Extra Antivirus is a rogue anti-spyware program from the
same family as Virus
Sweeper. Coincidentally, S!RI
reports that another rogue with the same name was released at the same time
that belongs to the family of rogues that include MS
AntiSpyware 2009 and P
Antispyware 09. Though this guide will remove both versions of Extra Antivirus,
we will focus on the Virus Sweeper clone for the rest of this guide. I have,
though, included images of both variants of Extra Antivirus in the screen shots
The virus sweeper family of rogues has the unique characteristic of using a
legitimate service as a way of distributing its files. This service is Google
Code, which is a repository for programmers to store their programming source
code and projects. When the Trojan is executed it will first connect to Google
Code in order to try and download the entire Extra Antivirus program. If these
files are not available it will then try to install the program via other servers
under the malware developer's control.
Extra Antivirus screen
For more screen shots of this infection click on the image above.
There are a total of 7 images you can view.
When the program is installed it will be set to automatically start on your
computer. The installer then create numerous files that are used impersonate
infections. These files, though, are harmless and cannot even be executed. Therefore,
they pose no risk to your computer. The list of fake infections that are created
on your computer are:
When the program executes it will scan your computer and display the files
listed above and state they are infections, but will not remove them until you
purchase the program. While the program is running you will also see nag screens
or security warnings appear on your desktop. These screens will pop-up over
your existing applications and will not go away until you acknowledge them.
These warnings are a further attempt by Extra Antivirus to convince you that
you are infected. The text of one of these alerts is:
malicious applications, which can contain trojans, were found on your PC and
need to be immediately removed. Click here to remove these potentially harmful
items using Extra Antivirus.
If you are infected with Extra Antivirus, please do not purchase the program.
Instead use the free removal guide below. If you have already purchased this
product, we suggest you contact your credit card company to discuss disputing
these charges as it is a scam.
View Extra Antivirus files.
View Extra Antivirus Registry Information.
Tools Needed for this fix:
Symptoms that may be in a HijackThis Log:
O4 - HKCU\..\Run: [Extra Antivirus] "C:\Documents and Settings\All Users\Application Data\7c69f0c\ExtraAV.exe" /s /d
O4 - HKCU\..\Run: [Extra Antivirus] "C:\Documents and Settings\Bleeping\Desktop\Install_1_1_.exe" /autorun
04/19/09 - Initial guide creation.
04/20/09 - Updated to include a new variant with the same name.
Automated Removal Instructions for Extra Antivirus using Malwarebytes Anti-Malware:
- Print out these instructions as we will need to close every window that
is open later in the fix.
- 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 Download Link (Download page will open in a new window)
- Once downloaded, close all programs and Windows on your computer, including
- Double-click on the icon on your desktop named mbam-setup.exe.
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.
Please click on the Scan Now button to start the scan. 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.
- 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.
You should now click on the Remove Selected button to remove
all the listed 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
- You can now exit the MBAM program.
Your computer should now be free of the ExtraAntivirus program. If your current anti-virus solution let this infection through, you may want to consider purchasing the PRO 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 linked below:
Preparation Guide For Use Before Using Malware Removal Tools and Requesting Help
View Associated Extra Antivirus Files
c:\Documents and Settings\All Users\Application Data\7c69f0c
c:\Documents and Settings\All Users\Application Data\7c69f0c\57.mof
c:\Documents and Settings\All Users\Application Data\7c69f0c\ExtraAV.exe
c:\Documents and Settings\All Users\Application Data\7c69f0c\RootSys
c:\Documents and Settings\All Users\Application Data\7c69f0c\RootSys\vd952342.bd
c:\Documents and Settings\All Users\Application Data\RootSys
c:\Documents and Settings\All Users\Application Data\RootSys\extrav.cfg
%UserProfile%\Application Data\Extra Antivirus
%UserProfile%\Application Data\Extra Antivirus\Instructions.ini
%UserProfile%\Application Data\Microsoft\Internet Explorer\Quick Launch\Extra Antivirus.lnk
%UserProfile%\Start Menu\Extra Antivirus.lnk
%UserProfile%\Start Menu\Programs\Extra Antivirus.lnk
c:\Documents and Settings\All Users\Application Data\Tally software LTD
c:\Documents and Settings\All Users\Application Data\Tally software LTD\Extra Antivirus
c:\Documents and Settings\All Users\Application Data\Tally software LTD\Extra Antivirus\BASE
c:\Documents and Settings\All Users\Application Data\Tally software LTD\Extra Antivirus\DELETED
c:\Documents and Settings\All Users\Application Data\Tally software LTD\Extra Antivirus\LOG
c:\Documents and Settings\All Users\Application Data\Tally software LTD\Extra Antivirus\LOG\20090420152913215.log
c:\Documents and Settings\All Users\Application Data\Tally software LTD\Extra Antivirus\SAVED
File Location Notes:
%UserProfile% refers to the current user's profile folder. By default, this is C:\Documents and Settings\<Current User> for Windows 2000/XP, C:\Users\<Current User> for Windows Vista/7/8, and c:\winnt\profiles\<Current User> for Windows NT.
View Associated Extra Antivirus Windows Registry Information
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\User Agent\Post Platform "889809903"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "Extra Antivirus"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\uninstall\Extra Antivirus 3.0
HKEY_CURRENT_USER\Software\Tally software LTD\Extra Antivirus
This is a self-help guide. Use at your own risk.
BleepingComputer.com 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.