IObit Malware Fighter 6 User Manual

IObit MalwareFighter 6

IObit Malware Fighter 6 is a powerful and comprehensive anti-malware and anti-virus program that protects your PC against malware and viruses in real-time. With the world leading Bitdefender antivirus Engine, IObit Anti-malware Engine, and Anti-ransomware Engine, IObit Malware Fighter 6 can remove the latest spyware, adware, ransomware, Trojans, keyloggers, bots, worms, hijackers, viruses, etc.

Meanwhile, IObit Malware Fighter 6 can also ensure you a more secure browser and system with Ransomware Guard, Browser Protect, and Security Guard. The new Safe Box and the improved Anti-ransomware Engine double protect your PC from the latest ransomware attacks. MBR Guard is added to protect your PC against the malicious attacks targeting MBR, like GoldenEye/Petya attacks. Besides, the upgraded IObit Cloud Security powered by you will greatly expand our database and enhance the threats detection and removal.

System Requirements

Operating Systems Supported

Windows XP/Vista/7/8/8.1/10

Hardware Requirements

1 GHz processor or faster processor

1 GB of RAM

1,000 MB of free hard disk space

1024*768 screen resolution and above

Download and Installation

1) Click here to download the latest IObit Malware Fighter 6.

2) Double-click the downloaded IObit-Malware-Fighter-Setup.exe to start the installation.


Windows 8 & earlier versions:

Open Start -> Click Control Panel -> Click Uninstall a program -> Find IObit Malware Fighter 6 and click Uninstall -> Follow the on-screen prompts

Windows 10 :

Open Start -> Click Settings -> Click System or Apps on the Settings menu -> Select Programs & Features or Apps & Features from the left panel -> Find IObit Malware Fighter 6 and click Uninstall -> Follow the on-screen prompts


Pro users can always enjoy the latest version and database automatically with Automatically update the program and database option ticked by default in Settings.

Free users can manually update IObit Malware Fighter 6 and its database with either of the options below:

1) Click at the top right of the main screen and select Check for Updates to update your program and/or database to the latest when updates are available.

2) Click in the main screen can also help you update the outdated database when your database is outdated.

3) Right click the icon in the system tray, and select Check for updates.


Note: A valid license code is required to activate the Pro version. If you forgot your license code, retrieve it here. You can also click here to purchase a new one.

Click the Enter Code link at the bottom right corner of IObit Malware Fighter 6 main screen, enter your license code, and click the Register Now button to activate the Pro version. Visit here for step-by-step activation instructions.

Manage License - After upgrading to the Pro version, you can click the Manage License link at the bottom right of the screen to check the detailed license information, Refresh your license, or Export License.

Main Screen

This is the first screen you may see after IObit Malware Fighter is installed and launched.

PC Status

When you open IObit Malware Fighter 6, you may see one of the following four PC status as below according to the current status of your PC.

1. YOUR PC IS SECURE - It indicates that your computer is fully protected by IObit Malware Fighter.

2. YOUR PC MAY NOT BE SECURE - It indicates that your IObit Malware Fighter is not fully functional. It happens when one or both of the following situations exists:

1). The database is outdated.

2). Functions under Browser Protect or Security Guard are not fully turned on.

Under these circumstances, please just click the Fix All button. Then the program will check and turn on all functions under Browser Protect and Security Guard and/or update the database simultaneously to get the full protection.

3. YOUR PC HAS NEVER BEEN SCANNED - It indicates IObit Malware Fighter has the latest database but your computer has never been scanned with IObit Malware Fighter. It happens when you install IObit Malware Fighter for the first time or after you perform a clean install of IObit Malware Fighter.

4. YOUR PC HAS NOT BEEN SCANNED FOR XX DAYS - It indicates database is up to date, but you haven't scanned with IObit Malware Fighter for 3+ days, you will get the notification to remind you to scan for your PC security.

Scan and Protect Engines

You can also check the 3 engines' status and details in the main screen.

