Sometimes, your computer will be infected by the macro virus by accident. This post tells you what the macro virus is and how to get rid of the macro virus. What’s more, you can know how to prevent it on Windows 10. Now, you can read this post from MiniTool to get detailed information.

Macro Virus


What is a macro virus? The macro virus is a computer virus written in the same macro language as software applications. There are two examples of applications with powerful macro languages – Microsoft Word and Excel. The language is embedded in the document, which will make them run automatically when opening documents.

If these files are infected by the macro virus, the documents or other computer software may be damaged. When opening the infected files, the macro virus will release a series of operations that start automatically, and then the computer will be damaged.

The macro viruses can create new files, send files, destroy data, move text, format hard drives, and insert pictures. Besides, all the operating systems can be destroyed by it.

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The macro virus has two types – the concept virus and the melissa virus. The following are the details:

1. Concept Virus

The first type of macro virus is the concept virus. It appeared in July 1995 and targeted Microsoft Word.

2. Melissa Virus

Melissa appeared on March 26, 1999. It was the first macro virus with an email worm trait. It was spreading via email and it infected tens of thousands within hours. It was one of the most serious epidemics in Internet history.


Now, let’ see the risks of the macro virus. The ability to spread quickly is the main risk of the macro virus. Once the macro is run, the other files on your computer will be infected. Besides, you need to pay more attention to that the macro virus is cross-platform. The same codes can be used to infect Windows and Mac.

What’s more, any utility that uses macros can be run as a host and sent the virus via email. Then any copy of the infected program stored on the disk or USB drive will contain a virus.


To determine if your computer is infected by the macro virus, the following signs may be helpful to you.

  • Your computer saves the document as a “template” file.
  • Your computer requires you to enter a password on a file that normally does not require a password.
  • Your computer displays strange error messages.
  • Your computer is running slower than normal. Maybe you need this post – 10 Reasons for PC Runs Slow with Windows 10/8/7.
Tip: To learn more detailed information on the sighs of infection, this post – How to Know If Your Computer Has a Virus: Signs of Infection is what you need.

Spreading Methods

Macro viruses are usually spread via phishing emails that contain attachments that have been embedded in the virus. The virus will access the files in the recipient’s address book and everyone in the contact list will receive the infected email.

Many recipients will open it since the email looks like it came from a reliable source. Once the infected macro is run, it can jump to all other documents on your computer and the documents will be infected.

The most common methods of spreading macro viruses include:

  • Share files on the network.
  • Open the file that is an email attachment.
  • Download files via a modem and then open the file.
  • Download files via the Internet or an intranet and then open the file.

How to Get Rid of the Macro Virus

It’s annoying to meet the macro virus and you may ask – how to get rid of the macro virus. If you want to get rid of it, deleting it with reliable software is a good idea. The most trusted antivirus software prevents macros from downloading malware to your computer. Maybe you are interested in this post – Is Antivirus Necessary for Windows 10/8/7? Get the Answer.

You can also delete the macro virus manually. The steps are as follows:

Step 1: Press the Shift key when you open the document to open it in Safe Mode. It allows you to check if a macro exists in the document.

Step 2: If you find the macro virus, you can start to delete it. Click View in Word or Excel, then select Macros and click Organizer.

Step 3: In the dropdown menu, you can select the infected file and delete it.

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How to Prevent the Macro Virus

After getting rid of the macro virus, you may want to know how to prevent the macro virus.

1. Install and Update Antivirus Software

How to avoid the macro virus? Installing antivirus software is one of the useful methods. Besides, you need to update the antivirus software regularly to make sure that new macro viruses are detected and removed.

2. Set a Security Level in Microsoft Word

You can also set a security level in Microsoft Word to avoid the macro virus. Please follow the steps below to set the security level:

Step 1: On the Tools menu, go to Macro, and then click Security.

Step 2: On the Security Level tab, select the security level that you want, and then click OK.

What’s more, it’s recommended to use digital signatures to prevent the macro virus.

3. Make Sure the System Is the Latest

You need to make sure the Windows system is the latest. Windows updates can help you fix a lot of system issues and bugs. You can try installing the latest Windows updates to prevent infecting the macro virus.

Step 1: Right-click the Start menu and choose Settings.

Step 2: On the Settings window, select Update & Security.

