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Antivirus System 2011

Also Known As: Antivirus System 2011 Rogue
Damage level: High

What is Antivirus System 2011?

This fake security program usually infiltrates computers using various Trojans (infected video codecs, etc.) After Antivirus System 2011 self-installs on your computer, it will attempt to scare you into purchasing a full version of the software.

The program launches at each Windows start up and then performs a fake security scan. It will report that your computer is infected with various malware and spyware.

These warnings, however, are fake and the program is created simply to trick people. Do not buy this program, it is a scam.

If you have already purchased this fake security program, you should contact your credit card company and inform them that you have been tricked into doing so. Your credit card information could be stolen.

Antivirus system 2011 rogue program

Do not be impressed by the professional appearance of Antivirus System 2011. This program was created by Internet criminals who distribute fake programs using Trojans.

This fake antivirus software is capable of disabling legitimate security programs. When your computer defenses are down, additional infections could install on your computer without your knowledge.

Use this removal guide to completely remove Antivirus System 2011 from your computer. Ignore all information displayed by Antivirus System 2011, as this program was created with the sole purpose of stealing money from your credit card account. Although this program has a professional interface and appears genuine, you should always research thoroughly before purchasing a security program to protect your computer.

The Internet is full of fake ones such as Antivirus System 2011.

Antivirus System 2011 displays the following fake security warning messages:

“Security Center Alert. To help protect your computer, Security Center has blocked some features of this program. Name: Screen.Grab.J.exe Risk: High.”
“Security Center. Unauthorized remote connection! Your system is making an unauthorized personal data transfer to a remote computer! Warning! Unauthorized personal data transfer is detected! It may be your personal credit card details, logins and passwords, browsing habits, or information about files you have downloaded. To protect your private data, please click the ‘Prevent Connection’ button below.”

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Quick menu:

Antivirus System 2011 removal

1. Start your computer in Safe Mode. Click Start, click Shut Down, click Restart, click OK.

During your computer starting process press the F8 key on your keyboard multiple times until you see the Windows Advanced Option menu, then select Safe Mode with Networking from the list.

alt

2. Open Internet Explorer, click Tools and select Internet Options. Select Connections, then click LAN settings, if 'Use a proxy server for your LAN' is checked, uncheck it and press OK.

internet-explorer-options internet explorer internet connections

internet options lan settings internet explorer proxy settings

3. Download HijackThis and save it to your desktop. Some malicious programs are able to block HijackThis, so when you click the download link, in the Save dialog, rename HijackThis.exe to iexplore.exe and only then click the Save button.

After saving the file to your desktop, double click it. In the main HijackThis window click the “Do a system scan only” button.

Select the following entry (place a tick at the left of the entry):

O4 – HKCU\..\Run: [AntiVirus System 2011] “C:\Documents and Settings\Username\Application Data\AntiVirus System 2011\AntiVirus_System_2011.exe” /STARTUP
O4 – HKCU\..\Run: [Security Manager] C:\Documents and Settings\Username\Application Data\AntiVirus System 2011\securitymanager.exe
O4 – HKCU\..\Run: [{RANDOM}.exe] C:\Documents and Settings\Username\Application Data\AntiVirus System 2011\securityhelper.exe

After selecting the required entry, click "Fix Checked". After this procedure you can close HijackThis and proceed to the next removal step.

4. After this procedure, you should be able to access your desktop. You should now download legitimate anti-spyware software to fully remove Antivirus System 2011 from your computer.

5. After downloading anti-spyware software, install it, update it, and then run a full system scan. Remove all infections found.

If you are unable to remove Antivirus System 2011, you can use these manual removal instructions. Use them at your own risk, since if you do not have strong computer knowledge, you could harm your operating system.

Use them only if you are an experienced computer user. (Instructions on how to end processes, remove registry entries...)

