Friday, November 8, 2013

Remove SYSENTER hook---Effectively Get Rid of Trojan horse

What is SYSENTER hook virus?

SYSENTER hook is detected by AVG Internet Security which belongs to the Trojan horse family. However, AVG antivirus software can only detect SYSENTER hook, but fails to remove it.  This is because SYSENTER hook is a tricky and stubborn computer infection which has the function to mutate all the time and use random titles to name its key components. As a result, AVG Internet Security can only remove parts of SYSENTER hook, but the important files of this Trojan horse still hide deeply into the PC system.

Therefore, to completely remove SYSENTER hook virus, manually searching every corner of the infected PC is necessary.
You have to find out all the infected files, processes and registries of SYSENTER hook and then delete all of them. In the last part of this passage, I will offer SYSENTER hook manual removal method for your reference. Before that, let’s have a better understanding of SYSENTER hook virus.

The screenshots of SYSENTER hook Trojan horse:

What does SYSENTER hook do in the target PC?

As one of the members of Trojan horse family, SYSENTER hook does possess lots of harmful traits. When it installed in the target PC, firstly it will run in the background and mess up the system security. Other computer infections may get the opportunity to take advantages of the security vulnerability to infiltrate into the compute more easily.

Secondly, SYSENTER hook will delete some important system files and add some files to the regedit or startup menu for its own benefit. Therefore, it can get started automatically when computer users boot the infected PC.

What’s worse, SYSENTER hook always gangs up with cyber crooks. It will keep track of browser history, collect search terms and record the confidential information in the infeceted PC such as the user name, password, IP address and so on. Then send these personal data to the cyber criminals to engage in some illegal activities.

All in all, SYSENTER hook Trojan horse is definitely a big threat to your computer system and your personal data on the PC. For the sake of your confidential information and a better online experience, you’d better remove this virus as soon as possible from your PC. Follow the manual removal guide as below and get rid of SYSENTER hook right now.

Method one: SYSENTER hook manual removal instruction

First: stop all processes that related to SYSENTER hook
Specific steps
 1). Open task manager by pressing window+R keys at the same time, then type taskmgr into and press OK.

2).Terminate all the processes about SYSENTER hook in the Window Task Manager.

Second: show hidden files and folders.
Concrete steps
1).click the Start button and choose Control Panel, clicking Appearance and Personalization, to find Folder Options then double-click on it.

2).in the pop-up dialog box, click the View tab and uncheck Hide protected operating system files (Recommended).

3).delete all the files about SYSENTER hook from computer drive
C:\Program files\ SYSENTER hook \
C:\Documents and Settings\All Users\Start menu\Programs\ SYSENTER hook \
%Programs%\ SYSENTER hook \ SYSENTER hook.lnk
%USERPROFILE%\Start Menu\Programs\StartUp\runctf.lnk

Third: delete all registries created by SYSENTER hook
Concrete steps
1).open Registry Editor by pressing Window+R keys together.(another way is clicking on the Start button and choosing Run option, then typing into Regedit and pressing Enter. )

2). locate all registries that added by SYSENTER hook and delete all of them.
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” = ’0′ HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments “SaveZoneInformation” = ’1′ -
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\ SYSENTER hook \ShortcutPath “%AppData%\[RANDOM CHARACTERS]\[RANDOM CHARACTERS].exe” -u
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\ SYSENTER hook \DisplayName SYSENTER hook

If the manual guide is kinda difficult for you, please feel free to download automatic removal tool SpyHunter to drive the self-invited guest away.

Method two: Automatically remove SYSENTER hook with Spyhunter antivirus software:


Step 1: click the icon below to download automatic removal tool SpyHunter


Step 2: follow the instructions to install SpyHunter



Step 3: run SpyHunter to automatically detect and uninstall SYSENTER hook


Summary: Due to the changeable characters of SYSENTER hook, you cannot be too careful to distinguish the harmful files and registries from the system files and registries. If you have spend too much time in manual removing SYSENTER hook and still not make any progress, you can download and install Spyhunter antivirus software here to remove SYSENTER hook automatically for you.

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