How to remove Anti-virus-1 (Removal Guide)

  • February 18, 2009
  • 05:05 PM
  • Read 67,237 times

What is Anti-virus-1?

Skip this and learn how to remove Anti-virus-1!

Anti-virus-1 is a new rogue anti-spyware program from the same family as Antivirus 2010 and Antivirus 360. This program is promoted primarily through two methods. The first is through the use of advertisements that pretend to be online anti-malware scanners. These advertisements go through what appears to be a scan of your machine and then when finished, state that your computer is infected and that you should download Anti-virus-1 to protect yourself. Remember, though, that this is just an advertisement and it has no way of knowing what is running on your computer. The second method that is used to promote this rogue is through the use of Trojans. When certain Trojans are installed on your computer they will display security alerts stating that your computer is infected or that you have some other security risk. When you click on these alerts, it will download and install Anti-virus-1 onto your computer.

  • Anti-virus-1 screen shot
  • Scanning screen
  • Scan summary
  • Scan results
  • Installation of Anti-virus-1
  • IE Hijack #1
  • Internet Explorer Hijack #2
  • Fake Security Alert #1
  • Fake security alert #2
  • Fake PC Magazine Review
  • Fake Cnet Review
  • Fake Review
  • Fake ZDNet Review
  • Fake Windows Security Center
  • Fake Windows Blue Screen
  • Fake reboot screen

When Anti-virus-1 is installed it will configure itself to start automatically when Windows starts. It will also modify your C:\Windows\System32\drivers\etc\hosts file so that when you visit certain sites you will be go to a site under the malware developer's control rather than the legitimate site you were expecting to go to. This allows them to show you information that further promotes the Anti-virus-1 program. When the program is started it will automatically scan your computer and then display a list of infections that cannot be removed unless you first purchase the program. The infections that it will show include Spyware.IEMonster.d,, Spyware.IMMonitor, Infostealer.Banker.E, and Dialer.Xpehbam.biz_dialer among many others. All of these infections do not actually exist on your computer, but are only being shown to scam you into thinking that you have infections on your computer.

While the program is running you will also see security alerts in the form of a balloon appearing from the Windows taskbar. These alerts will have messages like:

Spyware activity alert!
Spyware.IEMonster activity detected. It is spyware that attempts to steal passwords from Internet Explorer, Mozilla Firefox, Outlook and other programs, including logins and passwords from online banking sessions, eBay, PayPal.


Internal conflict alert.
Anti-virus-1 detected internal software conflict. Some applicztion <sic> tries to get access to system kernel (such behavior is typical to Spyware/Malware). It may cause crash of your computer.

You may also encounter what appears to be a crash screen, or Blue Screen of Death, that states SPYWARE.MONSTER.FX_WILD has been detected. Your computer will then pretend to reboot and in the fake Windows boot screen you will see the following message under the Windows logo:

Your Anti-virus-1 copy is unregistered. Microsoft Security recommends you to activate your antivirus protection software.

When you see these fake taskbar alerts, blue screen crashes, and reboots, please do not be alarmed as they are all fake. In fact the blue screen crash, and the subsequent reboot, are just a screen saver run by the c:\Documents and Settings\All Users\Application Data\AV1\svchost.exe file. In reality your computer never crashed or rebooted.

Though Anti-virus-1 may look like a legitimate anti-malware program it is important to remember that these programs are scripted to always show that you have infections. This program, when run will always show you the same infections, the same alerts, and the same warnings. It does this for one reason and only one reason. To scare you into thinking you are infected and thus you purchase their software. Instead of doing so, please use the free removal guide outlined below to remove Anti-virus-1 and the malware that was installed with it.

Self Help Guide

This guide is intended for advanced computer users only. Please ensure your data is backed up before proceeding. If you are uncomfortable making changes to your computer or following these stpes, do not worry! Instead you can get free one-on-one help by asking in the forums.

This removal guide may appear overwhelming due to the amount of the steps and numerous programs that will be used. It was only written this way to provide clear, detailed, and easy to understand instructions that anyone can use to remove this infection for free. Before using this guide, we suggest that you read it once and download all necessary tools to your desktop. After doing so, please print this page as you may need to close your browser window or reboot your computer.


To terminate any programs that may interfere with the removal process we must first download the Rkill program. Rkill will search your computer for active malware infections and attempt to terminate them so that they wont interfere with the removal process. To do this, please download RKill to your desktop from the following link.


When at the download page, click on the Download Now button labeled iExplore.exe. When you are prompted where to save it, please save it on your desktop.


Once it is downloaded, double-click on the iExplore.exe icon in order to automatically attempt to stop any processes associated with Anti-virus-1 and other malware. Please be patient while the program looks for various malware programs and ends them. When it has finished, the black window will automatically close and a log file will open. Please review the log file and then close so you can continue with the next step. If you have problems running RKill, you can download the other renamed versions of RKill from the rkill download page. All of the files are renamed copies of RKill, which you can try instead. Please note that the download page will open in a new browser window or tab.

Do not reboot your computer after running RKill as the malware programs will start again.


At this point you should download Malwarebytes Anti-Malware, or MBAM, to scan your computer for any any infections or adware that may be present. Please download Malwarebytes from the following location and save it to your desktop:

Malwarebytes Anti-Malware

Once downloaded, close all programs and Windows on your computer, including this one.


