My wallpaper just changed into a new one with ” click here to SCAN YOUR PC FOR SPYWARE”?

HELP,
PLUS EVERY NOW AND THEN A INTERNET EXPLORER WINDOW POPS IN TELLING ME TO BUY AN ANTI SPYWARE

DO NOT CLICK TO SCAN – IT IS A TROJAN

Free – For starters, download, update and run a full scan using SuperAntiSpyware (SAS) http://www.superantispyware.com/
SAS is an exceptionally easy to use application that will remove the majority of difficult Trojans and Worms, not just the easy ones. In addition it has the ability to remove Vundo and Smitfraud infections. SAS can lock your home page to prevent browser hi-jacking attempts.

If possible it is recommended that you load SAS in normal mode but run it in Safe Mode. Safe Mode can be started by continually pressing F8 during the boot sequence. If you are badly infected you might need to run SAS more than once to help clean your system. Afterwards if the only infections now being shown are in System Restore, once you are completely satisfied that you can boot normally, you can either delete the infected restore points manually, or temporarily turn off System Restore to purge the files.

Assuming you have some real awkward infections that persist even after trying the above I suggest you download a dedicated Smitfraud removal program from either of these locations:

http://siri.geekstogo.com/SmitfraudFix.php

http://www.afterdawn.com/software/desktop_software/desktop_security/smitfraudfix.cfm

If possible run in Safe Mode.

Likewise the dedicated VundoFix:

http://vundofix.atribune.org/

Good luck & safe surfing.

wdw

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