AV-Clean or AV Clean is in the lists of Korean-made rogue ant-virus program showing up and infecting a number of computers world-wide. With its foreign languages, most users will not be able to detect what this program was all about. AV-Clean will just pop-up on infected computers without users intervention and manual installation. This can penetrate a computer if an infected executable file was downloaded from a peer-to-peer network connection. When inside the computer, alterations will be made to the system to justify its presence as a dominant program. Antivirus installed will be disabled and Windows functions will be rendered useless including registry editor, task manager, control panel and so on. Internet browser will be modified to set the default home page to unwanted web site that promotes another fake anti-virus program.

Removing AV-Clean will not be easy, since we mentioned that most of the required Windows functions were deactivated. Add/Remove programs is also useless because no entry of AV-Clean was made in an attempt to make it stay inside the computer until the full version was obtained by its victim. Only chance to get rid of this malware is by scanning a computer with powerful anti-malware application designed to combat rogue programs.

Type Rogue
Sub-Type FakeAV
OS Affected Windows

What are the Symptoms of AV-Clean Infection?

Virus scan with several threat detected is AV-Clean’s primary way to deceive its victims. If not all, most of the reported threats are fabricated and does not exists on the computer.

AV-Clean

It will modify Windows Registry and add the following entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{82D2D870-9F4E-4C67-8026-6919BF6DB739}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\AVClean
HKEY_LOCAL_MACHINE\SOFTWARE\Ebiz
HKEY_LOCAL_MACHINE\SOFTWARE\Ebiz\AV CLEAN
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_AVFMON
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_AVFMON\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_AVFMON\0000\Control
HKEY_CURRENT_USER\Software\EGN
HKEY_CURRENT_USER\Software\EGN\AV-SCAN pro
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] AVClean = “”%ProgramFiles%\AVClean\AVClean.exe” /Scan”
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\AVClean] “AVClean”
[HKEY_LOCAL_MACHINE\SOFTWARE\Ebiz\AV CLEAN] “%ProgramFiles%\AVClean”
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_AVFMON\0000\Control] “AVFMON”
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\AVFMON\Security] “\??\%ProgramFiles%\avclean\etc\AVFilterDriver.SYS”

The threat will drop the following malicious files and directories:

%ProgramFiles%\AVClean\db
%ProgramFiles%\AVClean\etc
%ProgramFiles%\AVClean\etc\temp
%ProgramFiles%\AVClean\Lang
%ProgramFiles%\AVClean\skin
%ProgramFiles%\AVClean\temp
%ProgramFiles%\avclean\etc\avreg.exe
%ProgramFiles%\avclean\etc\avfilterdriver.sys
%Temp%\AV CLEAN\list_control
%Temp%\nsu2.tmp
%Temp%\AV CLEAN
c:\DelUS.bat

Follow these Procedures to Remove AV-Clean

Procedure 1: Scan Computer in Safe Mode Using Installed Anti-virus Program

1. First, we will try to remove AV-Clean by running a virus scan under Safe Mode with Networking. To perform this task, please complete these procedures.

Start in Safe Mode with Networking (Windows XP/Vista/7 Instruction)

- Please restart the computer and just before Windows start, press F8 on your keyboard repeatedly. You will be presented with Advanced Options Menu.
- From the selections, choose Safe Mode with Networking. Please use keyboard's arrow up/down to navigate between selections and press Enter to proceed.

win7-safemode

Start Windows 8 in Safe Mode with Networking

- Please restart the computer and as soon as it begins to start, please press Shift+F8 keys.
- Instead of seeing Advance Boot Options, Windows 8 will display Recovery Mode. Continue with the given steps until you reach Safe Mode function.
- Click on 'See advanced repair options'.

win8-recovery

- Then, click on Troubleshoot.
- Next, please select Advanced options.
- On the next window, please choose Windows Startup Settings.
- Lastly, click on Restart button. Windows 8 will now restart and boot into Advanced Boot Option wherein you can run the system in Safe Mode with Networking.

win8-safemode

2. Open your installed anti-virus programs and update it to the most recent version by automatically downloading necessary updates.

