Science Creating undetectable computer virus 'surprisingly simple' Andre Mayer · CBC News · Posted: May 30, 2012 12:39 PM PDT | Last Updated: May 30, 2012 ...

A computer virus impersonating law enforcement and using scare tactics to scam people out of their money is attacking hundreds of computer users in the Central Okanagan.

From macro viruses and boot sector viruses to droppers and packers, here’s a look at 9 common virus types, what they do, and the function they perform for attackers.

Having a host is necessary for a computer virus for self-replication. And also, since it cannot act on its own, it needs a necessary action by the user to trigger it.

Boot sector virus: As the name suggests, boot sector viruses sneak into your boot sector (responsible for loading your computer’s operating system upon startup) to infect your memory right away.

Six signs of a computer virus 1. Slow performance If you’re questioning whether your computer has a virus, observing its performance is one of the first tell-tale signs.

Anti-virus programs are a cost-effective way to safeguard your computer. Many are free and offer essential protection by detecting, quarantining, or deleting malicious code to prevent damage.

Subjects infected with virus performed 7 to 9 points lower on attention tests. — -- The next time you lose your keys or bomb a test, try blaming it on a virus. Researchers from Johns Hopkins ...