This will most likely take a few steps, but lets get rid of the main pest first...
Please download Brute Force Uninstaller
to your desktop.
Right click the BFU folder on your desktop, and choose Extract All
In the box to choose where to extract the files to,
Click on the + sign next to "My Computer"
Click on "Local Disk (C: ) or whatever your primary drive is
Click "Make New Folder"
Type in BFU
Click "Next", and Uncheck the "Show Extracted Files" box and then click "Finish".
3. Right Click Here
and choose "Save As" (in IE it's "Save Target As") in order to download Alcra PLUS Remover.
Save it in the same folder you made earlier (c:\BFU).
Do not do anything with these yet!
Reboot your computer into Safe Mode. You can do this by restarting your computer and continually tapping F8 until a menu appears. Highlight Safe Mode and hit enter.
Once in Safe Mode, go to Start > My Computer and navigate to the C:\BFU folder.
Start the Brute Force Uninstaller by doubleclicking BFU.exe
In the scriptline to execute field type or paste c:\bfu\alcanshorty.bfu
Press Execute and let it do it's job. (You ought to see a progress bar if you did this correctly.)
Wait for the complete script execution box to pop up and press OK.
Press exit to terminate the BFU program.
Reboot into normal windows