antivirus (3)
Not all computer viruses immediately crash your device in a dramatic display. A virus can run in the background, quietly creeping around on its tip-toes, stealing things and messing things up along the way. If your computer has a virus, here’s what may happen:
- Windows suddenly shuts down.
- Programs automatically start up.
- Some programs won’t start at your command.
- The hard disk can be heard constantly working.
- Things are running awfully slow.
- Spontaneous occurrence of messages.
- The activity light on the
A rootkit is a kind of software that conceals malware from standard detection methods. A good analogy for a rootkit would be a burglar breaking into your house. The burglar is dressed all in black, so that his form blends into the darkness. He tiptoes around to hide his sounds so he’s more likely to go undetected as he steals your belongings. But unlike the burglar, who usually takes your stuff and leaves, an efficient rootkit can stick around for years doing its work, robbing your computer or m