fun.exe dc.exe sviq.exe

Friends i m fed up of this viruses fun.exe dc.exe sviq.exe even if i
remove it from the task manager it comes back even if i go in safe mode
and delete their respective folder in c: drive and delete from task
manager they are againshown in task manager can i remove this viruses.
( if possible provide the solution without using antivirus )

Also i have problems with regsvr.exe,wscript.exe,winhelp.exe

[Malware Removal Specialist]

Download and rename HijackThis (HJT)

• Double-click on HJTInstall.
• Click on the Install button.
  
• It will automatically place HJT in C:\Program Files\TrendMicro\HijackThis\HijackThis.exe.
  
• Upon install, HijackThis should open for you.
• Close HijackThis and rename it.
  
• Go to C:\Program Files\Trend Micro\HijackThis.exe
  
• Right click on HijackThis.exe and select Rename.
  
• Type in sniper.exe and press Enter.
  
• Right-click on sniper.exe and select Send To > Desktop (create shortcut)
  
• From the desktop open Hijackthis.
• If using Windows Vista, Right-click and Run As Administrator.
  
• Click on the Do a system scan and save a log file button
  
• Hijackthis will scan and then a log will open in notepad.
• Copy and then paste the entire contents of the log in your post.
  
  • Do not have Hijackthis fix anything yet. Most of what it finds will be harmless or even required.

Although we have renamed Hijackthis to sniper, we will still refer to it as Hijackthis or HJT.