The MyDoom computer virus knocked out SCO Group's Web site on Sunday in the U.S., and the company expects the massive denial-of-service attack to continue until February 12.
The SCO.com Web site returned to the Internet last week after suffering a denial of service attack that lasted for more than a month.
A new variant of the MyDoom worm discovered on Tuesday downloads malware from an MP3-downloading site and a personal Web site, according to security experts, who claim that hackers have compromised these sites by exploiting scripting vulnerabilities in their guestbooks.
MyDoom is arguably the most successful mass mailing worm in history. One year after it was discovered, MyDoom has spawned more than 30 variants and is still evolving.
Another variant of the MyDoom worm, which spreads by sending copies of itself using its own SMTP engine and harvesting potential e-mail targets from search engines such as Google and Yahoo, was spreading quickly on Thursday.
A new variant of the MyDoom worm discovered on Tuesday downloads malware from an MP3-downloading site and a personal Web site, according to security experts, who claim that hackers have compromised these sites by exploiting scripting vulnerabilities in their guestbooks.
The Bagle computer virus has almost finished off the alphabet. Virus writers' penchant for modifying the source code for the program has resulted in four new variants--Bagle.Q, Bagle.R, Bagle.S and Bagle.T--in the past two days, antivirus firms said on Thursday.
Virus writers seem to be trying every trick they can these days to infect our computers, but we can fight back. How? For starters, says Robert, try updating Windows frequently.
A new variant of the MyDoom worm, described variously as MyDoom.Q or MyDoom.O, was discovered on Tuesday that uses Yahoo's People Search to find new email addresses.
See how Netsky, Bagle, and Mydoom variants have been causing havoc for corporate mail systems and learn how to blunt their attacks. Additional reading: Antivirus Resource Centre
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