IObit Anti-malware Engine is the core feature of IObit Malware Fighter and is enabled by default. You can not disable it to ensure your PC security.

Anti-ransomware Engine is off by default. You can enable it manually after you activated IObit Malware Fighter Pro to protect your PC from ransomware attacks.

Bitdefender Engine is off by default. You can enable it manually after you activated IObit Malware Fighter Pro.

Hovering your mouse on the icon of each engine can show you the details about the engine status and its database version. Clicking the expand icon will unfold the three engines in the main screen as below:

Notification Center

Click at the top right corner to check all missed notifications. And you can operate according to the corresponding notifications such as update database, enable engines, etc.


From the below Scan window, you can see 3 scan methods of IObit Malware Fighter: Smart Scan, Full Scan, Custom Scan.

Smart Scan - Quickly scan the most critical sections of your computer.

Full Scan - Comprehensively scan all hard drives for the deepest infections, and remove or quarantine them. Generally, Full Scan takes much longer time than Smart Scan, Custom Scan, and Right-click Scan.

Custom Scan - Enable you to only scan the items you selected. Besides listing all disks on your computer, it also displays System Critical Area and Memory Process as they are the areas that have the highest possibility of being infected. To scan these locations, just tick the checkbox each item and click Scan button. You can navigate to a specific folder on any disk to perform custom scan to save time instead of scanning the whole disk. You can also drag and drop a file/folder to scan it directly.

Right-click Scan - Excepting the three scan modes you see from the Scan window, IObit Malware Fighter also provides Right-click Scan. Just right-click on the item you want to scan and then select Scan with IObit Malware Fighter in the context menu.

In this new version, we also add quick access to Scan History and Auto Scan settings to the Scan window excepting list the three scan options.

Scan History - Click Scan History at the bottom right of the Scan window to open the summary history of the scan and click View Details to get details about the scan.

Auto Scan - It will direct you to the settings of Auto Scan so that you can configure the most appropriate scan method for your PC.

Scan Process

Once you start a scan (both Smart Scan and Full Scan), you will see the scan process looks like below. But for Custom Scan and Right-Click Scan, you can see only two processes: Initialize the database and Files. Additionally, Rootkit scan is only available in IObit Malware Fighter Pro.

Tick Automatically remove to remove the threats found automatically after scan. By clicking the dropdown arrow icon, you have 5 options as the picture shows: Automatically remove, Shut download PC after remove, Restart PC after remove, Hibernate after remove, and Sleep after remove.

Scan Results

1) If it does not detect any threats, the scanning result will show No threats found. Your PC is safe now . And you may get action recommendation according to your PC status such as run a Full Scan,etc.

2) If it detects threats, the scanning result will display the detailed information about the detected threats.

By right clicking on the threat, you will see six operations.

Open file location - Click to open the file location for the detected item.

Select All - Click to select all the threats found.

Deselect All - Click to deselect the threats found.

Invert Selection - Click to invert the selection.

Add to White List - Add this threat to White List and it won’t be scanned anymore unless it is removed from White List.

Save Report - Save the scan result report into a log file. You can use this report for further check or send us the report for investigation when False Positive happens.

Click Remove to remove the threats found on your PC or click Cancel to not deal with the threats found. However, it is highly recommended that you remove all the threats found to ensure your PC security.

Report False Positive - In case of a false positive, please click the Report False Positive link at the bottom left corner to open the feedback window and submit false positive to IObit. IObit Support Team will analyze the false positive and perform actions accordingly.

NOTE: Please refer to the Report False Positive section of this manual to get detailed information about how to report a false positive.

Ransomware Guard

There are two features under Ransomware Guard: Anti-ransomware Engine and Safe box. Both of the two features aim to protect your PC from ransomware attacks, but they protect in different ways to meet different requirements. Anti-ransomware protects the files on your PC as per the file types you ticked in its Settings, while Safe box protects the specified folders you added there.

