Pdf Converter Guru Virus

Pdf Converter Guru

Pdf Converter Guru is software of the browser hijacking type and it can infect most popular web browsers. Pdf Converter Guru installs ad-generating components in the host browser and exposes users to myriads of online ads.

Pdf Converter Guru

The Pdf Converter Guru Virus will redirect your browser.

Hence, one of the very first and most obvious symptoms of as browser hijacker infection is usually the presence of vast numbers of banners, popups, box messages and various other forms of online advertising. In addition, another sure sign that your system has been infected by a piece such as Pdf Converter Guru is that your Chrome, Firefox or other browsing program may begin to initiate page redirects on its own. In other words, it may start sending you to various web locations smack in the middle of your browsing session – whether you like it or not.

The Pdf Converter Guru Virus

Software like Pdf Converter Guru Virus certainly won’t ask you permission for the replacement of your browser homepage and/or its default search engine with new ones. Furthermore, once these elements have been changed by the hijacker, you won’t even be allowed to change them back. The moment you restart your browser, all configurations that you tried to reset will return back to the state determined by the Pdf Converter Guru Virus.

Then there’s also the rather annoying feature of these types of software, or rather lack thereof, when it comes to their uninstallation. Programs like Pdf Converter Guru rarely come with a designated removal option that you’d find in most regular applications. Here, you have to manually locate and delete the separate components of the browser hijacker and that can often be very frustrating, because there always seems to be something left over. That’s why we would like to offer you our free removal guide below, which will take you through the steps necessary to get rid of Pdf Converter Guru once and for all.


PdfConverterGuru is usually included in the setup of other programs. This is a process known as program bundling. And it’s the most common way to ensure that the browser hijacker does actually reach the end user, because nobody will want to download and install PdfConverterGuru willingly.

Thus, if you recently downloaded some application and ran the default setup, then that’s probably how Pdf Converter Guru got installed as well. This could have easily been avoided if you had customized the setup manually by selecting that respective option.

This is something to keep in mind for future software installations as well, because program bundles can be used to distribute far more serious threats, even viruses. Also, be mindful of the download sources you use. Sketchy and unsafe open source download platforms and similar sites can be hubs for viruses like ransomware, Trojans, rootkits, spyware and other nasty forms of malicious code. So be sure to only use reliable sources for your software downloads from now on.

And on that note, it would also be a good idea to stay away from spam messages and try not to click on any online advertising materials, including those displayed by Pdf Converter Guru. Those can also be used as transmitters for PUPs and malware.



Name Pdf Converter Guru
Type Browser Hijacker
Danger Level Medium (nowhere near threats like Ransomware, but still a security risk)
Symptoms Changes made to the browser’s interface, including added elements such as toolbars, buttons, plug-ins, a new homepage and default search engine. 
Distribution Method Spam messages, clickbait ads, other browser hijackers or similar pieces of advertising software, and program bundles.
Detection Tool

anti-malware offerOFFER *Read more details in the first ad on this page, EULA, Privacy Policy, and full terms for Free Remover.

Pdf Converter Guru Virus Removal

To try and remove Pdf Converter Guru quickly you can try this:

  1. Go to your browser’s settings and select More Tools (or Add-ons, depending on your browser).
  2. Then click on the Extensions tab.
  3. Look for the Pdf Converter Guru extension (as well as any other unfamiliar ones).
  4. Remove Pdf Converter Guru by clicking on the Thrash Bin icon next to its name.
  5. Confirm and get rid of Pdf Converter Guru and any other suspicious items.

If this does not work as described please follow our more detailed Pdf Converter Guru removal guide below.

If you have a Windows virus, continue with the guide below.

If you have a Mac virus, please use our How to remove Ads on Mac guide.

If you have an Android virus, please use our Android Malware Removal guide.

If you have an iPhone virus, please use our iPhone Virus Removal guide


Some of the steps will likely require you to exit the page. Bookmark it for later reference.