Double-click on the icon on your desktop named mbam-setup-bc.1878- This will start the installation of MBAM onto your computer.


When the installation begins, keep following the prompts in order to continue with the installation process. Do not make any changes to default settings and when the program has finished installing, make sure you leave Launch Malwarebytes Anti-Malware checked. Then click on the Finish button. If MalwareBytes prompts you to reboot, please do not do so.


MBAM will now start and you will be at the main screen as shown below.

Malwarebytes Anti-Malware

We now need to enable rootkit scanning to detect the largest amount of malware that is possible with MalwareBytes. To do this, click on the Settings section at the top of the MalwareBytes application and you wil be brought to the general settings section.

Now click on the Detection and Protection settings category on the left sidebar. You will now be shown the settings MalwareBytes will use when scanning your computer.

Malwarebytes Anti-Malware Detection and Protection Settings Page

At this screen, please put a checkmark in the option labaled Scan for rootkits. If you do not see this option, please make sure you are using the latest version of MalwareBytes.


Now that you have enabled rootkit scanning, click on the Scan button to go to the scan screen.

Malwarebytes Anti-Malware Scan Screen

Make sure Threat ScanStart Scan button. If there is an update available for Malwarebytes it will automatically download and install it before performing the scan.


MBAM will now start scanning your computer for malware. This process can take quite a while, so we suggest you do something else and periodically check on the status of the scan to see when it is finished.

Malwarebytes Anti-Malware


When MBAM is finished scanning it will display a screen that displays any malware that it has detected. Please note that the infections found may be different than what is shown in the image below due to the guide being updated for newer versions of MBAM.

MalwareBytes Scan Results

You should now click on the Remove Selected button to remove all the seleted malware. MBAM will now delete all of the files and registry keys and add them to the programs quarantine. When removing the files, MBAM may require a reboot in order to remove some of them. If it displays a message stating that it needs to reboot, please allow it to do so. Once your computer has rebooted, and you are logged in, please continue with the rest of the steps.


You can now exit the MBAM program.


As many malware and unwanted programs are installed through vulnerabilities found in out-dated and insecure programs, it is strongly suggested that you use Secunia PSI to scan for vulnerable programs on your computer. A tutorial on how to use Secunia PSI to scan for vulnerable programs can be found here:

How to detect vulnerable and out-dated programs using Secunia Personal Software Inspector


Your computer should now be free of the Anti-virus-1 program. If your current security solution allowed this program on your computer, you may want to consider purchasing the full-featured version of Malwarebytes Anti-Malware to protect against these types of threats in the future.

If you are still having problems with your computer after completing these instructions, then please follow the steps outlined in the topic link ed below:

Preparation Guide For Use Before Using Malware Removal Tools and Requesting Help

Malwarebytes Anti-Malware

Purchase the full-featured version of Malwarebytes Anti-Malware, which includes real-time protection, scheduled scanning, and website filtering, to protect yourself against these types of threats in the future!

View Associated Anti-virus-1 Files

c:\Documents and Settings\All Users\Application Data\AV1 c:\Documents and Settings\All Users\Start Menu\Programs\Anti-virus-1 c:\Documents and Settings\All Users\Application Data\AV1\ c:\Documents and Settings\All Users\Application Data\AV1\av1.exe c:\Documents and Settings\All Users\Application Data\AV1\AV1i.exe c:\Documents and Settings\All Users\Application Data\AV1\AV1i2.exe c:\Documents and Settings\All Users\Application Data\AV1\QWProtect.dll c:\Documents and Settings\All Users\Application Data\AV1\svchost.exe c:\Documents and Settings\All Users\Desktop\Anti-virus-1.lnk c:\Documents and Settings\All Users\Start Menu\Programs\Anti-virus-1\Anti-virus-1.lnk c:\Documents and Settings\All Users\Start Menu\Programs\Anti-virus-1\Uninstall.lnk

View Associated Anti-virus-1 Registry Information

HKEY_CURRENT_USER\Software\AV1 HKEY_CURRENT_USER\Software\AV1\AV1\{F275E931-AFEC-4f70-B0D4-CC2731B945E0} HKEY_CLASSES_ROOT\AppID\{29256442-2C14-48CA-B756-3EE0F8BDC774} HKEY_CLASSES_ROOT\AppID\QWProtect.DLL HKEY_CLASSES_ROOT\CLSID\{70FEAD04-A7FD-4B89-B814-8A8251C90EF7} HKEY_CLASSES_ROOT\Interface\{051C9A06-FB08-486F-B09B-8B33B261637D} HKEY_CLASSES_ROOT\QWProtect.QWProtectBHO HKEY_CLASSES_ROOT\TypeLib\{512E801E-2F02-4ADE-ACAA-58F08A22B2F8} HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{70FEAD04-A7FD-4B89-B814-8A8251C90EF7} HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run "Monitor calibration"

This is a self-help guide. Use at your own risk. can not be held responsible for problems that may occur by using this information. If you would like help with any of these fixes, you can ask for malware removal assistance in our Virus,Trojan,Spyware, and Malware Removal Logs forum.

If you have any questions about this self-help guide then please post those questions in our Am I infected? What do I do? and someone will help you.


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