Step 3: Under the Windows Update section, click the Check for updates button to check if there are any new updates. Then Windows will search for available updates. Just follow the on-screen instructions to finish the process.

click the Check for updates button

4. Lock the Global Template (

To reduce the chance of infecting the macro virus, you had better follow these steps to lock your global template ( with a password:

Step 1: On the Tools menu, navigate to Macro and then click Visual Basic Editor.

Step 2: Click This Document in the Project window. If the Project window does not appear, you can click Project Explorer on the View menu.

Step 3: On the Tools menu, click Project Properties. On the Protection tab, check the Lock project for viewing box.

Step 4: Type a password in the Password box. Type the same password in the Confirm password box and click OK.

Step 5: On the File menu, click Close and return to Microsoft Word. In Microsoft Word, press the Shift key and click Save All on the File menu.

Step 6: When you see the following message – “Changes have been made that affect the global template, Do you want to save those changes?”, you need to click Yes.

5. Back up You Data Regularly

Just now, you have known that the macro virus will cause data loss. If you back up your files in advance, then you can recover your data when your data gets lost. Thus, it’s essential to back up your important data. It is recommended to make a backup for your computer. After that, you can keep your PC and data safe.

Meanwhile, how to back up your important data? To do that, you can use the professional Windows backup software – MiniTool ShadowMaker. It is designed to back up the operating system, partitions, disks, files, and folders.

It is also a clone tool that can help you to clone the OS from HDD to SSD without data loss. So, besides creating a system image, you can also choose to clone the OS disk to another hard drive to safeguard your PC.

This backup software offers a Trial Edition that allows a 30-day free trial for all backup features. If you want to use it permanently, get its Pro Edition. Now you can download and try MiniTool ShadowMaker to back up your PC.

MiniTool ShadowMaker TrialClick to Download100%Clean & Safe

Here I take file backup as an example:

Step 1: Decide a Backup Mode

  1. Launch MiniTool ShadowMaker and click Keep Trial to continue.
  2. Click Connect in This Computer to enter its main interface.

click Connect in This Computer to enter its main interface

Tip: You can also connect the remote computer as long as they are on the same LAN.

Step 2: Select Backup Source

  1. Go to the Backup page after you enter its main interface,
  2. Then click the Source module to choose the backup source.
  3. Choose Folders and Files and choose the files you want to back up.

choose the files you want to back up

Step 3: Select the Backup Destination

  1. After selecting the backup source, you need to select the backup destination to save the backup images. Click the Destination module to continue.
  2. MiniTool ShadowMaker provides four destination paths to be chosen. You can choose any one based on your own needs. Here I take New Volume(E) as an example.

Step 4: Start to Back up

After selecting the backup source and destination, you can click Back up Now to perform system backup immediately. Or you can click Back up Later, but you need to restart the task on the Manage page.

click Back up Now to perform system backup immediately

After all of the steps are finished, you have successfully backed up your files. With MiniTool ShadowMaker, you can provide better protection for your computer and keep it safe.

From this post, you have known some information on the macro virus. Besides, you can know how to get rid of the macro virus and how to prevent it.Click to Tweet

Bottom Line

This post has briefly shown you some basic information about the macro virus and you can know how to prevent it. Besides, this post also introduces you to a powerful program – MiniTool ShadowMaker, which can help you back up data to protect it.

If you have any problems when you are using our program, please let us know. Or if you have any suggestions, also tell us. Sending an email to [email protected] or leaving a comment below is available.

Macro Virus FAQ

What programs are most likely affected by a macro virus?
Microsoft Excel and Microsoft Word are most likely affected by a macro virus. When a macro virus infects these programs, it causes a sequence of actions to begin automatically when the application is opened.
Can a virus be attached to a Word document?
Yes, a virus can be attached to a Word document. Besides, any other application that uses a programming language can also be infected.
Can macros contain viruses?
Yes, macro contains viruses. Macro viruses are not like the operating system viruses since they don’t infect programs and they only infect documents and templates. When opening a document or template that contains a macro virus, your system will be infected and other documents & templates on your system will also be infected.
Can a PDF have a virus?
It’s not easy to infect the PDF, but it can have viruses or other hidden malware. As the most common e-mail attachment, PDF is usually aimed at destroying computer networks. The advanced form of PDF malware is not easily detected by Secure EMail gateways.
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