Reboot in Safe Mode (use this guide if you don’t know how to do it).



Press CTRL + SHIFT + ESC at the same time and go to the Processes Tab (the “Details” Tab on Win 8 and 10). Try to determine which processes are dangerous. 


Right click on each of them and select Open File Location. Then scan the files with our free online virus scanner:

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    After you open their folder, end the processes that are infected, then delete their folders. 

    Note: If you are sure something is part of the infection – delete it, even if the scanner doesn’t flag it. No anti-virus program can detect all infections. 


    Hold together the Start Key and R. Type appwiz.cpl –> OK.


    You are now in the Control Panel. Look for suspicious entries. Uninstall it/them.

    Type msconfig in the search field and hit enter. A window will pop-up:


    Startup —> Uncheck entries that have “Unknown” as Manufacturer or otherwise look suspicious.


    Hold the Start Key and R –  copy + paste the following and click OK:

    notepad %windir%/system32/Drivers/etc/hosts

    A new file will open. If you are hacked, there will be a bunch of other IPs connected to you at the bottom. Look at the image below:

    hosts_opt (1)

    If there are suspicious IPs below “Localhost” – write to us in the comments.

    Open the start menu and search for Network Connections (On Windows 10 you just write it after clicking the Windows button), press enter.

    1. Right-click on the Network Adapter you are using —> Properties —> Internet Protocol Version 4 (ICP/IP), click  Properties.
    2. The DNS line should be set to Obtain DNS server automatically. If it is not, set it yourself.
    3. Click on Advanced —> the DNS tab. Remove everything here (if there is something) —> OK.



    • After you complete this step, the threat will be gone from your browsers. Finish the next step as well or it may reappear on a system reboot.

    Right click on the browser’s shortcut —> Properties.

    NOTE: We are showing Google Chrome, but you can do this for Firefox and IE (or Edge).


    Properties —–> Shortcut. In Target, remove everything after .exe.

    Browser Hijacker Removal Instructions

    ie9-10_512x512  Remove Pdf Converter Guru from Internet Explorer:

    Open IE, click  IE GEAR —–> Manage Add-ons.

    pic 3

    Find the threat —> Disable. Go to IE GEAR —–> Internet Options —> change the URL to whatever you use (if hijacked) —> Apply.

    firefox-512 Remove Pdf Converter Guru from Firefox:

    Open Firefoxclick  mozilla menu  ——-> Add-ons —-> Extensions.

    pic 6

    chrome-logo-transparent-backgroundRemove Pdf Converter Guru from Chrome:

    Close Chrome. Navigate to:

     C:/Users/!!!!USER NAME!!!!/AppData/Local/Google/Chrome/User Data. There is a Folder called “Default” inside:

    Rename the Folder to Backup Default

    Rename it to Backup Default. Restart Chrome.


    Type Regedit in the windows search field and press Enter.

    Inside, press CTRL and F together and type the threat’s Name. Right click and delete any entries you find with a similar name. If they don’t show up this way, go manually to these directories and delete/uninstall them:

    • HKEY_CURRENT_USER—-Software—–Random Directory. It could be any one of them – ask us if you can’t discern which ones are malicious.
      HKEY_CURRENT_USER—-Software—Microsoft—-Windows—CurrentVersion—Run– Random
      HKEY_CURRENT_USER—-Software—Microsoft—Internet Explorer—-Main—- Random

    If the guide doesn’t help, download the anti-virus program we recommended or try our free online virus scanner. Also, you can always ask us in the comments for help!

    About the author

    Violet George

    Violet is an active writer with a passion for all things cyber security. She enjoys helping victims of computer virus infections remove them and successfully deal with the aftermath of the attacks. But most importantly, Violet makes it her priority to spend time educating people on privacy issues and maintaining the safety of their computers. It is her firm belief that by spreading this information, she can empower web users to effectively protect their personal data and their devices from hackers and cybercriminals.

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