How to Get Rid of/Remove PUP.Optional.NetworkUpdate.A Virus

Posted by Britt Duncan - June 24, 2014

Attacked by PUP.Optional.NetworkUpdate.A & cannot delete it with antivirus programs? Try to remove all its harmful files but find nothing? This removal guide helps you clean out safely.

Information of PUP.Optional.NetworkUpdate.A

PUP.Optional.NetworkUpdate.A is categorized as a destructive PC virus that wreaks havoc on a targeted computer after it settles down. Right after it gets inside, this pest needs no human intervention to activate. To begin with, PUP.Optional.NetworkUpdate.A virus will add malicious entries to registry and add its items to the start-up program list. As a result, the PC will be under control by it after Windows boots up. Sneaky as PUP.Optional.NetworkUpdate.A is, it may also inject its harmful codes into some legitimate processes and system file folder to dodge from the security tools. Therefore, the security tools may be confused by this parasite and think it as a part of legit program by mistake. As a result, the risky threat carries out its harmful campaigns freely without trouble.

malware-removal-1

This highly risky infection may even assist remote attacker in gaining access to your computer and steal confidential data, like online account, password information and saved documents for benefits later on. What’s more, PUP.Optional.NetworkUpdate.A may bring MalSign.Generic.DE7, Amch.questionmarket.com and Asrv-a.akamaihd.net inside to compromise the computer furthermore. What’s more, slow program responding and system start-up failure may occur unexpectedly. Blue screen of death and even system crash can be noticed on your machine. Hence, for the security of your computer and data, it is necessary that you follow the removal guide outlined below to get rid of this Trojan virus effectively and securely.

Tips to Prevent PUP.Optional.NetworkUpdate.A Invasion

1. Stay away from insecure websites. Download programs, files and update package from trustworthy official addresses only;
2. Update the virus database of the installed antivirus program on a regular basis. Please keep it running real-time protection to lower the chance of being attacked.
3. Upgrade the existing applications immediately once there are notifications of update so as to prevent any system vulnerability;
4. Be attentive when receiving unknown links from social networking sites, instant message clients and group emails. They might contain a copy of this virus.

Note: The following removal needs certain computer skills. If you want to avoid any accident caused by wrong manual operation and save your time, it is recommended to use this powerful Automatic Virus Removal Tool to save your time and trouble.

Download Automatic Virus Removal Tool Now

Effective Way to Remove PUP.Optional.NetworkUpdate.A

Step One: Enter Safe Mode.

*For Windows 7/Vista/XP users:

a. Restart the computer. Before Windows Welcome interface appears, please tap F8key constantly until Windows Advanced Options Menu displays.

b. On the black screen of Windows Advanced Options Menu, use the arrow key to move down and choose Safe Mode option by highlighting it. Then hit Enter on the Keyboard.

*For Windows 8 users:

a. Select Settings on the charm bar and then Power options. Press and hold Shift key on the keyboard and click Restart.

b. Click Troubleshoot on the displaying Choose an option menu and then Advanced option to proceed.

c. Choose Windows Startup Settings next and press Restart. After that, the computer will reboot and show nine start-up settings, click F4 to enter Safe Mode.

Step Two: Empty temp files to clean out harmful files.

a. Hold and press Win + R key together and bring up Run box.

b. Put in %temp% and hit Enter key, temp file folder will display automatically.
c. Select all items by pressing Ctrl + A key together, right click the mouse and select delete to remove them all.

Step Three: Get rid of registry items related to PUP.Optional.NetworkUpdate.A.

a. Back up registry entries in case of any mistaken operation.

To know how to back up registry files, please click here to know more.

b. Tap Win + R key altogether to display Run box. Open Registry Editor by putting regedit in Runbox and hit Enter.

c. Look through the registry entries and find out all listed harmful items. Right click on them and click Deleteto remove.

