How To Run Avast Boot Scan From Command Prompt

Sometimes Windows 11/10 PCs are infected with viruses that normal scanning techniques cannot remove them. These viruses find a way to survive when trying to get rid of them by standard means. This is where the Startup Scan is required to be able to remove viruses before the operating system loads. In this post, we will share how you can use Avast Boot Scan to remove malware.

What is Boot Scan or Boot Time Scan?

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Boot time scanning is an advanced feature where the system is scanned before the operating system loads. It scans for known types of malware and removes threats before the operating system and other services start. Imagine this is a small tool that scans files with the minimum features needed for the software to run, scan and remove threats. Read: how to run avast startup scan from command prompt it can also be started manually. Read more: how to know when to let her go

How to use Avast Boot Scan to remove Malware from PC

Avast, like all the others, offers the option to schedule and run a Startup Scan. Users can schedule a Boot Time Scan, configure how the scan works and what actions should be taken based on sensitivity. You can also set up Startup Time scanning over automatic actions, but manually set the type of action to take when a threat is detected.

Launch Avast Antivirus and navigate to Protection > Virus Scan.

Click the gear icon or the settings icon on the right corner of the screen.

Select the Boot Time Scan tab and make sure to install the latest definitions.

Scroll a bit to find the option Perform tasks automatically during this scan. Check the box next to it. Next, choose actions:

Auto Repair (recommended): It will try to repair or repair the file first. If it doesn’t work, then it will move the file to Virus Chest or Quarantine. If that doesn’t work either, then the file is deleted.
Move files to Virus Repository: Instead of repairing, you can move files to quarantine. FIles here cannot infect PC.
Delete files: Delete files from your PC.

What is the Advanced Scan setting during boot time?

The sensitivity slider allows you to quickly set the antivirus level to detect threats in files.

Check for PUPs that are known to perform undesired operations.

Scan archives that Avast unzips for scanning.

Scan all hard disks or only System drives, this can save time.

Scan for programs that start automatically when you turn on your computer.

How to run Avast Boot Scan from Command Prompt?

Start Windows in Safe Mode with Command Prompt

Then navigate to C: Program FilesAvast SoftwareAvast using the CD . command

Type Sched / A: * or topqa.info / A: * and press the Enter key. You can also run schedule to see more options.

Restart the computer with shutdown /r

Post This Startup Scan will begin and the computer will boot normally once completed.

How to create and use rescue disk in Avast Antivirus?

If you want to scan your PC when the system is not running, you can use Rescue Disk to scan the system offline. This gives a significant advantage to malware detection and removal as it won’t backfire.

Launch Avast Antivirus and then go to Protection > Virus Scan

Click on the available Rescue Disk on the right side of the screen

Enter an empty USB drive, then select Create USB on the Rescue Disk screen

Then a small window will pop up and it will create a Rescue Disk.

Now connect the USB Drive to the PC

Boot into your PC’s BIOS or UEFI and change the boot order to USB

Restart the computer and the PC will use the USB drive to boot.

It will show Start Scan option where you can select all hard disks or selected folders or disks.

Choose to Edit automatically or manually.

Post it up, you will see the scan results.

What is the difference between Boot-Time vs Full Scan?

While Full Scan is better than Boot-Time, both serve different purposes. At the same time, Full Scan is run in Windows and is easy to scan and use. Boot-time scanning is used when a full scan fails because malware can resist the scan. Since the boot-time scan works when the operating system is not loaded, removing viruses is easy. I hope the article is easy to follow and you can use Avast Boot Scan to remove malware. Read more: Remove desktop Shortcut
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