Overview

What is aswMBR?

aswMBR is a free rootkit scanner that has been designed to detect MBR/VBR/SRV rootkits such as ZAaccess, MBRroot/Sinowal, Whistler, Cidox

In depth

A closer look at aswMBR

aswMBR is a free rootkit scanner that has been designed to detect MBR/VBR/SRV rootkits such as ZAaccess, MBRroot/Sinowal, Whistler, Cidox, TDL4/3/Alureon, Pihar etc. aswMBR is thorough in it's ability to scan for rootkits that are associated with malware programs and can remove them when your 'standard' antivirus is not able to. As almost all rootkits alter the existing Master Boot Record, aswMBR has a powerful feature that allows it to write a new Master Boot Record. The FixMBR button will remove the suspected/infected Master Boot Record and write a fresh one.Key features include:

Lightweight and fast.
Powerful and efficient.
FixMBR can write a new Master Boot Record.

aswMBR is a powerful application that does exactly what it is designed to do, and it performs it quickly.

Requirements

System requirements

Windows (All Versions)

Verdict

Should you download aswMBR?

aswMBR runs on Windows 10/11 and is available under the Freeware license — the installer is 4.96 MB. We’ve catalogued it under Adware, Spyware and Virus Protection.

Verified clean. Every aswMBR build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.

aswMBR specifications

Category: Adware, Spyware and Virus Protection
Publisher: Avast Software
Last updated: May 1, 2026
Requirements: Windows (All Versions)
License: Freeware
Operating system: Windows 10/11
File size: 4.96 MB
Price: Free
Page views: 547

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aswMBR

What is aswMBR?

A closer look at aswMBR

System requirements

Should you download aswMBR?

aswMBR specifications

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