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Miicrosoft is the name of a new Trojan Horse infection which can be used to steal personal information and load other malware on the affected machines (among other harmful activities). Most commonly, the infection is distributed via phishing emails with malicious URLs or infected attachments. When a user clicks on the link or opens the attachment, the Trojan silently enters the system and nests itself deep in the OS of th attacked machine. Once inside, Miicrosoft may launch various harmful processes, insert malicious code and exploit weak administrator passwords and system vulnerabilities in order to provide its criminal creators with access to the infected computer and its resources. In many cases, this advanced threat can be used to introduce Ransomware or Spyware into the targeted machine or to steal financial and banking information, login credentials, passwords and other personal details which can be used for fraud, theft, blackmailing and more.

Miicrosoft virus
The Miicrosoft virus

What is Miicrosoft?

Miicrosoft, a misspelled file name often used by fraudsters, conceals malicious software, posing significant security risks to computer systems. This trojan horse virus, also known as “Robust Optimizer” and “Robust Operator,” can infiltrate systems through various distribution methods, including phishing emails, malicious downloads, and compromised websites. To prevent infection, users should exercise caution when downloading files, avoid clicking on suspicious links or attachments, and regularly update antivirus software. If Miicrosoft is detected, immediate removal is advised to mitigate potential damage. Users should remain vigilant for any unusual activity and take proactive measures to safeguard their systems against trojan horse viruses and other forms of malware.

The Miicrosoft infection

Is Miicrosoft a Virus?

The Miicrosoft infection may make various changes to the compromised system and to the software that is installed on it. The hackers who are in control may use Miicrosoft to collect system information and send it to a remote server. The good news is that a good security program can identify the infection and notify you about it. Although the Trojan can sometimes be detected, however, removing it can be rather difficult due to its specifics. This is because this type of malware is designed to prevent its detection and removal by using various disguise tactics. For example,Miicrosoft may hide its files and processes by giving them names similar to those of legitimate files and processes and it may also mimic regular system functions.

Miicrosoft Virus

The authors of Trojans like the Miicrosoft virus typically spread their malware through infected spam emails, different malicious ads, pop-ups, misleading offers, free software installers, torrents and various sketchy sites. The goal of the criminals is to lure the web users into opening a malicious link or an infected file attached to some spam message. Once the victim clicks on the link or starts downloading the file, the Trojan Horse gets automatically downloaded onto the computer without showing any visible symptoms. The lack of visible indications is exactly what makes this malware so dangerous because it can secretly operate in the background of your system without your knowledge and can attack you out of the blue. Once you detect it, however, you should take immediate actions to eradicate the nefarious infection. If you delay the removal of the Miicrosoft virus , you’d not only risk the safety of your computer but also your own virtual security and privacy. Keep in mind, though, that this is a very dangerous malware piece that is programmed to hide its presence and attempting to get rid of it may cause permanent damage to your system if you don’t use the proper tools.


Type Trojan
Detection Tool

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Miicrosoft Removal

To try and remove Miicrosoft 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 Miicrosoft extension (as well as any other unfamiliar ones).
  4. Remove Miicrosoft by clicking on the Trash Bin icon next to its name.
  5. Confirm and get rid of Miicrosoft and any other suspicious items.

If this does not work as described please follow our more detailed Miicrosoft 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 may require you to exit the page. Bookmark it for later reference.
Next, Reboot in Safe Mode (use this guide if you don’t know how to do it).

Step1 Uninstall the Miicrosoft app and kill its processes

The first thing you must try to do is look for any sketchy installs on your computer and uninstall anything you think may come from Miicrosoft. After that, you’ll also need to get rid of any processes that may be related to the unwanted app by searching for them in the Task Manager.

Note that sometimes an app, especially a rogue one, may ask you to install something else or keep some of its data (such as settings files) on your PC – never agree to that when trying to delete a potentially rogue software. You need to make sure that everything is removed from your PC to get rid of the malware. Also, if you aren’t allowed to go through with the uninstallation, proceed with the guide, and try again after you’ve completed everything else.

  • Uninstalling the rogue app
  • Killing any rogue processes

Type Apps & Features in the Start Menu, open the first result, sort the list of apps by date, and look for suspicious recently installed entries.

Click on anything you think could be linked to Miicrosoft, then select uninstall, and follow the prompts to delete the app.

delete suspicious Miicrosoft apps

Press Ctrl + Shift + Esc, click More Details (if it’s not already clicked), and look for suspicious entries that may be linked to Trojan Miicrosoft.

If you come across a questionable process, right-click it, click Open File Location, scan the files with the free online malware scanner shown below, and then delete anything that gets flagged as a threat.

Each file will be scanned with up to 64 antivirus programs to ensure maximum accuracy
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This file is not matched with any known malware in the database. You can either do a full real-time scan of the file or skip it to upload a new file. Doing a full scan with 64 antivirus programs can take up to 3-4 minutes per file.
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    Delete Miicrosoft files and quit its processes.

    After that, if the rogue process is still visible in the Task Manager, right-click it again and select End Process.

    Step2 Undo Miicrosoft changes made to different system settings

    It’s possible that Miicrosoft has affected various parts of your system, making changes to their settings. This can enable the malware to stay on the computer or automatically reinstall itself after you’ve seemingly deleted it. Therefore, you need to check the following elements by going to the Start Menu, searching for them, and pressing Enter to open them and to see if anything has been changed there without your approval. Then you must undo any unwanted changes made to these settings in the way shown below:

    • DNS
    • Hosts
    • Startup
    • Task
    • Services
    • Registry

    Type in Start Menu: View network connections

    Right-click on your primary network, go to Properties, and do this:

    Undo DNS changes made by Miicrosoft

    Type in Start Menu: C:\Windows\System32\drivers\etc\hosts

    Delete Miicrosoft IPs from Hosts

    Type in the Start Menu: Startup apps

    Disable Miicrosoft startup apps

    Type in the Start Menu: Task Scheduler

    Delete Miicrosoft scheduled tasks

    Type in the Start Menu: Services

    Disable Miicrosoft services

    Type in the Start Menu: Registry Editor

    Press Ctrl + F to open the search window

    Clear the Registry from Miicrosoft items

    About the author


    Lidia Howler

    Lidia is a web content creator with years of experience in the cyber-security sector. She helps readers with articles on malware removal and online security. Her strive for simplicity and well-researched information provides users with easy-to-follow It-related tips and step-by-step tutorials.

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