How to Remove Trojan:Win32/Preflayer.A Virus

Computer is infected with Trojan:Win32/Preflayer.A? How dangerous would this Trojan virus be? The antivirus program indicates that the virus has been removed but you see it again after restarting the computer? How to remove it completely without causing damages to the computer?

Trojan:Win32/Preflayer.A Instruction:

Trojan:Win32/Preflayer.A is a nasty Trojan virus which can be detected by most antivirus programs but needs to be removed manually. The cyber criminals usually bundles this virus with spam email attachments, malicious websites or unknown links and some free software from unsafe sources. Therefore, please be more careful when surfing the Internet if you don’t want your computer to get infected with it.

Trojan:Win32/Preflayer.A is able to change Hosts file, DNS settings and other important system files. It can distribute other infectious malware onto the infected computer without your awareness. Your computer will run very slow for the system resources are consumed by it and a series of malicious actions is performed in backdoor. Cyber criminals are able to access the infected computer to collect your personal information for illegal use. Your computer will be messed up and your privacy is not safe anymore if you just leave it in your computer. We highly suggest you to remove this high-risk threat as soon as possible.

Since most antivirus programs cannot remove this Trojan completely, users may be at a loss what to do. Please review the following manual removal guide. But manual removal requires expertise and any wrong operation will lead to mistakes damaging your system seriously.

The following instructions require certain levels of computer skills. If you’re not sure and are afraid of making any critical mistakes during the process, please live chat with YooCare Expert now.

Manual Removal Guides:

1. Show hidden files

(1). Click on the Start button and then on Control Panel

(2). Click on the Appearance and Personalization link

(3). Click on the Folder Options link

(4). Click on the View tab in the Folder Options window

(5). Choose the Show hidden files, folders, and drives under the Hidden files and folders category

(6). Click OK at the bottom of the Folder Options window.

2. Delete virus files

(1). Delete the related registry entries to this Trojan virus through Registry Edit

Guides to open registry editor: Click “Start” menu, hit “Run”, then type “regedit”, click “OK”

While the Registry Editor is open, search and delete the following registry entries listed below:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run ‘Inspector’

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” =

(2). Find out and remove the associated files of this Trojan virus.



%AllUsersProfile%\Application Data\~r

%AllUsersProfile%\Application Data\.dll HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “.exe”

Video Shows You How to Safely Modify Windows Registry Editor:

In a word, Trojan:Win32/Preflayer.A is a dangerous Trojan virus which can damage the infected computer and record computer using traces. The virus can regenerate itself later if you use antivirus to remove it. Thus, manual removal is the best way to get rid of it completely. You shall embark on the removal immediately.

If you have no idea of how to do that, please contact experts from YooCare Online Tech Support for further help.

Published by on March 30, 2013 5:30 am, last updated on March 30, 2013 5:30 am

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