Learn to Remove PUP.Optional.4Shared Step by Step (Virus Removal)

PUP.Optional.4Shared is a harmful potentially unwanted program that usually gets inside the system without the uses consent. It can be classified as a browser hijacker that detected by the Malwarebytes- Anti Malware or other security program. Once this adware runs into your system, it has the ability to change the default setting of the famous browser including the IE, Chrome, Firefox, etc. it makes you annoy with all kinds of commercial ads. PUP.Optional.4Shared will display numerous pop up ads on your screen, and it is also distributes the malicious links to redirect the use to the dangerous website. No need to say, the purpose of this adware is to gain the benefit from the user via the random redirections to unknown websites. It is not only disturbing and time consuming, but you will also have a risk of visiting some malicious websites and get your system infected.  If you don’t remove it right away, this thread can mess up the entire system because PUP.Optional.4Shared will slow down the system performance. Besides, this malware can make the System vulnerability so that the virus maker can control your computer and steal your personal data and information. If one day you find that your computer is infected by PUP.Optional.4Shared, you should remove it as early as possible to protect your computer.

Potential dangers caused by PUP.Optional.4Shared virus

1. PUP.Optional.4Shared attacks system without any permission
2. PUP.Optional.4Shared reputation & rating online is terrible
3. PUP.Optional.4Shared may hijack, redirect and modify your web browser
4. PUP.Optional.4Shared install other sorts of spyware/adware/malware
5. PUP.Optional.4Shared violates your privacy and compromises your security

Effective way to remove PUP.Optional.4Shared safely

Manual Removal Guide:

Step 1 Stop PUP.Optional.4Shared running processes in Windows Task Manager first.
( Methods to open Task Manager: Press CTRL+ALT+DEL or CTRL+SHIFT+ESC or Press the Start button->click on the Run option->Type in taskmgr and press OK.)

Step 2 Open Control Panel in Start menu and search for Folder Options. When you’re in Folder Options window, please click on its View tab, tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then press OK.

Step 3 Go to the Registry Editor and remove all PUP.Optional.4Shared registry entries listed here:
(Steps: Hit Win+R keys and then type regedit in Run box to search)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\run\random
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ESENT\Process\Smartbar.Mini
HKEY_USERS\S-1-5-19\Software\Microsoft\Internet Explorer\Main

Step 4 All PUP.Optional.4Shared associated files listed below need to be removed:

%UserProfile%\Start Menu\PUP.Optional.4Squared\PUP.Optional.4Squared.lnk

%UserProfile%\Start Menu\PUP.Optional.4Squared\Help.lnk

%UserProfile%\Start Menu\PUP.Optional.4Squared\Registration.lnk

%UserProfile%\Application Data\Microsoft\Internet Explorer\Quick Launch\PUP.Optional.4Squared.lnk

Automatic Removal Guide:

Step 1 Download SpyHunter freely.

Step 2 Double click on it to install SpyHunter.

Step 3 Open SpyHunter and click Scan Computer Now! to start scan your computer.

Step 4 When the scan is completed, you can see that PUP.Optional.4Shared and other threats are successfully detected. Then click Fix Threats button to clean your computer.

Friendly Reminded:
As is known to all, using reliable anti-malicious software is the most convenient and efficient way to remove computer threats away. Hence, use SpyHunter to remove this PUP.Optional.4Shared automatically is recommended.