3. Thoroughly scan the computer and remove all identified threats. Do not restart or turn off the computer after the scan process. You still need to run another scan. Please follow the next procedure.

Procedure 2: Scan and remove AV-Clean files with MalwareBytes Anti-Malware

To remove AV-Clean, download Malwarebytes Anti-Malware by clicking on the button below. This tool is effective in getting rid of Trojans, viruses and malware.

Download AV-Clean Removel Tool

1. After downloading, please install the program using the default settings.
2. At the end of the installation, please make sure that it will download necessary updates.
3. Once update has completed. The tool will launch.
4. Thoroughly scan the computer and remove all threats detected by this anti-malware program.

Procedure 3: Run TrendMicro's Anti-Threat Toolkit (ATTK) to check and delete any remnants of AV-Clean.

As an added help to remove AV-Clean, you can scan the computer with Anti-Threat Toolkit. This software is provided and distributed by TrendMicro. Follow this procedure to run a scan with this tool.

1. Download the package by clicking on the button below. This will launch a new browser window that contains further details about the tool.

FakeAVRemover Download Link

2. Save the file to a location on your hard drive.
3. Browse for the location of the file and double-click to run. If you are using Windows Vista or Windows 7, right-click on extracted file attk_far_gui.exe and click on Run as Administrator.

Run FakeAVRemover

4. When program launch, it will run a command prompt to initialize, prepare components, and update the program.
5. Next it will open the graphical user interface (GUI) of Anti-Threat Toolkit.

FakeAVRemover GUI

6. Click on Scan Now. This operation will scan all AV-Clean files and processes in your computer and display a list of result for possible Fake Antivirus program and malware that needs to be removed.

FakeAVRemover Scan

7. Tick all items that are detected by the program, and then click Clean. The tool will start removing AV-Clean components from the computer.
8. If it asked you to restart Windows, please do so.

Protect your PC from AV-Clean or Similar Attack

Turn On Safe Browsing Features

Internet Explorer - Activate SmartScreen Filter

Internet Explorer versions 8 and 9 has this feature called SmartScreen Filter. It helps detect phishing web sites and protect you from downloading malicious files online. To turn on SmartScreen Filter, follow these steps:

1. Please open Internet Explorer.
2. On top menu, select Tools (IE 9). For IE 8, please look for Safety menu.
3. Select SmartScreen Filter from the drop-down list and click on Turn on SmartScreen Filter.

IE SmartScreen Filter

4. Please restart Internet Explorer.

Google Chrome's Enable Phishing and Malware Protection

With Google Chrome's Phishing and Malware Detection feature, you will have lesser risks browsing the web. It will display a warning when the site you are trying to visit is suspicious. To enable Phishing and Malware Protection, please do these steps:

1. Open Google Chrome.
2. Click on the Customize and control Google Chrome (3-Bars Icon) located on top right corner of the browser.
3. Select Settings from the drop-down list.
4. Once on the settings page, click on Show advanced settings... at the bottom of the page to see the rest of the Chrome setup.
5. Locate Privacy section and mark 'Enable phishing and malware protection'.

Chrome Security Settings

6. Please restart Google Chrome. New settings keep your browser safe while surfing the web.

Mozilla Firefox - Block Attack Sites and Web Forgeries

Phishing and Malware Protection is a built-in feature on Firefox version 3 or later. It warns you when a page you are trying to visit contains phishing content or an attack site designed to drop threats on the computer. To help you keep safe while browsing the Internet using Firefox, please follow this guide:

1. Open Mozilla Firefox browser.
2. On top menu, click on Tools. Then select Options from the list.
3. Select Security and put a check mark on the following items:

  • Warn me when sites try to install add-ons
  • Block reported attack sites
  • Block reported web forgeries

Firefox Security Settings

Remove AV-Clean & Protect Your Computer Now!

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