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Windows 10
Windows 11Be careful with polymorphic viruses
Super polymorphic virus (Metamorphic virus) W32.Sality.PET has stormed Vietnamese computer systems in September 2010 with 380,000 infected computers. According to Bkav's research, this situation is caused by Windows' Shortcut vulnerability 'facilitating' the spread of Metamorphic virus across the board.
This number has doubled compared to July 2010 with only 191,000 computers infected. Discovered in July 2010, Windows Shortcut vulnerability is constantly being exploited by viruses to invade and destroy users' computers.
'As long as the user opens the folder containing the Shortcut file, the virus will automatically infect the computer. Combined with the ability to automatically transform, breed to generate generations of F1 and F2 virus generations, making it more difficult to identify and remove class of anti-virus software ' , Mr. Vu Ngoc Son, Director Bkav's research department described.
However, this virus also has . cure. Users can update to the latest Bkav version at bkav.com.vn to thoroughly remove W32.Sality.PE virus. Users also need to regularly update the patch of software in use to avoid the risk of virus infection.
In last September, according to Bkav's statistics, there were 36 websites of agencies and enterprises in Vietnam that were hacked by hackers, including 20 cases caused by hackers in the country, 16 cases by water hackers. out.
In the month, there were 2,876 new strains of computer viruses appearing in Vietnam. These viruses infected over 5,610,000 times of computers. The most contagious virus in the past month was W32.AutoRunUSB.Worm that infected over 270,000 computers.
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