Go to Start /Control Panel /Folder Options (click the View tab)and uncheck both the *Hide file extension for known file types & *Hide protected operating system files (Recommended)-boxes, then OK yourself out.
Then go to Start /Search /For Files or Folders option and type in the name of the file: stobject.exe - highlight the file and press Delete...make sure to empty your Recycle Bin.
with avast! antivirus 4.8
Trojan downloader is I think spyware so get spyware doctor or a strong antivirus.
just run a antivirus scan.
Your "up to date" antivirus will remove it.
try free antivirus software AVG
I always use Norton AntiVirus and Symantec. Don't trust programs like Windows Fast AntiVirus.
Trojan Downloader is one of the most dangerous threats. Once this threat is infected with your computer, it is necessary to remove Trojan Downloader at once. There are some tips on how to remove and prevent Trojan Downloader from your PC below.
Yes.
Trojan.avalert is a Trojan Horse program that displays fake Windows and antivirus security messages plus links to websites that are corrupted. From what I have read from the Norton Security Community forums, Norton cannot remove Trojan.avalert.
Run AVG antivirus. You can download it for free at http://www.grisoft.com/us/us_index.php
http://www.ca.com/us/securityadvisor/virusinfo/virus.aspx?ID=62504
IVE just updated my avg antivirus software and run it. It found downloader.briss and removed it to the virus vault.