Its Not That Suspicious but I Uploaded It Anyway

Summary

The Windows Malicious Software Removal Tool (MSRT) helps remove malicious software from computers that are running any of the following operating systems:

• Windows 10

• Windows Server 2019

• Windows Server 2016

• Windows 8.1

• Windows Server 2012 R2

• Windows Server 2012

• Windows Server 2008 R2

• Windows 7

• Windows Server 2008

Microsoft releases the MSRT on a monthly cadency as part of Windows Update or as a standalone tool. Utilise this tool to discover and remove specific prevalent threats and opposite the changes they accept made (run into covered malware families). For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.

This commodity contains information about how the tool differs from an antivirus or antimalware production, how y'all can download and run the tool, what happens when the tool finds malware, and tool release data. It also includes information for the administrators and advanced users, including information nigh supported command-line switches.

More data

The MSRT does not supercede an antivirus product. It is strictly a post-infection removal tool. Therefore, we strongly recommend that you install and employ an up-to-engagement antivirus product.

The MSRT differs from an antivirus product in three important ways:

• The tool removes malicious software from an already-infected reckoner. Antivirus products cake malicious software from running on a computer. It is significantly more desirable to block malicious software from running on a computer than to remove it after infection.

• The tool removes but specific prevalent malicious software. Specific prevalent malicious software is a small subset of all the malicious software that exists today.

• The tool focuses on the detection and removal of agile malicious software. Active malicious software is malicious software that is currently running on the computer. The tool cannot remove malicious software that is not running. Even so, an antivirus production can perform this task.

For more information about how to protect your computer, become to the Microsoft Prophylactic & Security Center website.

Notation The MSRT focuses on the detection and removal of malicious software such as viruses, worms, and Trojan horses merely. It does not remove spyware.

Yous do non have to disable or remove your antivirus plan when you install the MSRT. However, if prevalent, malicious software has infected your computer, the antivirus program may notice this malicious software and may forbid the removal tool from removing it when the removal tool runs. In this case, you can utilise your antivirus program to remove the malicious software.

Considering the MSRT does not contain a virus or a worm, the removal tool alone should non trigger your antivirus program. However, if malicious software infected the computer earlier you installed an up-to-date antivirus program, your antivirus program may not detect this malicious software until the tool tries to remove it.

The easiest fashion to download and run the MSRT is to plow on Automatic Updates. Turning on Automatic Updates guarantees that you receive the tool automatically. If y'all have Automated Updates turned on, you have already been receiving new versions of this tool. The tool runs in Placidity mode unless it finds an infection. If you lot accept non been notified of an infection, no malicious software has been found that requires your attention.

Enabling automatic updates

To plow on Automatic Updates yourself, follow the steps in the following table for the operating system that your computer is running.

If your figurer is running:	Follow these steps:
Windows x	Select the Showtime  button, and then selectSettings  > Update & security > Windows Update . If you want to check for updates manually, selectCheck for updates. Select Advanced options, and and so underChoose how updates are installed, selectAutomated (recommended). Note Windows 10 is a service. This means that automatic updates are turned on by default and your PC always has the latest and best features.
Windows 8.1	Open Windows Update past swiping in from the correct edge of the screen (or, if you're using a mouse, pointing to the lower-correct corner of the screen and moving the mouse pointer upward), selectSettings  > Change PC settings> Update and recovery> Windows Update. If you want to check for updates manually, selectCheck now. SelectCull how updates go installed, and and then underImportant updates, selectInstall updates automatically (recommended). UnderRecommended updates, select theGive me recommended updates the same way I receive important updates check box. NetherMicrosoft Update, select theGive me updates for other Microsoft products when I update Windows cheque box, and then selectApply.
Windows seven	Click Start , point to All Programs, and so click Windows Update. In the left pane, click Alter settings. Click to select Install updates automatically (recommended). Under Recommended updates, click to select the Give me recommended updates the same way I receive important updates check box, and and then click OK. If you lot are prompted for an authoritative countersign or for confirmation, type the password or provide confirmation. Go to step 3.

Download the MSRT. You lot must take the Microsoft Software License Terms. The license terms are only displayed for the first time that you admission Automatic Updates.

Note Afterward you accept the onetime license terms, you can receive hereafter versions of the MSRT without being logged on to the computer equally an administrator.

The MSRT runs in Quiet mode. If information technology detects malicious software on your figurer, the adjacent time that yous log on to your estimator as a calculator administrator, a balloon appears in the notification area to make you aware of the detection.

Performing a full scan

If the tool finds malicious software, y'all may exist prompted to perform a full scan. We recommend that you perform this scan. A full scan performs a quick scan then a full scan of the computer, regardless of whether malicious software is found during the quick browse. This browse can take several hours to complete because it volition scan all fixed and removable drives. However, mapped network drives are not scanned.

Removing malicious files

If malicious software has modified (infected) files on your estimator, the tool prompts you to remove the malicious software from those files. If the malicious software modified your browser settings, your homepage may exist changed automatically to a folio that gives you directions on how to restore these settings.

