How to Remove ApnStub.exe PUP (Tutorial)?

How to Remove ApnStub.exe PUP (Tutorial)?
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ApnStub.exe Removal Fixing Browser Prevention

What is ApnStub.exe?

Also Known As: ApnStub.exe virus



ApnStub.exe application is really dangerous to occur onto the PC. We classify it as potentially unwanted program and say that it has malicious purposes about your workstation. The utility has been made with advertising aim to promote benefits to its creators. The main its activity concerns persuading users install additional programs with the idea to promote the device or increase the level of security. We should warn you at once that offered software is useless and can harm your PC.

remove ApnStub.exe

ApnStub.exe info

The ApnStub.exe potentially unwanted application (PUP) is rather annoying as it overloads browser with enormous number of pop-ups that cannot be blocked or stopped. The intrusive behavior also includes endless redirections to unknown sites where user cannot find anything useful, only rubbish.The appearance of this particular software weakens the security and has negative effect on the system, it provokes bad performance and general slowness. That is why it is mandatory to delete the source of the threat before this happens.

The ApnStub.exe malware will be able to change the parameters of your browser, inject their ads without an opportunity to turn everything back. CPU suffers from overloading to maximum and constant overheating. Hackers achieve access to your computer and start spying your browsing history to promote third-party users with this information for the revenue. No doubt, Internet speed and operation efficiency will also suffer making relaxing routine a disaster for you. All-in-all, you will realize the necessity to eliminate the threat and will try to remove it manually. This may be possible at first glance, however, after some time PUPs will return because you didn’t remove all related to it files. We strongly recommend automatic uninstallation.

remove ApnStub.exe

ApnStub.exe adware

To get rid of ApnStub.exe PUP strengthen the security not only with anti-virus but add an anti-malware tracker. Its main function is tracking all unwanted applications and deleting them. We suggest removal this computer threat with the help of GridinSoft Anti-Malware. To make the task easier, we created the removal guide you see below.

Quick Menu:

STEP 1. ApnStub.exe removal tutorial

Finding some infections can be hard, which is why we will use a specific removal tool that will help us locate malicious and unwanted files on your computer. Along with this this tool is able to scan browser addons, regisrty keys and remove them without problems from your PC:

Download GridinSoft Anti-Malware removal tool from the link below:


If you need help in removing ApnStub.exe infection,
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Open the installation file and click “Yes” in the User access control window to continue:

Then it is very simple, click “Install” button and GridinSoft Anti-Malware will install itself in a default folder (C:\Program Files). You can choose custom folder and check the creation of desktop icon:

Once the installation is finished, you can close the window and GridinSoft will open automatically. If not, open GridinSoft Anti-malware from the icon on the desktop by double-clicking it or “Start” menu:

Scanning process for ApnStub.exe infection

The scanning process should start automatically. If you accidentally canceled it, open the “Scan” tab and choose “Quick scan” or “Full scan“. It is advised to make full scan of the system, but due to possible performance issues because of the ApnStub.exe infection, you can first run quick scan, to save some time. During the scan you will see what items GridinSoft Anti-malware located inside of your computer:

When the scanning process is over, GridinSoft Anti-Malware will show you thw window with the list of all detected items. You can scroll through this list to get more information and choose what to do with each item or choose the “Apply to all” function. Click the “Fix Now” button to apply action to detected items:

(OPTIONAL)To eliminate all traces of some adware\malware\hijacker infections it is advised to Reset your browser settings. GridinSoft Anti-Malware allows you to choose from various different options and leave the ones you need.

STEP 2. Fix your browser using GridinSoft Anti-Malware

GridinSoft Anti-Malware has an effective utility called “Reset browser settings“. It is able to reset some of your browser option to its original state without removing information you may need. Therefore, if some malicious program, adware or browser hijacker changes your browser settings, this tool can fix this in no time:

Open GridinSoft Anti-Malware – go to “Tools” tab – press “Reset browser settings

Check the options that you need in the “Reset browser settings” window. In the first column you need to choose your infected browser. (Supports all popular browsers). As for “Process” column we advise you to choose Start Page, Shortcuts, Search engines, Cache, Cookies (look for screen below). These settings will be changed to default and save most of the information you need in your browser:

Some malware and adware program may be installed very deep in your browser. In this case, we advise choose more efficient set of options. Check the following options in the “Process” column: “Start Page“, “Shortcuts“, “Search engines“, “Cache“, “Cookies” + “Addons” and “Policies” (screen below):

STEP 3. Protect your computer from ApnStub.exe reinfection

Removing viruses and malicious programs is one thing. The best practice in protection is to not get infected in the first place. To achieve that you must use reliable protection tool and follow simple rules or recommended advices to avoid infections completely. Here is the list of these tips:

  • Watch out for spam emails and attachments. A lot of cyber criminals and malware spreaders are using email spam messaging. Most of these messages have attachment files that can be dangerous to open. We advice to skip suspicious files, don’t even download them on your computer.

  • Adverts and redirect page. Some websites showing ads and pop-up on their pages. Along with this adware programs may generate various adverts on your computer. Clicking on them is very dangerous and leads to unexpected consequences.

  • Don’t open suspicious links and websites. Hackers and scammer are often creating websites of their own where they can do whatever they want. You can download only malware and unwanted programs from such pages.

  • Pay attention to what you install. If you have downloaded any program from suspicious website or anywhere else – always read all instruction and don’t click “Next” all the time.

  • Use protection tools. No matter how hard you try, some sneaky malware may break through all your defences. In this case you should always keep an anti-malware protection online on your computer. GridinSoft Anti-Malware has On-Run Protection feature. It is designed to keep this kind of malware from your computer. To activate this feature go to “Protect” tab and press “Start” button to the right. The label will show you “ON“, which means that On-Run protection is online.

Anti-Malware GridinSoft On-Run Protection Screen

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