End these Antivirus System 2011 processes:

AntiVirus_System_2011.exe
securityhelper.exe
securitymanager.exe
2010yo.exe
%Temp%\ae0965a7157cd.exe
%Temp%\al3erfa3.exe
%Temp%\alerfa.exe
%Temp%\alerfa2.exe
%Temp%\altedf.exe
%Temp%\backd-efq.exe
%Temp%\brdss.exe
%Temp%\cocksucker.exe
%Temp%\cosock.exe
%Temp%\cowceb.exe
%Temp%\cunifuc.exe
%Temp%\d20mes.exe
%Temp%\dc_3.exe
%Temp%\dd10x10.exe
%Temp%\ddoll3342.exe
%Temp%\destroyer.exe
%Temp%\dffuck.exe
%Temp%\dgxdro.exe
%Temp%\fadz43.exe
%Temp%\fe.exe
%Temp%\format.exe
%Temp%\g_dx234.exe
%Temp%\gedx_ae09.exe
%Temp%\ggwwef9752.exe
%Temp%\gpupz2a.exe
%Temp%\hardwh.exe
%Temp%\hhbboll_2.exe
%Temp%\hiphop.exe
%Temp%\htfad4.exe
%Temp%\hvipws9.exe
%Temp%\jdhellwo3.exe
%Temp%\jkfuckfu.exe
%Temp%\jofcdks.exe
%Temp%\kn.a.exe
%Temp%\kock.exe
%Temp%\lols.exe
%Temp%\lorsk.exe
%Temp%\ploper.exe
%Temp%\poertd.exe
%Temp%\ppddfcfux.exxe
%Temp%\protector2.exe
%Temp%\pswwg3c.exe
%Temp%\puzpup.exe
%Temp%\qwedvor.exe
%Temp%\r0life.exe
%Temp%\rator.exe
%Temp%\rtfme.exe
%Temp%\safe.exe
%Temp%\snowif.exe
%Temp%\sycre.exe
%Temp%\timem.exe
%Temp%\w32-reno-c.exe
%Temp%\w32rim_mem.exe
%Temp%\warsddd_w.exe
%Temp%\wefgetn_00.exe
%Temp%\wined.exe
%Temp%\winifi.exe
%Temp%\wqefqw7e.exe
%Temp%\wrcud12.exe
%Temp%\wrfwe_di.exe

Remove these Antivirus System 2011 registry entries:

HKEY_CURRENT_USER\Software\AntiVirus System 2011
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "2kowmeuswvw3"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "AntiVirus System 2011"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "Security Manager"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\AntiVirus System 2011

Delete these Antivirus System 2011 files:

%AppData%\AntiVirus System 2011\
%AppData%\AntiVirus System 2011\AntiVirus_System_2011.exe
%AppData%\AntiVirus System 2011\IcoActivate.ico
%AppData%\AntiVirus System 2011\IcoHelp.ico
%AppData%\AntiVirus System 2011\IcoUninstall.ico
%AppData%\AntiVirus System 2011\securityhelper.exe
%AppData%\AntiVirus System 2011\securitymanager.exe
%AppData%\Microsoft\Internet Explorer\Quick Launch\AntiVirus System 2011.lnk
%Temp%\_2.tmp
%Temp%\2010yo.exe
%Temp%\ae0965a7157cd.exe
%Temp%\al3erfa3.exe
%Temp%\alerfa.exe
%Temp%\alerfa2.exe
%Temp%\altedf.exe
%Temp%\backd-efq.exe
%Temp%\brdss.exe
%Temp%\cocksucker.exe
%Temp%\cosock.exe
%Temp%\cowceb.exe
%Temp%\cunifuc.exe
%Temp%\d20mes.exe
%Temp%\dc_3.exe
%Temp%\dd10x10.exe
%Temp%\ddoll3342.exe
%Temp%\destroyer.exe
%Temp%\dffuck.exe
%Temp%\dgxdro.exe
%Temp%\fadz43.exe
%Temp%\fe.exe
%Temp%\format.exe
%Temp%\g_dx234.exe
%Temp%\gedx_ae09.exe
%Temp%\ggwwef9752.exe
%Temp%\gpupz2a.exe
%Temp%\hardwh.exe
%Temp%\hhbboll_2.exe
%Temp%\hiphop.exe
%Temp%\htfad4.exe
%Temp%\hvipws9.exe
%Temp%\jdhellwo3.exe
%Temp%\jkfuckfu.exe
%Temp%\jofcdks.exe
%Temp%\kn.a.exe
%Temp%\kock.exe
%Temp%\lols.exe
%Temp%\lorsk.exe
%Temp%\ploper.exe
%Temp%\poertd.exe
%Temp%\ppddfcfux.exxe
%Temp%\protector2.exe
%Temp%\pswwg3c.exe
%Temp%\puzpup.exe
%Temp%\qwedvor.exe
%Temp%\r0life.exe
%Temp%\rator.exe
%Temp%\rtfme.exe
%Temp%\safe.exe
%Temp%\snowif.exe
%Temp%\sycre.exe
%Temp%\timem.exe
%Temp%\w32-reno-c.exe
%Temp%\w32rim_mem.exe
%Temp%\warsddd_w.exe
%Temp%\wefgetn_00.exe
%Temp%\wined.exe
%Temp%\winifi.exe
%Temp%\wqefqw7e.exe
%Temp%\wrcud12.exe
%Temp%\wrfwe_di.exe
%UserProfile%\Desktop\AntiVirus System 2011.lnk
%UserProfile%\Start Menu\Programs\AntiVirus System 2011\
%UserProfile%\Start Menu\Programs\AntiVirus System 2011.lnk
%UserProfile%\Start Menu\Programs\AntiVirus System 2011\Activate AntiVirus System 2011.lnk
%UserProfile%\Start Menu\Programs\AntiVirus System 2011\AntiVirus System 2011.lnk
%UserProfile%\Start Menu\Programs\AntiVirus System 2011\Help AntiVirus System 2011.lnk
%UserProfile%\Start Menu\Programs\AntiVirus System 2011\How to Activate AntiVirus System 2011.lnk