You tin make clean specific files or all the infected files that the tool finds. Exist aware that some data loss is possible during this process. Too, be enlightened that the tool may be unable to restore some files to the original, pre-infection state.

The removal tool may asking that you restart your reckoner to complete the removal of some malicious software, or it may prompt you to perform manual steps to consummate the removal of the malicious software. To complete the removal, you should employ an upwardly-to-engagement antivirus product.

Reporting infection information to Microsoft The MSRT sends basic information to Microsoft if the tool detects malicious software or finds an error. This information will be used for tracking virus prevalence. No identifiable personal information that is related to yous or to the computer is sent together with this report.

The MSRT does not use an installer. Typically, when you run the MSRT, it creates a randomly named temporary directory on the root drive of the computer. This directory contains several files, and information technology includes the Mrtstub.exe file. Most of the time, this folder is automatically deleted afterward the tool finishes running or after the next fourth dimension that you start the computer. However, this folder may not always be automatically deleted. In these cases, yous tin manually delete this folder, and this has no adverse upshot on the calculator.

How to receive support

Help protect your figurer that is running Windows from viruses and malware: Virus Solution and Security Center

Help installing updates: Support for Microsoft Update

Local support according to your country: International Support.

Microsoft Download Heart

You lot can manually download the MSRT from the Microsoft Download Center. The following files are available for download from the Microsoft Download Center:

For 32-fleck x86-based systems:

Download the x86 MSRT bundle at present.

For 64-bit x64-based systems:

Download the x64 MSRT package now.

Release Appointment: April 12, 2022.

For more information well-nigh how to download Microsoft support files, meet How to obtain Microsoft support files from online services.

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was bachelor on the engagement that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Deploying the MSRT in an enterprise environment

If you lot are an IT administrator who wants more than information about how to deploy the tool in an enterprise environment, meet Deploy Windows Malicious Software Removal Tool in an enterprise environment.

This commodity includes information about Microsoft Systems Management Server (SMS), Microsoft Software Update Services (MSUS), and Microsoft Baseline Security Analyzer (MBSA).

Except where noted, the information in this section applies to all the ways that you can download and run the MSRT:

• Microsoft Update

• Windows Update

• Automated Updates

• The Microsoft Download Center

• The MSRT website on Microsoft.com

To run the MSRT, the following conditions are required:

• The computer must be running a supported version of Windows.

• You lot must log on to the computer past using an account that is a member of the Administrators group. If your logon account does not take the required permissions, the tool exits. If the tool is non beingness run in placidity mode, it displays a dialog box that describes the failure.

• If the tool is more than than 215 days (7 months) out of engagement, the tool displays a dialog box that recommends that yous download the latest version of the tool.

Back up for command-line switches

The MSRT supports the following command line switches.

Switch	Purpose
/Q or /quiet	Uses quiet mode. This option suppresses the user interface of the tool.
/?	Displays a dialog box that lists the control-line switches.
/N	Runs in discover-but mode. In this mode, malicious software will be reported to the user, merely it will not be removed.
/F	Forces an extended scan of the calculator.
/F:Y	Forces an extended scan of the computer and automatically cleans any infections that are found.

Usage and release information

When you lot download the tool from Microsoft Update or from Automatic Updates, and no malicious software is detected on the computer, the tool will run in quiet fashion next time. If malicious software is detected on the figurer, the side by side time that an administrator logs on to the computer, a airship will appear in the notification area to notify you of the detection. For more information about the detection, click the airship.

When yous download the tool from the Microsoft Download Center, the tool displays a user interface when it runs. However, if you supply the /Q command-line switch, it runs in repose mode.

Release information

The MSRT is released on the second Tuesday of each month. Each release of the tool helps find and remove current, prevalent malicious software. This malicious software includes viruses, worms, and Trojan horses. Microsoft uses several metrics to determine the prevalence of a malicious software family and the damage that can be associated with it.

This Microsoft Knowledge Base of operations article volition be updated with data for each release then that the number of the relevant article remains the aforementioned. The name of the file volition be changed to reflect the tool version. For example, the file name of the February 2020 version is Windows-KB890830-V5.80.exe, and the file name of the May 2020 version is Windows-KB890830-V5.82-ENU.exe.

The following table lists the malicious software that the tool can remove. The tool can also remove any known variants at the time of release. The table also lists the version of the tool that kickoff included detection and removal for the malicious software family.

Reporting component

The MSRT sends data to Microsoft if it detects malicious software or finds an error. The specific information that is sent to Microsoft consists of the following items:

• The proper noun of the malicious software that is detected

• The result of malicious software removal

• The operating organisation version

• The operating organization locale

• The processor architecture

• The version number of the tool

• An indicator that notes whether the tool is being run by Microsoft Update, Windows Update, Automatic Updates, the Download Center, or from the website

• An bearding GUID

• A cryptographic one-way hash (MD5) of the path and file name of each malicious software file that is removed from the reckoner

If evidently malicious software is institute on the computer, the tool prompts you lot to send data to Microsoft beyond what is listed here. You are prompted in each of these instances, and this information is sent only with your consent. The additional information includes the following:

• The files that are suspected to be malicious software. The tool will identify the files for you.

