The new variant is detected by existing virus signatures for Code Red, according to the companies, and is blocked by patches for Microsoft's Internet Information Server (IIS), which most administrators installed before or during the original Code...
Security analysts said the new version, W32/Sobig.C-mm, had already reached a "high level" outbreak status by mid-afternoon on Monday. Because of the increasing spread of the virus, McAfee has upgraded its risk assessment of Sobig.C to medium.
The proliferation of virus scares over the past couple of months represents a return to the bad old days of an outbreak every week, according to one leading anti-virus expert. Coupled with the recent outbreaks of Fizzer and the Sobig variants, Jack...
Anti-virus firm MessageLabs said it still rates mimail as a 'high-level' threat and has blocked over 76,000 infected messages since the outbreak on 1 August. Mimail broke over the weekend and UK businesses awoke on Monday to find email servers...
The ensuing outbreak resulted in 1,100 computers compromised with Sasser, said Scott Conti, network operations manager for the university. The worms infect vulnerable systems by establishing a remote connection to the targeted computer, installing...
Incidents involving the malicious code, also known as "bot" code, reached 13,000 from April through June, according to a report from antivirus software maker McAfee. McAfee estimated that 63 per cent more machines were exploited by bot programs and...