Kmsss.exe: What It Is & Should I Remove It?

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Written by: Stelian Pilici

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Have you ever come across the file name “Kmsss.exe” on your Windows computer and wondered what it is? This file is often associated with Microsoft Office and Windows activation, but it can also be a sign of malware. In this article, we will explore what Kmsss.exe is, its potential risks, and whether you should remove it from your system.

Windows Task Manager

What is Kmsss.exe?

Kmsss.exe is a file that is commonly associated with Microsoft Office and Windows activation. It is often used by software pirates to activate unlicensed copies of Microsoft products. The file is not a part of the official Microsoft Office or Windows installation and is not required for the proper functioning of these products.

However, it is important to note that not all instances of Kmsss.exe are malicious. Legitimate software tools, such as KMSAuto and KMSpico, use this file to activate licensed copies of Microsoft products. These tools are often used by IT professionals to manage software licenses in large organizations.

Is Kmsss.exe Malware?

While not all instances of Kmsss.exe are malicious, the file is often used by malware authors to distribute malware. Malware can be disguised as a legitimate version of KMSAuto or KMSpico, which can be downloaded from untrusted sources. Once installed, the malware can perform a variety of malicious activities, such as stealing sensitive information, installing additional malware, or encrypting files for ransom.

If you suspect that Kmsss.exe on your computer is malware, you should scan your system with a reputable antivirus or anti-malware software. We recommend using Malwarebytes Free, which is a popular and effective tool for detecting and removing malware.

How to Identify Malicious Kmsss.exe?

If you are unsure whether the Kmsss.exe file on your computer is legitimate or malicious, there are several ways to identify it:

  • Check the file location: The legitimate Kmsss.exe file is usually located in the “C:\Windows\AutoKMS” folder. If the file is located in a different folder, it may be a sign of malware.
  • Check the file size: The legitimate Kmsss.exe file is usually around 1 MB in size. If the file size is significantly larger or smaller, it may be a sign of malware.
  • Check the digital signature: The legitimate Kmsss.exe file is usually signed by “Microsoft Corporation.” If the file is not signed or signed by a different entity, it may be a sign of malware.

Should I Remove Kmsss.exe?

If you have determined that the Kmsss.exe file on your computer is legitimate and is used by a software tool such as KMSAuto or KMSpico, you may choose to keep it on your system. However, if you suspect that the file is malware or if you do not use any software tools that require it, we recommend removing it from your system.

To remove Kmsss.exe, you can use the following steps:

  1. Open the Task Manager by pressing Ctrl+Shift+Esc.
  2. Click on the “Processes” tab and look for “Kmsss.exe” in the list of running processes.
  3. Right-click on “Kmsss.exe” and select “End task.”
  4. Navigate to the “C:\Windows\AutoKMS” folder and delete the “Kmsss.exe” file.

Conclusion

Kmsss.exe is a file that is commonly associated with Microsoft Office and Windows activation. While it can be used by legitimate software tools, it is often used by malware authors to distribute malware. If you suspect that the Kmsss.exe file on your computer is malware, we recommend scanning your system with a reputable antivirus or anti-malware software such as Malwarebytes Free. If you have determined that the file is not required for any legitimate software tools, we recommend removing it from your system to reduce the risk of malware infection.

How to Stay Safe Online

Here are 10 basic security tips to help you avoid malware and protect your device:

  1. Use a good antivirus and keep it up-to-date.

    Shield Guide

    It's essential to use a good quality antivirus and keep it up-to-date to stay ahead of the latest cyber threats. We are huge fans of Malwarebytes Premium and use it on all of our devices, including Windows and Mac computers as well as our mobile devices. Malwarebytes sits beside your traditional antivirus, filling in any gaps in its defenses, and providing extra protection against sneakier security threats.

  2. Keep software and operating systems up-to-date.

    updates-guide

    Keep your operating system and apps up to date. Whenever an update is released for your device, download and install it right away. These updates often include security fixes, vulnerability patches, and other necessary maintenance.

  3. Be careful when installing programs and apps.

    install guide

    Pay close attention to installation screens and license agreements when installing software. Custom or advanced installation options will often disclose any third-party software that is also being installed. Take great care in every stage of the process and make sure you know what it is you're agreeing to before you click "Next."

  4. Install an ad blocker.

    Ad Blocker

    Use a browser-based content blocker, like AdGuard. Content blockers help stop malicious ads, Trojans, phishing, and other undesirable content that an antivirus product alone may not stop.

  5. Be careful what you download.

    Trojan Horse

    A top goal of cybercriminals is to trick you into downloading malware—programs or apps that carry malware or try to steal information. This malware can be disguised as an app: anything from a popular game to something that checks traffic or the weather.

  6. Be alert for people trying to trick you.

    warning sign

    Whether it's your email, phone, messenger, or other applications, always be alert and on guard for someone trying to trick you into clicking on links or replying to messages. Remember that it's easy to spoof phone numbers, so a familiar name or number doesn't make messages more trustworthy.

  7. Back up your data.

    backup sign

    Back up your data frequently and check that your backup data can be restored. You can do this manually on an external HDD/USB stick, or automatically using backup software. This is also the best way to counter ransomware. Never connect the backup drive to a computer if you suspect that the computer is infected with malware.

  8. Choose strong passwords.

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    Use strong and unique passwords for each of your accounts. Avoid using personal information or easily guessable words in your passwords. Enable two-factor authentication (2FA) on your accounts whenever possible.

  9. Be careful where you click.

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    Be cautious when clicking on links or downloading attachments from unknown sources. These could potentially contain malware or phishing scams.

  10. Don't use pirated software.

    Shady Guide

    Avoid using Peer-to-Peer (P2P) file-sharing programs, keygens, cracks, and other pirated software that can often compromise your data, privacy, or both.

To avoid potential dangers on the internet, it's important to follow these 10 basic safety rules. By doing so, you can protect yourself from many of the unpleasant surprises that can arise when using the web.

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