You can click Settings to set according to your requirements. Please refer to below pictures.

Browser Protect

Click Browser Protect through sidebar to open the window below. These features can help protect your browsers in real-time and ensure you a safe and smooth surfing environment. Browser Protect provides 6 features as below to protect your browsers against threats.

Homepage Advisor - It monitors any change to your browser homepage and search engine, and notifies you to undo the change to prevent malicious modification. Currently, it supports Internet Explorer, Google Chrome, Mozilla Firefox, and Microsoft Edge. You can click Details text link to check the protection status and history, or adjust the settings to serve you better as the picture below:

Anti-Tracking - It protects you from being tracked by monitoring and cleaning harmful tracking data automatically once your browser is closed. Currently, it supports Internet Explorer, Google Chrome, Firefox, and Microsoft Edge. This feature is only available for IObit Malware Fighter Pro users.

Download Protection - It scans the downloaded files to keep your PC away from malicious files.

DNS Protect - It protects your system DNS settings from being modified by malware. You can click the Details link to select the DNS settings you want to protect.

Plugin / Toolbar Cleaner - It protects your browsers against the malicious plugins / toolbars. Currently, it supports Internet Explorer and Firefox. Click Manage to uninstall unwanted plugins / toolbars by IObit Uninstaller. If you haven't installed IObit Uninstaller, you will see the Install button. Click Install will lead you to download IObit Uninstaller first.

Surfing Protection & Ads Removal - It protects you against various online threats to secure your surfing experience, and keeps you undisturbed from annoying ads on webpages. Currently, it supports Internet Explorer, Google Chrome, and Firefox.

Security Guard

Click Security Guard on the sidebar to open Security Guard window. IObit Malware Fighter supplies 8 guards to fully protect your system against various of threats.

NOTE: Only IObit Malware Fighter Pro edition can get all guards unlocked.

By hovering your mouse over each guard, you will see the detailed explanation for each guard as follows:

Network Guard - Blocks web pages containing threats.

MBR Guard - Protects against the malicious attacks targeting MBR like GoldenEye/Petya attacks.

File Guard - Scans for threats when running unknown files.

Camera Guard - Protects your Camera from unauthorized access by unknown programs.

Startup Guard - Protects against suspicious malware at Windows Startup.

USB Disk Guard - Prevents USB virus from harming your PC. This feature is only available for IObit Malware Fighter Pro users.

Process Guard - Detects malicious process running in RAM. This feature is only available for IObit Malware Fighter Pro users.

Malicious Action - Detects threats by analyzing malicious actions. This feature is only available for IObit Malware Fighter Pro users.

Here you can also see details of your protect history by clicking Protect History.

Protect report - It records the total number of the analyzed files and detected threats.

Recently detected items - It shows the details of detected threats by Security Guard.

Action Center

To get better security protection and performance boost, Action Center recommends you other well-known IObit software. You can run the programs directly in Action Center once you installed them. Or click Install Now to install the program you might be interested in.

Note: Click Hide at the middle right of the window if you do not want the recommended programs, and click Show at the bottom right to display them again.


Click at the top right of main the screen and click Settings to set your settings for IObit Malware Fighter 6 according to your own needs and habits at first.

Note: Do not forget to click Apply and OK buttons to save your changes.

System Tray Icon

After launching IObit Malware Fighter, you will see an icon of your IObit Malware Fighter in the system tray. If your database is outdated, you can get the outdated notification and click Update Now to upddate the database directly here. When you have the latest database, hovering your mouse over the icon, you can see the status of your PC and the three engines. When all your engines are on, you can see the Scan Now and click it to scan your PC directly. If any of the engines are not enabled, you can click Turn On button to enable the engines. If any guard is off, you will get the notification,too. Certainly, it will show you if you do not scan your PC for more than 3 days. Please refer to below main situations:

Right click the icon of IObit Malware Fighter in the system tray and you can see the functions in the context menu as the picture below:

Open IObit Malware Fighter - Open the main window of IObit Malware Fighter.