• A cryptographic 1-way hash (MD5) of any suspicious files that are detected.

You can disable the reporting feature. For data most how to disable the reporting component and how to prevent this tool from sending information to Microsoft, run into Deploy Windows Malicious Software Removal Tool in an enterprise environs.

Possible scanning results

After the tool runs, there are iv main results that the removal tool tin can study to the user:

• No infection was institute.

• At least 1 infection was establish and was removed.

• An infection was found but was not removed.

  Note This result is displayed if suspicious files were found on the reckoner. To assistance remove these files, you should use an up-to-date antivirus production.

• An infection was establish and was partially removed.

  Note To consummate this removal, you should utilize an up-to-date antivirus product.

Frequently asked questions about the MSRT

A3: Yes. Per the terms of this tool's license terms, the tool can be redistributed. However, make sure that you are redistributing the latest version of the tool.

A4: If y'all are a Windows vii user, utilize Microsoft Update or the Microsoft Update Automatic Updates functionality to test whether y'all are using the latest version of the tool. If you have chosen not to use Microsoft Update, and y'all are a Windows vii user, use Windows Update. Or, utilize the Windows Update Automatic Updates functionality to test whether you are using the latest version of the tool. Additionally, y'all can visit the Microsoft Download Center. Too, if the tool is more than 60 days out of date, the tool reminds you to wait for a new version of the tool.

A5: No. The Microsoft Knowledge Base of operations commodity number for the tool will remain every bit 890830 for future versions of the tool. The file proper name of the tool when it is downloaded from the Microsoft Download Center will change with each release to reverberate the calendar month and the year when that version of the tool was released.

A6: Currently, no. Malicious software that is targeted in the tool is based on metrics that rails the prevalence and damage of malicious software.

A8: Several scenarios may prevent y'all from seeing the tool on Microsoft Update, Windows Update, or Automatic Updates:

• If y'all have already run the current version of the tool from Windows Update, Microsoft Update, Automated Updates, or from either of the other two release mechanisms, it will not exist reoffered on Windows Update or Automatic Updates.

• For Automatic Updates, the kickoff time that you run the tool, you lot must exist logged on equally a member of the Administrators group to have the license terms.

A9: The tool is offered to all supported Windows and Windows Server versions that are listed in the "Summary" section if the following atmospheric condition are truthful:

• The users are running the latest version of Windows Update or Windows Update Automatic Updates.

• The users have not already run the current version of the tool.

A11: Yes. Even if at that place are no new security bulletins for a item month, the Malicious Software Removal Tool will exist rereleased with detection and removal support for the latest prevalent malicious software.

A12: When you lot are first offered the Malicious Software Removal Tool from Microsoft Update, Windows Update, or Automatic Updates, you can pass up downloading and running the tool by declining the license terms. This action can apply to just the current version of the tool or to both the current version of the tool and any futurity versions, depending on the options that you choose. If y'all take already accepted the license terms and adopt not to install the tool through Windows Update, clear the checkbox that corresponds to the tool in the Windows Update UI.

A13: If it is downloaded from Microsoft Update or from Windows Update, the tool runs only one fourth dimension each calendar month. To manually run the tool multiple times a month, download the tool from the Download Center or past visiting the Microsoft Safe & Security Center website.

For an online scan of your system by using the Windows Alive OneCare safety scanner, go to the Microsoft Rubber Scanner website.

A14: Currently, the Malicious Software Removal Tool is non supported on a Windows Embedded computer.

A15: No. Unlike most previous cleaner tools that were produced by Microsoft, the MSRT has no security update prerequisites. All the same, we strongly recommend that yous install all critical updates before yous use the tool, to help foreclose reinfection by malicious software that takes advantage of security vulnerabilities.

A18: Yep. Y'all can use the microsoft.public.security.virus newsgroup.

A19: In some cases, when specific viruses are found on a system, the cleaner tool tries to repair infected Windows organization files. Although this activity removes the malicious software from these files, information technology may likewise trigger the Windows File Protection feature. If you see the Windows File Protection window, we strongly recommend that you follow the directions and insert your Microsoft Windows CD. This volition restore the cleaned files to their original, pre-infection state.

A20: Yes, the tool is available in 24 languages.

A21: The tool does use a file that is named Mrtstub.exe for certain operations. If you verify that the file is signed by Microsoft, the file is a legitimate component of the tool.

A22: Yes. If you accept run the MSRT before you start the computer to Safe fashion, yous can admission MSRT at %windir%\system32\mrt.exe. Double-click the Mrt.exe file to run the MSRT, and so follow the on-screen instructions.

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Source: https://support.microsoft.com/en-us/topic/remove-specific-prevalent-malware-with-windows-malicious-software-removal-tool-kb890830-ba51b71f-39cd-cdec-73eb-61979b0661e0

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