Last week, law enforcement agencies across the world, including the FBI, co-operated to shut down the servers behind the GameOverZeus trojan. This particularly nasty piece of malware steals your passwords from a variety of web sites, including banks, in order to try to take your money.
Experts were warning that the criminals behind the servers, to which the malware sends details of the passwords it finds, will probably get them back up and running within 2 weeks, and urged everyone to ensure that their PC protection was up to date. So if you haven't checked your antivirus software in a while, or if your subscription has expired, now might be a good time to do something about it.
F-Secure has set up a web site which, the company claims, can tell you whether your PC is infected by the GameOverZeus malware. The malware works by intercepting your web browsing and, if you surf to any sites which contain the word Amazon, Ebay etc. inject some additional code into the page which captures your password and sends it to the hackers' server. F-Secure have, therefore, set up a harmless page on their own web site, the address of which happens to contain the word "Amazon". When your browser takes you to that page, their server checks whether the page you viewed has been altered to include the malware code. If it has, it's a fair bet that your PC has the malware.
So to find out whether your computer is safe, just head to http://campaigns.f-secure.com/en_global/zeus/ols/ in your web browser and wait a couple of seconds. The test is perfectly harmless, and will tell you instantly whether your PC is likely to be safe or not.
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