
Empire of the Trojan...
By Victoria Ho
Published: 4 September 2007 08:31 BST
China is host to almost half of the world's malware-infected websites.
According to a report released by antivirus company Sophos, China - including Hong Kong - hosted 44.8 per cent of the world's infected sites in August 2007. The US ranked a distant second, hosting 20.8 per cent of websites that contain malicious code.
The number of infected web pages has also grown. Sophos said it detected an average of 5,000 new infected pages each day in the month of August.
The company warned that simply staying clear of sites hosted in the top three countries of China, the US and Russia was not an effective method of avoiding malware.
Carole Theriault, Sophos senior security consultant, said in a statement: "While more than three-quarters of infected web pages are hosted in just three countries, that doesn't mean you only get hit if you visit websites based in those areas.
"Hackers are hijacking websites around the world to make them point to malware on sites based in China, the US and Russia. Cyber criminals don't discriminate when it comes to targeting the web."
Sophos also warned against a sharp rise in spam pointing people to these infected sites. Malicious senders, in an attempt to bypass attachment virus scanners, are using messages that direct users to websites with malicious code. Computers get infected when users click on the links in the email message.
Theriault said: "Most malware writers... are using spam and the web to infect users. Criminals are hard at work trying to slip past filters at the corporate gateway."
June saw a spike in spam hosted on Chinese domains, when the figure rose from almost zero to 450 spam domains.
Victoria Ho writes for ZDNet Asia
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