You’ve Got a Virus!

  How to remove stubborn PC viruses This article was prompted by my experience the past two days with disinfecting one of my customer’s computers. He had managed to pick up the Trojan:Win64/Sirefef.Y infection, which typically produces this dialog box: It also prevents the Windows Security Center from running, shuts off the Windows Firewall, and… Continue reading You’ve Got a Virus!

Yahoo Instant Messenger: The Virus du Jour?

The latest social-networking virus going around is being spread through Yahoo Instant Messenger. One of your contacts sends you an IM (“instant message”) asking “is this your pic” with a link which contains the string www.facebook.com – but if you actually read the link, it’s pointing to someplace in the .ly domain. That’s Libya – not exactly a friend to Western nations.

How to prevent or remove PC virus infestations

Section I: Why are we here, or, how did we get into this mess? Microsoft Windows is the operating system of more than ninety percent of the personal computers connected to the Internet. It’s also the least secure operating system available, because it was designed before the advent of the public Internet, and after Internet… Continue reading How to prevent or remove PC virus infestations