A 3-year-old virus may damage some PCs Thursday when it's set to strike again. Known as CIH, or the more dire-sounding Chernobyl, the virus first hit a month after the Melissa virus three years ago ...

The Klez worm just keeps on giving. The persistent pest, which made a strong comeback last month in the form of the Klez.h variant, is now helping revive the Chernobyl virus, according to a new report ...

The "Chernobyl" bug could cause serious damage to PCs running Windows, but free antivirus software can head it off. Experts warn a malicious computer virus is set to strike Monday that can erase a ...

"Kriz," a year-old computer virus, may be coming back for Christmas this year, thanks to its ability to piggyback on other viruses and spread with them. The Kriz virus, also known as the "W32.Kriz," ...