The Register (UK) reports that virus writers are now using rootkit techniques. Snippet:
Virus writers have begun adding rootkit functionality as a component of commonplace malware such as MyDoom and Bagle. Rootkit technology is designed to hide the presence of malware on infected systems. Originally the technology featured only as a component of more sophisticated and exotic forms of malware. Now the technology has moved into the mainstream, anti-virus firm F-secure reports.