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)
%UserProfile%\Application Data\Microsoft\Internet Explorer\Quick Launch\PUP.Optional.4Squared.lnk
Step 1 Download SpyHunter freely.
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.
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.