Although the Sir Cam virus will detonate its payload tomorrow, security experts have told vnunet.com that there is little chance of widespread damage.
Sir Cam was programmed with a 1 in 20 chance of deleting all files on an infected host on 16 October. A second payload is also set to fill infected hard drives with junk data.
But the most significant attribute of the virus is its ability to forward on documents located on an infected host, potentially breaching the Data Protection Act.
However, antivirus companies are debunking reports that the Sir Cam virus, which hit networks in June and July, is set to cause destruction tomorrow. In fact, a common theory is that the outbreak of the Nimda worm, which overshadowed Sir Cam, prompted administrators to update their security systems.
The experts now think that a majority of users will be safe from attack.
"There's been a lot of false information on Sir Cam activation because the code is so complex to analyse," said Mikko Hypponen, research manager at antivirus firm F-Secure.
"Sir Cam is one of the most common viruses out there, so it's no wonder people are worried. However, this Tuesday won't be special in any way regarding this virus," he said.
Graham Cluley, of antivirus company Sophos, said the outbreak of Nimda may well have caused more damage to other worms and viruses such as Sir Cam by forcing admins to patch up their systems.
In related news, there are growing reports of Nimba-like attacks on the increase. The SANS Institute reports that there is a current increase in "strange Nimda-like traffic".
What is causing some confusion is the fact that "the requests are similar, but not identical to regular Nimda probes."
Administrators on a variety of security newsgroups have reported seeing "three to four times the number of hits that I've seen in weeks past", while others have experienced "more hits so far today than I've had in the last week."
According to SANS, the new attacker is yet another mutated variant of the Nimda worm, known as Nimda.C.
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