This virus, called Xombe (or Dloader-L), is transmitted as an executable file attached to spam emails sent from the impostor's address windowsupdate@microsoft.com. And it will automatically infect the computer if the user unintentionally opens this file. After entering the computer, Xombe will connect to a Web site to download and install another program called Mssvc-A, which is also another Trojan horse that performs DoS attacks (Denial of Service to some other sites. Xombe is a bit difficult to detect by antivirus software. Because it is not really a traditional virus, which spreads and destroys. Xombe is only spread through spam emails impersonating. Users should note that the body of the e-mail message reads: "Window [sic] Update has determined that you are running a beta version of Windows XP Service Pack 2. To help improve the stability of your computer , Microsoft recommends that you remove the beta version of Windows XP SP1. " The email recipient will then be instructed to run the winxp_sp1.exe file in the attached file along with a reboot of the computer. The antivirus software has been updated companies Xombe Trojan, and they also guide ways to eliminate this type of Trojan from the infected computer. For more information, you should visit the website of the manufacturer of the antivirus program that you are using. You should also keep in mind that Microsoft regularly uses email to report security vulnerabilities, new updates in their software, but they never attach files to emails as Xombe did. Most Microsoft software is updated through the Windows Update, Microsoft Office Update, or Microsoft Download Center.
