Bootcamp and infected windows


Oct 17, 2017
If my windows in bootcamp was tampered with to hack my passwords and personal information will the Mac user interface portion in the bootcamp remain normal? If the hack was from the windows I had been given ( I had been given a windows that had an unknown source which I then used to make bootcamp in my computer.) will the Mac partition remain free from that hack?


Nov 21, 2006
From Private Message

For a fresh legitimate install of Windows 10 on your Mac. You are going to want to delete your current Windows partition, download the Windows 10 ISO from Microsoft and install from that ISO. The instructions provided assume you are doing everything from macOS X not Windows.
Most of these instructions are copied and pasted from other articles. Sources provided at beginning of each section. Instruction text has been abbreviated.

How to Remove a Windows Boot Camp Partition From Your Mac (iClarified)
1. Launch Boot Camp Assistant from the Applications:Utilities folder.
2. Click the Continue button.
3. Check only the Install or remove Windows 7 option and click Continue.
4. Choose Restore disk to a single Mac OS partition and click Continue.
5. Click the Restore button to begin.
6. You will be asked to login with your Administrative username and password. Enter these and click the OK button.
7. You disk will now be repartitioned to remove the Windows volume.
8. You will be informed that your disk has been restored as a single volume. Click the Quit button.

How to install Windows 10 on your Mac using Boot Camp Assistant (9to5 Mac)

Download the Windows 10 ISO
Step 1: Visit Microsoft’s Download Windows 10 Disc Image (ISO File) page. For Edition, choose Windows 10, and click Confirm. Next, select the desired language, and click Confirm. Finally, click the 64-bit Download button to begin the Windows 10 ISO download.

Run Boot Camp Assistant
Step 2: Once the ISO download is completed, launch Boot Camp Assistant in Applications → Utilities and click Continue.
Step 3: Click the Choose button next to the ISO image box, and select the ISO file downloaded in step 1.
Step 4: Adjust the Boot Camp partition size by moving the Windows partition to the desired amount of space.
Step 5: After selecting the ISO file and adjusting the partition sizes, click Install. The Boot Camp Assistant will download Windows support software, partition the disk, and copy the necessary Windows files to get started. You will then be prompted to enter your administrator password, and shortly thereafter, macOS will reboot into Windows Setup.
Install Windows 10
Step 6: Upon reboot you’ll see the Windows logo followed by the Windows Setup screen. Select the desired language, time and country format, along with keyboard or input method, and click Next.
Step 7: You’ll now arrive at the Activate Windows box. If you already have a Windows 10 product key, enter it and click Next. Otherwise, click I don’t have a product key at the bottom of the box.
Step 8: Select either Windows 10 Pro or Windows 10 Home. Click Next after choosing the desired version.
Step 9: On the Applicable notices and license terms screen, check the I accept the license terms box in the bottom left-hand corner, and click Next.
Step 10: The installation process will now commence. Windows Setup will copy needed files, and install features and updates. The installation process should only take a few minutes. Once it’s complete, your Mac will automatically reboot after 10 seconds.
Step 11: Upon rebooting, the Windows logo will appear again, and the setup process will continue and reboot again. Eventually. You’ll see the blue Get going fast screen. You can opt to use express settings, but I recommend clicking the Customize button and disabling most, if not all of the switches. Click Next to proceed to the next pages and repeat the process.
Step 12: You’ll now be asked to create an account. An account name is required, but a password is not. Click Next once you select the desired user name and password combination.
Step 13: On the Meet Cortana screen, you can choose to enable the Cortana personal assistant. I recommend keeping it disabled by clicking the Not now button.
Step 14: Windows will now finish up the setup process, and you’ll eventually be taken to the Windows 10 desktop. On the Welcome to Boot Camp installer box, click Next and accept the terms of the license agreement. Click Install to proceed with the installation. If any additional driver installation boxes appear, be sure to Install those as well. Once the installer completes, make sure the Restart System box is checked, and click Finish to reboot your machine.
Step 16: Upon rebooting, click the Wi-Fi icon in the system tray and connect to your local Wi-Fi network.
Apple Software Update
Note: This next step is very important, because it updates to the latest sound driver. The initial driver is known to cause speaker problems, so it’s important that you update.
Step 17: Click the Start Button and select Apple Software Update. Select any of the updates that appear, and click the Install items button in the bottom right-hand corner. Click Yes on the User Account Control pop up windows that appears, and click Install on any additional related software installations.
Step 18: Ensure that any in-progress installations complete, and then click Yes on the Apple Software Update Restart pop up window that appears. Your Mac will reboot back into Windows 10.
Step 19: Finally, go to Start → Settings → Update & security, and click the Check for updates button. Windows will download any needed updates, and prompt you to restart after doing so. Click Restart now to complete the installation and reboot.



Why on earth would you use a Windows install from an unknown source, which, as you suggest, might have malware built in?

Your Mac instance is not the worry, but rather all your actual passwords, and other data.

A Windows "virus/trojan/malware" can't directly infect a Mac instance. But it may be able to read data off any connected drive, no matter what the OS.


Apr 17, 2016
There’s no sure way to answer this as you have no idea what form of malware has infected your computer. Some worms are able to cross to different platforms and some aren’t. Keyloggers and rootkits can also do the same thing. There are so many different things out there that it’s impossible to tell until it’s too late or a professional is able to review the infected code within your Windows copy.

My advice would be to completely ditch that copy of Windows and the drive you have it on. Back up all of you data that you need (word documents, pictures, etc.) and nuke that drive with either killdisk or some other drive wiper. You could also just get a new drive all together.


Nov 21, 2006
Windows cannot natively read an HFS+ partition. Unless you installed a third party program like Paragon HFS+. Windows cannot read or write to the Mac volume. If you are using Filevault on the Mac side. There is no chance of them reading the Mac files.

If you setup a shared partition. Say formatted with ExFAT. Then a virus could read/write to that.

You know you can legally use Windows 10 for free as long as you want. You just have to live with a small watermark on the desktop and lose some very minor personalization options in the Settings app.

You can download the ISO directly from MS.



Oct 17, 2017

It is only simply partitioned. by sharing partition what does that mean and it doesn't do that automatically when partitioning to have a Windows? Wow interesting way to get Windows, thank you for providing me that bit! If i replace it with the ISo will the infected part be gone meaning this person is done being able to do more?



So your Mac is the host, and you have a partition with this malware infested Windows instance on the same drive?
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