Remove Win.Trojan.Bledoor Malware

Parasite may reinstall itself multiple times if you don't delete its core files. We recommend downloading SpyHunter to scan for malicious programs installed with it. This may save you hours and cut down your time to about 15 minutes. 

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This page aims to help you remove Win.Trojan.Bledoor . Our removal instructions work for every version of Windows.

A Trojan Horse is a term that describes a specific group of malicious programs which can perform different harmful tasks such as collecting sensitive information, sneaking more malicious malware in the infected computer or messing with the system’s settings and data without the users’ knowledge. There are different Trojan-based infections but on this page we will discuss one recently reported threat called Win.Trojan.Bledoor . This new Trojan horse can get inside the system in many ways. As per the information that we have, it mostly spreads masked as an email attachment or inside pirated/cracked software, fake ads, fake update request and low-quality sites.

Like most Trojans, Win.Trojan.Bledoor can be used for many different purposes: for instance, it may download, and run other malware on a targeted computer. With its help, the criminals may secretly insert Ransomware, Spyware or other nasty viruses inside your PC, which can further damage your system and harass you.

Such an infection can very effectively operate as a keylogger and collect sensitive information, including login credentials, passwords, credit card information and more, and transfer it to the remote servers of the hackers who are in control of the malware. In addition, Win.Trojan.Bledoor may establish remote access to the infected computer and may allow the criminals to mess with your system as they please. Basically, the presence of such malicious software can result in file destruction, system corruption, loss of financial information or money, system performance issues, identity theft and other highly unpleasant consequences.

Unfortunately, threats like Win.Trojan.Bledoor often lack any visible symptoms and this makes them extremely difficult to detect on time. The good news is that most security programs can detect such malware but if yours is unable to deal with Win.Trojan.Bledoor , this could mean that the Trojan has disabled it or that the antivirus is out of data. In this case, our suggestion is to use the instructions in the removal guide below or the help of the suggested removal tool that’s also available in the guide in order to quickly and effectively remove the threat.

If you have any malicious software on your computer, you need to conduct a full system scan with updated security software so as to detect the malicious components in the system. Keep in mind though, that some advanced Trojans such as Win.Trojan.Bledoor may try to prevent you from opening, updating or starting the security program in your system in order to remain hidden and undisturbed while performing their criminal deeds. In those cases, a removal guide like the one above could be of great help as it may allow you to manually take care of the infection. Having a reliable malware removal tool is also important and that’s why it is a good idea to invest in professional software that can quickly locate the infection and eliminate it before any serious damage has been caused to the computer. Another plus of having a proper security program is that it can not only protect you form threats like Win.Trojan.Bledoor but also from other nasty infections or potentially unwanted programs which may heavily disturb the way your machine operates.


Name Win.Trojan.Bledoor
Type Trojan
Danger Level  High (Trojans are often used as a backdoor for Ransomware)
Symptoms  It is very difficult to notice any particular symptoms of the infection without the help of a professional software.
Distribution Method  Cracked software, malicious emails and attachments, malvertising, torrents and low-quality pages. 
Detection Tool

Remove Win.Trojan.Bledoor Malware

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).



We get asked this a lot, so we are putting it here: Removing parasite manually may take hours and damage your system in the process. We recommend downloading SpyHunter to see if it can detect parasite files for you.

Press CTRL + SHIFT + ESC at the same time and go to the Processes Tab. 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:

Drag and Drop Files Here to Scan
Maximum file size: 128MB.

This scanner is free and will always remain free for our website's users. You can find its full-page version at:

Scan Results

Virus Scanner Result

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. If you see a screen like this when you click Uninstall, choose NO:



To remove parasite on your own, you may have to meddle with system files and registries. If you were to do this, you need to be extremely careful, because you may damage your system.

If you want to avoid the risk, we recommend downloading SpyHunter
a professional malware removal tool.

More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

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.

  • Remember this step – if you have reason to believe a bigger threat (like ransomware) is on your PC, check everything here.

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.


Type Regedit in the windows search field and press Enter.

Once inside, press CTRL and F together and type the virus’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!

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