This is not exactly a Trojan, but more a case of adware that gets you annoyed. Adware is software that has a hidden advertising module inside it to connect to a server to download new ads and report back what sites have been visited by the user.
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WNAD-UPDATE.EXE 4) Click on START | RUN, type REGEDIT, and hit the ENTER key. 5) Click on the plus sign next to HKEY_LOCAL_MACHINE. 6) Click on the plus sign next to Software. 7) Click on the plus sign next to Microsoft. 8) Click on the plus sign next to Windows. 9) Click on the plus sign next to CurrentVersion. 10) Click on the Run folder. 11) Click on "WNAD" on the RIGHT window. 12) Press the DELETE key, and hit the ENTER key. 13) Close the REGISTRY EDITOR WINDOW.
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