound (SMTP) email and email attachments for most popular email clients, including Microsoft Outlook, Outlook Express, Netscape Mail, Eudora, Pegasus and others.

New! Instant Message Scanning - VirusScan scans Instant Message attachments sent via AOL Instant Messenger, Yahoo Messenger and Windows Messenger.

New! ScriptStopper™ - Many of the fastest spreading viruses, like I Love You, use scripts to infect your PC. ScriptStopper detects then stops these threats.

New! WormStopper™ - WormStopper stops mass-mailing worms like Sobig by detecting activity that may indicate a new, undetected worm is active on your PC. Like email sent to more than 40 recipients or more than five emails sent in less than 30 seconds.

New! Detects Spyware - Protecting loss of data and privacy, VirusScan detects potentially malicious desktop applications like spyware, adware, Web dialers and more.

New! Windows Explorer integration - Access VirusScan directly by selecting files and clicking the VirusScan icon in the Windows Explorer window.

New! AutoClean - VirusScan automatically attempts to clean virus-infected files when a malicious threat is detected.

New! MS Outlook Scanning - VirusScan integrates directly on the MS Outlook toolbar for instant, on-demand scanning of older email or folders.

New! Silent Updating - VirusScan silently updates virus definitions (DATs), without interrupting your work, ensuring your computer is always up-to-date.

New! Submit Files to AVERT™ - VirusScan sends suspicious files directly to the McAfee Antivirus Emergency Response Team (AVERT) for assessment.

Virus Map & Information Library - See how the latest threats are infecting computers worldwide, then research them via direct links to the McAfee Virus Information Library.