Ja den gør jo ikke dig skade, når AVG klarer skærene, men:
Her er forklaringen fra Norton:
http://securityresponse.symantec.com/avcenter/venc/data/w32.spybot.worm.html
Jeg ved ikke hvilken Windows du har, men her er ovenstående sides removal instruktion:
Windows XP :
Click Start, and then click Search.
Click All files and folders.
In the "All or part of the file name" box, type, or copy and paste, the file names tftp*.*
Verify that "Look in" is set to "Local Hard Drives" or to (C:).
Click "More advanced options."
Check "Search system folders."
Check "Search subfolders."
Click Search.
Delete the files that are zero-bytes and contained within any folder that ends with "Startup."
Windows 95/98/Me/NT/2000
Click Start, point to Find or Search, and then click Files or Folders.
Make sure that "Look in" is set to (C:) and that "Include subfolders" is checked.
In the "Named" or "Search for..." box, type, or copy and paste, the file name, tftp*.*
Click Find Now or Search Now.
Delete the files that are zero-bytes and contained within any folder that ends with "Startup."
VH Palle Hansen