Do you have virus protection on your computer? If not, I recommend downloading for free AVG Virus protection. Have it scan your computer and see if it will remove the alemod trojan.

I did a google search of this trojan, and it seems to be about a year old. See if you can find any online help from one of those sites to see if they have any step-by-step process of removing it manually. Other than that, this seems to be right up the ally for Sam and clout