Summary:

The fake antivirus programs (also known as "rogue antivirus programs" or "scareware") are applications that tries to lure computer users into paying for their non-existent full versions to remove the supposedly detected security infections (although the computer is actually clean). These bogus programs are created by cyber criminals who design them to look as legitimate antivirus software. Most commonly rogue antivirus programs infiltrate user's computer using poop-up windows or alerts which appear when users surf the Internet. These deceptive messages trick users into downloading a rogue antivirus program on their computers. Other known tactics used to spread scareware include exploit kits, infected email messages, online ad networks, drive-by downloads, or even direct calls to user's offering free support.

A computer that is infected with a fake antivirus program might also have other malware installed on it as rogue antivirus programs often are bundled with Trojans and exploit kits. Noteworthy that additional malware that infiltrates user's operating system remains on victim's computer regardless of whether a payment for a non-existent full version of a fake antivirus program is made. Here are some examples of fake security warning messages that are used in fake antivirus distribution:

Fake pop-up used in rogue antivirus distribution example 1

Fake pop-up used in rogue antivirus distribution example 2

Computer users who are dealing with a rogue security software shouldn't buy it's full version. By paying for a license key of a fake antivirus program users would send their money and banking information to cyber criminals. Users who have already entered their credit card number (or other sensitive information) when asked by such bogus software should inform their credit card company that they have been tricked into buying a rogue security software. Screenshot of a web page used to lure computer users into paying for a non-existent full version of antivirus system 2011 rogue and other rogue antivirus programs:

example of a webpage used to collect payments for fake antivirus programs

To protect your computer from antivirus system 2011 rogue and other rogue antivirus programs users should:

  • Keep their operating system and all of the installed programs up-to-date.
  • Use legitimate antivirus and anti-spyware programs.
  • Use caution when clicking on links in social networking websites and email messages.
  • Don't trust online pop-up messages which state that your computer is infected and offers you to download security software.

Symptoms indicating that your operating system is infected with a fake antivirus program:

  • Intrusive security warning pop-up messages.
  • Alerts asking to upgrade to a paid version of a program to remove the supposedly detected malware.
  • Slow computer performance.
  • Disabled Windows updates.
  • Blocked Task Manager.
  • Blocked Internet browsers or inability to visit legitimate antivirus vendor websites.

If you have additional information on antivirus system 2011 rogue or it's removal please share your knowledge in the comments section below.

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About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

PCrisk security portal is brought by a company RCS LT. Joined forces of security researchers help educate computer users about the latest online security threats. More information about the company RCS LT.

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Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

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