Remove PUP.Optional.InstallCore.A Virus - How to Get Rid of PUP.Optional.InstallCore.A Permanently

PUP.Optional.InstallCore.A is reported as a nasty and stubborn Trojan horse virus that gets inside your computer with spam email and free software. It is able to mess up your computer severely via adopting the advanced rootkit technique. It takes advantage of system loopholes to launch an attack. Once it successfully invades your computer, PUP.Optional.InstallCore.A infects the browsers, and it redirects you to many malicious websites when you surf online. It alerts system settings to affect other important programs like antivirus application and firewall. It produces some fake security alerts which ask you to uninstall some legit and safe programs. Once installed, it drops malicious files with random names into the computer and changes files names originally in the computer. This malicious virus sneaks into your computer and modifies your registry. Then horrible symptoms will appear. At the very beginning, your browser will be hijacked to some other malicious pages. Gradually, your system will run lower than before and often end up with crash. Besides, PUP.Optional.InstallCore.A may download a ransomware to lock up your desktop so that you can do nothing with your machine. Furthermore, this Trojan virus has the ability to open backdoor for the hackers, so the hackers can break into your system easily to steal your important information like credit card number. Since PUP.Optional.InstallCore.A is a danger to your PC, you should get rid of it without hesitation.

It’s really horrible to be with PUP.Optional.InstallCore.A

* PUP.Optional.InstallCore.A is a nasty Trojan parasite
* PUP.Optional.InstallCore.A may show fake security & messages
* It may display numerous annoying advertisements
* This Trojan may be controlled by a remote person
* This virus may come with additional spyware
* This virus violates your privacy and compromises your security

Remove PUP.Optional.InstallCore.A as quickly as possible

A. Manual Removal Instruction

1. Boot up the infected computer, press F8 at the very beginning, choose “Safe Mode with Networking” and press Enter to get in safe mode with networking.

2. Stop malicious processes:

3. Delete these infected files:

%WINDOWS%\system32\drivers\svchost.exe
%Documents and Settings%\[User Name]\Local Settings\Temp\teb5.tmp
%UserProfile%\Local Settings\Application Data\[random]\[random]sysguard.exe

4. Remove these infected registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\virus _is1

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ITGrdEngine

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “PUP.Optional.InstallCore.A”

B. Automatic Removal Instruction

1. Download SpyHunter freely via clicking on the below button.

2. Double click on it to install SpyHunter.

3. When the installation is complete, open SpyHunter and click Scan Computer Now! to start scan your computer.

4. SpyHunter will now start scanning your computer as shown below.

5. When the SpyHunter scan is completed, you can see that it detects all the threats including PUP.Optional.InstallCore.A. Then click Fix Threats button to make your computer clean.

Notice: As we all know, using reliable anti-malicious software is the most efficient way for the victims who have a little knowledge about computer or are afraid of using manual removals to remove threats on the computer. SpyHunter can help you remove this PUP.Optional.InstallCore.A automatically. Therefore, just run a scan of SpyHunter and it will help you to solve all the problems efficiently and permanently.