Conficker virus: April Fools or Real Threat?


Information from Microsoft regarding Conficker

It could be the biggest April Fool’s joke ever played on the internet, or it could be one of the worst days ever for computers connected to the network. Security experts can’t work out whether the Conficker virus – which has infected more than 10m Windows PCs worldwide – will wreak havoc on Wednesday , or just let the day pass quietly.

Experts have worked out that from midnight on 1 April, the Conficker program will start scanning thousands of websites for a new set of instructions telling it what to do next. The infected machines thus comprise one of the biggest “botnets” – a network of “robot” computers – in internet history. And if they were all given a target, such as simultaneously sending search queries to Google or trying to connect to a gambling site, they could knock it offline through the sheer volume of connections – a “denial of service”. Victims usually discover that they have been locked out of their computers or have very slow-running internet connections.

Ordinary PC users are being advised to keep their anti-virus software up to date and watch for news about the worm. Cluley suggested that the widespread coverage could help lessen the potential impact. “Most businesses appear to have Conficker under control,” he said. “They’ve applied patches and updated their anti-virus software to stem the spread of the worm. Some firms struggled to clean it up quickly – but most have now used some of the free Conficker removal tools available for download from security vendors.”

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