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Offline Scan Bootable USB - Malwarebytes

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i have a computer that is infected by a Malware/Viruses, before a reinstall OS, is it possible to run offline scan from bootable USB by Malwarebytes so i can scan OS disk and other internal disks.

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Hi   :welcome:

Sorry.  But no, the Malwarebytes for Windows has to be installed on Windows  and run from there.  It cannot run off a USB device.

You make no mention of just what malwares were identified by security programs.

You also made no mention of the Version of Windows.

I would suggest to have you run a report tool known as FRST. This has no personal information. It is a well-known & widely used &safe.
FRST will help provide me with a list of installed programs and other information about your computer that will help me see if there are any other problems that are not being detected. Please follow the steps below to run FRST.


1: Please download FRST from the link below and save it to your desktop:


"Download link for 32-Bit version Windows"

"Download link for 64-Bit Version Windows"

Please wait and look toward the top or bottom of your browser for the option to Run or Save.
Click Save to save the file version compatible with your system. If you are not sure which version applies to your system download both of them and try to run them. Only one of them will run on your system, that will be the right version.


Run report with FRST

Right-click on FRST icon and select Run as Administrator to start the tool , and reply YES to allow it to proceed and run.

_Windows 8 or 10 users will be prompted about Windows *SmartScreen protection* - click line More info information on that screen and click button Run anyway on next screen._

Click YES when prompted by Windows U A C prompt to allow it to run.
Note: If you are prompted by Windows SmartScreen, click More info & followup & choose Run anyway.


Approve the Windows UAC prompt on Windows Vista and newer operating systems by clicking on Continue or Yes. 

Click Yes when the* disclaimer* appears in FRST.
The tool may want to update itself - in that case you'll be prompted when the update is completed and ready to use.

Make sure that Addition options is *checked* - the configuration should look exactly like on the screen below (do not mark additional things unless asked).
Press Scan button and wait.





The tool will produce three logfiles on your desktop: _FRST.txt_ , _Addition.txt_ 
Click OK button when it shows up. Close the Notepad windows when they show on screen. The tool saves the files.

Please attach these 2 files to your next reply.

Thank you.

 

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By the way, if you want to consider, Kaspersky has a rescue disk which you can download / then setup on a USB bootable media / then do a scan of the disk to check for viruses & malware.

Kasperksy rescue disk ISO

https://usa.kaspersky.com/downloads/thank-you/free-rescue-disk

 

How to create a bootable USB drive for Kaspersky Rescue Disk

https://support.kaspersky.com/14226#block1

 

https://www.howtogeek.com/howto/36403/how-to-use-the-kaspersky-rescue-disk-to-clean-your-infected-pc/

 

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it’s Resolved thank you, so much for your help. just want to check is there any other tool also available? As like semantic, etc.

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I don’t want to run the tool from window, as you know it is always better to run the scan outside the OS by running another disk or bootable volume, to make sure there are no threats in system files.

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I got your last reply.  I can understand .....but, you should run the scan with Malwarebytes for Windows anyway  and the result will shed light if you need other follow up.

 

also, if your OS is Windows 10, you should be able to run a Windows Defender Offline scan.

https://support.microsoft.com/en-us/help/17466/windows-defender-offline-help-protect-my-pc

 

My best wishes to you.   I am marking this case for closure.

 

Best  practices & malware prevention:
Follow best practices when browsing the Internet, especially on opening links coming from untrusted sources.
First rule of internet safety: slow down & think before you "click".

Never click links without first hovering your mouse over the link and seeing if it is going to an odd address ( one that does not fit or is odd looking or has typos).


Free games & free programs are like "candy". We do not accept them from "strangers".


Never open attachments that come with unexpected ( out of the blue ) email no matter how enticing.
Never open attachments from the email itself. Do not double click in the email. Always Save first and then scan with antivirus program.
 

 

Pay close attention when installing 3rd-party programs. It is important that you pay attention to the license agreements and installation screens when installing anything off of the Internet. If an installation screen offers you Custom or Advanced installation options, it is a good idea to select these as they will typically disclose what other 3rd party software will also be installed.
Take great care in every stage of the process and every offer screen, and make sure you know what it is you're agreeing to before you click "Next".

Use a Standard user account rather than an administrator-rights account when "surfing" the web.
See more info on Corrine's SecurityGarden Blog http://securitygarden.blogspot.com/p/blog-page_7.html
Dont remove your current login. Just use the new Standard-user-level one for everyday use while on the internet.

 
Do a Windows Update.

Make certain that Automatic Updates is enabled.
https://support.microsoft.com/en-us/help/12373/windows-update-faq




Keep your system and programs up to date. Several programs release security updates on a regular basis to patch vulnerabilities. Keeping your software patched up prevents attackers from being able to exploit them to drop malware.

For other added tips, read "10 easy ways to prevent malware infection"

.

All the best.

Sincerely,

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