Infostealer.Castov Removal Guide

Got infected with Infostealer.Castov and do not know how to remove it completely? Does your anti-virus software perform normally to delete the virus entirely? If not, how to delete this nasty virus successfully and completely? Learn from this post and follow removal guide below to remove the Trojan horse safely.

Detailed Description of Infostealer.Castov

Infostealer.Castov is a nasty virus that brings huge disaster to the infected computer and PC users. It is a tricky virus that sneaks into the infected computer without any notification. PC users are usually hard to found out its existence until they have noticed that there are something wrong with the computer performance or been reported by the security alert. It steals information from the infected computer, collects them and sends back to its creators. It also can be a tool to download other malicious files. Once it has executed, it starts to harm your computer.

It can be an annoying virus that keeps coming back into your computer and it is really hard to be removed. It starts to bring disaster into the infected system as soon as it goes into the system. It is a common trick that it slows down computer performance to stop other normal progress responding and changes system settings to allow this virus to hide behind system files. Then it starts to violate your privacy and collect your view histories on the infected computer. We describe this Trojan as a trick virus because it will start up on boot and evades security software scanning immediately. That means security software may not be able to remove it completely. The remains of the virus still can be harm to the infected computer. The best way to handle with this nasty virus is to remove it manually.

The following instructions require certain levels of computer skills. If you’re not sure how to delete this harmful Trojan, you can start a live chat with YooCare experts now.

Infected Symptoms of Infostealer.Castov:

※ It will allow cyber-criminals to break into the infected computer without noticed

※ It disables executable program and cause system crash

※ It will change your registry settings and key value which makes it hard to be removed

※ It will display numerous fake infections of exaggerated security threats

※ It violates your privacy and records your data in the infected computer.

Instructions on removing this virus completely :

Manual removal is a complicated and risky process, so please back up all important data before making any changes on your computer. Here are some instructions to handle with the Trojan horse manually, and be cautious when going through the following steps.

1. Press Ctrl+Alt+Del keys together and stop processes of this virus in the Windows Task Manager.


2. 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.


3. Press Windows+ R keys and search for regedit in Run. Delete associated files and registry entries related to Infostealer.Castov from your PC completely as follows:

%USERPROFILE%\Start Menu\Programs\StartUp\runctf.lnk
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” = ’0′
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments “SaveZoneInformation” = ’1′

4. Reboot the computer normally to take effective, when the above steps are done.

This Video Shows You How to Safely Modify Windows Registry Editor:


Infostealer.Castov is a tricky virus which can avoid security scanning. It can make your computer at a great risk, particularly degrading your system performance and freezing your computer up frequently. What is worse, it collects your bank information and security password to steal your money and violates your privacy. Not to mentioned it usually come in packed with other threats, such as fake Anti-Virus, redirecting virus or spyware, to aggravate the infections and better control your PC. Consequently, your computer will crash all the time and cannot use anymore.

Friendly Reminder: If you still find it hard to follow the removal guide above smoothly, please contact YooCare: PC experts 24/7 online will offer you the most effective tech support to remove infection completely.

Published by on May 28, 2013 4:36 am, last updated on May 28, 2013 4:36 am

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