Smart Scan - Run a smart scan of your PC.

Ransomware Guard - Open Ransomware Guard window directly.

Browser Protect - Open Browser Protect window directly.

Turn off Real-time Protection - You can choose to turn off real-time protection Until Restart IMF or Permanently.

It is strongly recommended that you keep real-time protection running in the background to protect your PC from various malware attacks.

Check for Updates - Check whether you have the latest program and database.

Exit - Close IObit Malware Fighter completely.

Note: Please visit IObit Malware Fighter FAQs page for the instruction to get rid of the yellow triangle with exclamation mark.

Cloud Security

Click at the top right to open Cloud Security window and see the details about IObit Cloud Community Statistics. You can also upload suspicious files to IObit Cloud for analyzing.

Analyze a file - By clicking this button, you can upload the suspicious file to IObit Cloud for analyzing. And it will show you the scan report of the suspicious file.

Submit Samples - By clicking this link, you will open the feedback window. There you can submit the files you suspect and get help from our support team.

Report False Positive

A false positive occurs when an anti-malware program detects a file as malicious, but in fact, it is legitimate. False Positives are unavoidable for any security software including IObit Malware Fighter 6 and we are always trying our best to prevent these false positives from happening. In the event of a false positive, please follow the steps below before you report a false positive:

1. Make sure that you have updated IObit Malware Fighter to the latest database version.

2. Click Save Report and save the scan results to where you can easily locate.

3. Click here to upload the suspicious file to VirusTotal for analyzing to verify whether it's reported as malicious file by other security software.

4. There are two ways to report a false positive:

1) Click Report False Positive in the scan results screen to open the feedback window to contact us. Please click attachment and select the falsely reported files. Then click Send button to report us the false positive. If possible, please also provide us with the analysis report link from Virus Total.

2) Click false positive link to be connected to IObit Forums, post the report there so that IObit Support will get the information to investigate and resolve the issue quickly.

Technical Support

Every feedback from you is valued. To ensure you can reach us in time, we provide several feedback channels:

It's recommended to read our FAQs before looking in the other sections for help. Because sometimes, the questions have already been answered before you ask them here!

IObit Forum

Propose your questions and concerns to IObit Forum, and discuss them with many other experienced and enthusiastic users and our technical staff.

Built-in Feedback

Click the icon at the top right corner to open the Send Feedback window. Make sure your E-mail address is correct, choose proper Request type, and specify it in Description. Besides, clicking the icon to send us screenshots of error messages, if any, will be much more helpful

NOTE: Please make sure that your email address is valid, or you may not receive our reply.

Online Feedback

If you can't find the answers on our FAQs page or IObit Forums, please don't hesitate to contact us for email support. We will reply to you ASAP.

Thank You

Thanks to all IObit Malware Fighter users and beta testers who motivate us to make this product and make it better and better.

Thanks to IObit Forum Administrators, Super Moderators, and Moderators who are selflessly dedicated to help every forum visitor.

Thanks to the following volunteer translators who greatly help improve IObit Malware Fighter 6 user experience and introduce it to more users worldwide:

IObit Forums Administrators, SuperModerators and Moderators, Enis Özsaruhan, X-agon Co. Ltd., عبدالرحمن نبهان, Alan, Jindra Světošlápek, Veikko Muurikainen, Roland LALIS, Eli Ben David, Claudio Birello, JaeHyung Lee, IGOR RUCKERT, Андрей Кравцов, Ilija Komljenović, Miroslav Šťastný, Marjan Mirai, Roberto Paiva, Lars Andersen, Hans Niesten, Verberne Chris, Egon Jäkel, Stathis Doukas, Mieczyslaw Grabowski, Fernando Santos, Cosmin Barna, Brechler Zsolt, Jan Ågren, Thor Stange, Tony Nguyễn, Mihail Tinchev.