A new Worm spreading through Yahoo Messenger & Skype.
Yahoo Messenger and Skype users needs to be very careful before clicking on the link received from relatives or even his friends.
How it can enter in your system :
The Worm can enter your system via various messages that you would be receiving with the Yahoo or Skype IM. Like these messages “Does my new hair style look good? bad? perfect?” or “My printer is about to be thrown through a window if this pic won’t come out right. You see anything wrong with it?” . The message guide you to a web page or a rapidshare download & download file contains the worm W32.Skyhoo.Worm
Once entered in your system, worm automatically sends malicious links to your Skype or Yahoo Messenger contacts & also infect your MS Word and Excel files.
How it is spreading :
Yahoo IM and skype users receives a message from a contact to download photo but it is malware instead of photo that installs a backdoor on Windows systems and spreads to a victim’s IM contacts.
The link represents a file ending with. JPG as making people think it is an image file.
If the user clicks on the link, an executable file will be downloaded. If the user runs the file, the computer will become infected and the malicious message will be distributed to all of the IM contacts.
According to Symantec, “Once run, the worm copies itself to %WinDir%\infocard.exe, then it adds itself to the Windows Firewall List,” modifies registry keys, and stops the Windows Updates service.
According to Bkis the “W32.Skyhoo.Worm,” disappears if the computer does not have Skype or Yahoo Messenger installed.
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