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” = ‘1’
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments “SaveZoneInformation” = ‘0’

d. Examine following entries respectively. Seeing any suspicious key value started with Run, right click on it and select Delete.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders Startup=”C:\windows\start menu\programs\startup

Step Four: Terminate processes and service run by PUP.Optional.NetworkUpdate.A virus.

a. Activate Task Manager. Click Ctrl + Alt +Delete for Win 7/XP users, and Ctrl + Shift + ESC for Win8 users.
b. Move to View tab and choose Select Columns from the list. Tick Image Path Nameand PID, click OK.

c. Search for harmful processes and services of the virus listed in the following. Click on the items to select them and click End processes.

random.exe

Step Five: Delete hidden files of PUP.Optional.NetworkUpdate.A virus.

*For Windows 7/XP/Vista users

a. Open Control Panel/ from Start menu and choose Folder Options to proceed.

b. Find Viewtab and select Show hidden files and folders at Advanced Settings column. Then click OK to apply the change.

c. Search for the futile files listed below in the computer by following the path name and delete them permanently.

%AllUsersProfile%
%AllUsersProfile%\Programs\{random letters}\
%AllUsersProfile%\Application Data\~r
%AllUsersProfile%\Application Data\~dll

*For Windows 8 users

a. Open Windows Explorer from Start screen, navigate to View tab. At Show/Hide column, tick both File name extensions and Hidden items and hit Enter.

b. All hidden malicious files outlined below are now displaying. Find out all of them and remove altogether.

C:\Windows/system/user32
c:\Windows\System32\services.exe
C:\WINDOWS\system32\winntddu.dll
C:\Windows\Installer\{648c7366-661d-8c7c-a2b5-bfc01b210a94}\U\000000CB.

Video of How to Delete a Virus from Registry:

Tips to Prevent PUP.Optional.NetworkUpdate.A Invasion

1. Stay away from insecure websites. Download programs, files and update package from trustworthy official addresses only;
2. Update the virus database of the installed antivirus program on a regular basis. Please keep it running real-time protection to lower the chance of being attacked.
3. Upgrade the existing applications immediately once there are notifications of update so as to prevent any system vulnerablility;
4. Be attentive when receiving unknown links from social networking sites, instant message clients and group emails. They might contain a copy of this virus.

Automatically Remove All Nasty Viruses (Recommended)

Not every victim can manually get rid of the virus with success, because the virus mutates very quickly to avoid being detected and deleted from your computer. If you have no idea about where its malicious files are really hiding, it is recommended that you use this powerful Automatic Virus Removal Tool to help you save your time and hassle.

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Note: SpyHunter is a powerful anti-malware tool. Its malware scanner checks to see if your computer is infected with malware for free. If you want to remove the detected malware, you will need to purchase it. More information about the program can be found in SpyHunter review. If you do not want to use it, uninstall SpyHunter here.

Note: Four benefits you will get from Auto Virus Removal Tool:

1. Virus Scanner - powerful, professional and easy-to-use

Auto Virus Removal Tool is a powerful, professional and easy-to-use application that will safely and effectively scan the computer's memory, registry, cookies and files for infected items. A small action will remove all infections, so it is especially simple for new users.

2. Spyware HelpDesk - Free customized fix

Spyware HelpDesk is a unique and highly effective interface through which you can contact our technical support department! If our tool is unable to remove an infection from your computer, our team will be happy to generate a customized fix for you,which is absolutely free.

3. System Guards - Protect your system

With integrated techniques, the new feature System Guards protects your system through blocking malicious processes from executing and running on the system. You can then gain the whole control over all processes including those authorized and unauthorized ones.

4. Network Sentry - guarantee the Internet safety

Network Sentry is to guarantee your Internet safety and secure. It prevents malicious software from modifying networking settings such as HOSTS files, Windows system files, DNS servers and explorer homepage settings. You don't need to worry about encountering unauthorized redirections as this tool will notify you if any changes are made.


Download Automatic Virus Removal Tool Now
Note: SpyHunter is a powerful anti-malware tool. Its malware scanner checks to see if your computer is infected with malware for free. If you want to remove the detected malware, you will need to purchase it. More information about the program can be found in SpyHunter review. If you do not want to use it, uninstall SpyHunter here.



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