What is Trojan.Agent.cn?
Trojan.Agent.cn is a trojan infection which sneaks into computers without users’ knowledge and permission. Once it invades your PC, your computer gets poor Internet connection and system performance. And you will also face unexpected computer freezing and system crash issues. The Trojan can affect your normal programs terribly, for example it may block the anti-virus program and prevent some programs installed on the computer from running normally. That's why the security tools don't work. It is suggested you delete Trojan.Agent.cn manually if you are experienced on virus removal.Symptoms of Trojan.Agent.cn infection
1. Infection warnings always show up on computer screen when Windows starts.2. Computer performance becomes slow.
3. Various system errors occur.
4. Web browser may be hijacked and redirected.
How to delete Trojan.Agent.cn manually?
Step 1. Start your PC and tap F8 key constantly before Windows loads, Windows Advanced Options Menu will appear in computer screen. Highlight Safe Mode with Networking with the up and down arrow keys and then press Enter.Step 2. Press Ctrl+Alt+Del keys together and stop Trojan.Agent.cn virus processes in the Windows Task Manager.
Step 3. Remove registry entries added by the threat. HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” = ’1′ HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments “SaveZoneInformation” = ’0′
Step 4. Go to Folder Options from Control Panel. Under View tab, select Show hidden files and folders and uncheck Hide protected operating system files (Recommended), and then click OK. Remember to back up beforehand. Search for the following files and delete them all.
%AllUsersProfile%
%AllUsersProfile%\Application Data\~r
%AllUsersProfile%\Application Data\~dll
With the steps above, you will be able to get rid of Trojan.Agent.cn completely.
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