AnVi Antivirus
AnVi Antivirus is a counterfeit security application that commonly installs on computer by means of another Trojan infection. Antivirus – AnVi will be promoted on several online antivirus web site which will act as a gateway to get infected with this rogue security application. Its main objective is to scam computer users by showing fake reports and fabricated virus scan. If victims fall into this trap, they will be oblige to acquire the license version of AnVi Antivirus. Beware not to pay for the full version of this. It is rogue – simply means that it has no capacity to protect a computer and remove any virus infections. In fact, it will also ask you to remove your antivirus program by means of a misleading alert:
Uncertified [your antivirus] antivirus software detected on your computer. You need to remove [your antivirus] software for correct operation of the Antivirus.
Attention: If you don`t remove [your antivirus] software, the performance of your computer will dramatically degrade. Press “OK” to remove the [your antivirus]
Just ignore and as much as possible avoid this unwanted program by blocking unknown and malicious web sites. If infected, just remove Antivirus and AnVi with a known antivirus program with updated database.
| Type | Rogue |
| Sub-Type | FakeAV |
| OS Affected | Windows |
What are the Symptoms of AnVi Antivirus Infection?
When AnVi Antivirus infiltrates a computer, it will drop several files and add registry entries. The malware also runs a virus scan each time Windows starts. Image below shows the graphical user interface of AnVi fake scanner.
It will modify Windows Registry and add the following entries:
HKEY_CLASSES_ROOT\AvBho.AvBhoApp
HKEY_CLASSES_ROOT\AvBho.AvBhoApp.1
HKEY_CLASSES_ROOT\CLSID\{9d541c6a-573b-4888-b35e-6816e68c3620}
HKEY_CLASSES_ROOT\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}
HKEY_CLASSES_ROOT\Interface\{9692BE2F-EB8F-49D9-A11C-C24C1EF734D5}
HKEY_CLASSES_ROOT\TypeLib\{65DA0CE6-30D1-4144-A0B6-59BD01372E26}
HKEY_LOCAL_MACHINE\SOFTWARE\Antivirus
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9d541c6a-573b-4888-b35e-6816e68c3620}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Antivirus
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “Antivirus.exe”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “wscsvc32.exe”
HKCR\CLSID\{5E2121EE-0300-11D4-8D3B-444553540000}
HLCU\Software\Microsoft\Windows\CurrentVersion\Run “Antivirus”
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved “{5E2121EE-0300-11D4-8D3B-444553540000}”
The threat will drop the following malicious files:
%programfiles\AnVi\about.ico
%programfiles\AnVi\activate.ico
%programfiles\AnVi\buy.ico
%programfiles\AnVi\avt.db
%programfiles\AnVi\avtext.dll
%programfiles\AnVi\avthook.dll
%programfiles\AnVi\avt.exe
%programfiles\AnVi\help.ico
%programfiles\AnVi\scan.ico
%programfiles\AnVi\settings.ico
%programfiles\AnVi\splash.mp3
%programfiles\AnVi\uninstall.exe
%programfiles\AnVi\update.ico
%programfiles\AnVi\virus.mp3
c:\Documents and Settings\All Users\Desktop\Antivirus.lnk
c:\Documents and Settings\All Users\Start Menu\Programs\Antivirus
c:\Documents and Settings\All Users\Start Menu\Programs\Antivirus\Antivirus.lnk
c:\Documents and Settings\All Users\Start Menu\Programs\Antivirus\Uninstall.lnk
%AppData%\Microsoft\Internet Explorer\Quick Launch\Antivirus.lnk
%Temp%\winupd64x.exe
c:\Program Files\Antivirus
c:\Program Files\Antivirus\Antivirus.exe
c:\Program Files\Antivirus\AvBho.dll
c:\Program Files\Antivirus\Uninstall.exe
c:\Program Files\Antivirus\wscsvc32.exe
%documents and settings%\all users\application data\fiosejgfse.dll
%temp%\mswinsck.exe
%desktop%\Antivirus support.lnk
%desktop%\Antivirus.lnk
%commonprograms%\AnVi\about.lnk
%commonprograms%\AnVi\activate.lnk
%commonprograms%\AnVi\buy.lnk
%commonprograms%\AnVi\Antivirus support.lnk
%commonprograms%\AnVi\Antivirus.lnk
%commonprograms%\AnVi\scan.lnk
%commonprograms%\AnVi\settings.lnk
%commonprograms%\AnVi\update.lnk
Follow these Procedures to Remove AnVi Antivirus
Procedure 1: Manual Removal
For users with technical skills in dealing with computer problems, executing this manual removal is enough to stop the malware. However, we highly recommend running anti-malware scan to remove other hidden files. For users who are not tech-savvy, you must skip this step. Start on Procedure 2 and proceed onwards. Automatic removal takes longer to accomplish but is less difficult to execute.
1. Restart your computer in Safe Mode with Networking
- After turning On the power of the computer, just before Windows start, press F8.
- From the selections, choose Safe Mode with Networking. Please use keyboard's arrow up/down to navigate between selections and press Enter to proceed.
2. Remove Registry entries that the threat added. You MUST BACKUP YOUR REGISTRY FIRST. See how.
- Click Start > Run. You can also press [Windows Key]+[R] on keyboard to run 'Open' command.
- Type in the field, regedit.
- Navigate and look for the registry entries mentioned above and delete if present.
3. Delete malicious files that the threat added:
- Base on the given location above, browse and delete the file.
- If no location is given, click Start>Search> and search for the files.
- If cannot be deleted, press Ctrl+Alt+Del to access Task Manager, see if the file is running in the process. If it is, select the file and click End Process. Perform file delete again.
4. Scan computer with Antivirus Program
- Update antivirus program.
- Scan computer and delete all detected threats.
Procedure 2: Scan and remove AnVi Antivirus files with MalwareBytes Anti-Malware
To remove AnVi Antivirus, download Malwarebytes Anti-Malware by clicking on the button below. This tool is effective in getting rid of Trojans, viruses and malware.
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 Fake Antivirus Remover (ATTK) to check and delete any remnants of AnVi Antivirus.
As an added help to remove AnVi Antivirus, you can scan the computer with Fake Antivirus Removal Tool. 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.
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.
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.
6. Click on Scan Now. This operation will scan all AnVi Antivirus files and processes in your computer and display a list of result for possible Fake Antivirus program and malware that needs to be removed.
7. Tick all items that are detected by the program, and then click Clean. The tool will start removing AnVi Antivirus components from the computer.
8. If it asked you to restart Windows, please do so.
Protect your PC from AnVi Antivirus 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.
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'.
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
Remove AnVi Antivirus & Protect Your Computer Now!
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