How to Remove securityhelper.dll Trojan - Tips for Deleting securityhelper.dll

securityhelper.dll plays as a trojan. 

securityhelper.dll is known as Trojan that is able to trigger numerous harmful activities onto the infected PC. Computers with Windows operating system can block securityhelper.dll. After the this nasty infection breaks into the target computer, securityhelper.dll grab the chance to manipulate your windows system settings which can be related to the booting of the computers. You will receive pop-ups and redirects when browsing with Google Chrome, Bing, Mozilla Firefox, Internet Explorer and other browsers. Besides, you can't run some legitimate programs or get errors when execute some applications. The firewall of the computer is definitely shut down.

Consequence of being attacked by securityhelper.dll

1. extra trouble: securityhelper.dll can cause bunches of infections and threats on the infected computer without noticing users. For securityhelper.dll not only can active unwelcome activities and connect remote server, you’d better get rid of it ASAP. Also, you need to change your every account login password since they can be collected by securityhelper.dll.
2. unknown things: Since the settings are rewritten by securityhelper.dll, unfamiliar shortcuts, icons, even .exe or .dll processes suddenly appear in the task manager. 
3. outrageous performance: securityhelper.dll may disable update suctions and get the firewall turned off as well as security protecting tools. Then it easily creates system loopholes and make the computer vulnerable. As a result, the victims will meet more start-up problems and blue screen or frozen screen. 
4. poor performance: bunches of unknons add-ons or application are added on the comuter which drag down the computer speed. The victim may encounter the these unbelievable sluggishness: delay for typing or inputting text; much longer delay after backspacing or highlighting, ect. 

To remove securityhelper.dll, don't miss the effective solutions.

Path 1: remove securityhelper.dll manually (offered for those with a little expertise)

1. get the task manager and end the running processes related to securityhelper.dll or the suspicious ones.
(to the quick way to bring up Task Manager Window：Press Ctrl+Shift+Esc )

2. Show hidden files and folders.

• open Folder Options by clicking the Start button
• clicking Control Panel, clicking Appearance and Personalization

• clicking Folder Options
• click the View tab.
• under Advanced settings, click Show hidden files and folders, uncheck Hide protected operating system files (Recommended)
• click OK.

( This is for the lazy guys: if you don't have much expertise or time to remove it manually in person, you are strongly recommended to use the top removal tool SpyHunter to get rid of securityhelper.dll permanently for you. )

Get the strong removal tool from here:

3. Open Registry Entries. Find out the malicious files and entries and then delete all.
(Tip: back up your PC before making any changes.)

• Press Windows key + R to open Run box. 

• in the “Open” field, type “regedit” and click the “OK” button.

Then Registry Editor window pops up as the following picture shows:

• Search for the malicious files and registry entries and then remove all of them:

%CommonAppData%\<random>.exe
C:\Windows\Temp\<random>.exe
%temp%\<random>.exe
C:\Program Files\<random>

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Settings

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Associations "LowRiskFileTypes"=".zip;.rar;.nfo;.txt;.exe;.bat;.com;.cmd;.reg;.msi;.htm;.html;.gif;.bmp;.jpg;.avi;.mpg;.mpeg;.mov;.mp3;.m3u;.wav;"

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments "SaveZoneInformation"=1

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe "Debugger"="svchost.exe"

4. Restart your beloved PC immediately to take effect. 

Path 2: in case you don't know how to remove securityhelper.dll manually, you are offered an automatic one.

1. Download the professional version Spyhunter by clicking the botton .

• There are 2 selections offered: click Save or Run to install the program. We recommend you to save it on the desktop if you choose Save for the reason that you can immediately start the free scan by using the desktop icon.
• After downloading, double click the downloaded file and follow the prompts to install the removal tool.

2. Installing the professional tool to remove securityhelper.dll completely, start with clicking Run to give your permission.

Click Continue to get the Install option

Choose I accept the EULA and Privacy Policy and then click INSTALL.

A good gain consumes time. Please wait for the files downloading... 

Take the chance to remove securityhelper.dll. Click Start New Scan/ Scan Computer at once!

Standby and let it scan your PC. You can take a break for yourself since it will take a while.

You are close to get securityhelper.dll out of your PC permanently. Click Fix Threats.

Recommended Advice

You know the importance to remove securityhelper.dll. If you are not so good at it, please install Spyhunter to clear it out. You know you can drag it away from your PC forever.

( Kris )