Delete Conhost.exe Completely---Trojan Threat Removal

My computer has been infected with a virus called Conhost.exe. I have Kaspersky anti virus but it has been unable to remove it. Does anybody have any suggestions on how to eliminate this tricky trojan? Is there a program I could use? Please help me!

 Details about Conhost.exe 

Conhost.exe is an extremely dangerous Trojan virus that created for the purpose of hacking users' computer system. It can be distributed via spam emails, pornographic websites and various freeware programs. Once infected, your computer will become very slow and sluggish.

Remove Trojan ---TRJ.DealWare.Stealth Removal Guides

Recent days I received a popup alert which said:  

WARNING! TROJAN (TRJ.DealWare.Stealth) HAS BEEN INJECTED INTO YOUR COMPUTER
You must call this toll free number 1-855-534-2995 now.
The new Trojan (TRJ.DealWare.Stealth) cannot be detected by current virus software. Failure to immediately call the number provided will result in computer failure…


More information about TRJ.DealWare.Stealth

Typically, TRJ.DealWare.Stealth is a Trojan that can send fake virus alert or system alert scam. The purpose for it is to scare you and cheat you to pay for money. Once infected with it, your computer will be in chaos.