Remove Security Shield 2012 or Security Shield virus

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Written by: Stelian

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Security Shield is a malicious program also known as rogue security software, which will display fake security alerts in an attempt to scare you into buying this fake security product.
In addition,as part of its self-defense mechanism,Security Shield virus disables the Windows system utilities, including Task Manager and Windows Registry and will block you from running certain programs, instead displaying the below alerts:

Security Shield
“notepad.exe” is infected with “Backdoor:Win32/Hackdef.O”.
Do you want to register your copy and remove all threats now?
Security Shield Warning
Spyware.IEMonster process is found. This is virus that is trying to send your passwords from Internet browser (Explorer, Mozilla Firefox, Outlook & others) for the third-parties.
Click here to protect your data with Security Shield.

Security Shield Warning
Security Shield has found viruses at your system.
We highly recommended to get license for Security Shield to remove harmful software now.

Security Shield Warning
Your computer is under the infections threat. Turn on instantshield protection to safe your data and prevent internet attacks for your credit card information.
Select this to turn instantshield on.

We strongly advise you to follow our Security Shield virus removal guide and ignore any alerts that this malicious software might generate.
Under no circumstance should you buy this rogue security software as this could lead to identity theft,and if you have, you should contact your credit card company and dispute the charge stating that the program is a scam and a computer virus.

Am I infected with Security Shield virus ?

If your computer is infected with Security Shield virus then you are seeing the below images:

[Image: Security Shield virus]

[Image: Security Shield alert]

Registration codes for Security Shield virus

As an optional step,you can use one of the following license key to register Security Shield virus and stop the fake alerts.
64C665BE-4DE7-423B-A6B6-BC0172B25DF2
Please keep in mind that entering the above registration code will NOT remove Security Shield virus from your computer , instead it will just stop the fake alerts so that you’ll be able to complete our removal guide more easily.

Security Shield Removal Instructions

STEP 1: Remove Security Shield malicious files with Malwarebytes Anti-Malware

Malwarebytes Chameleon technologies will allow us to install and run a Malwarebytes Anti-Malware scan without being blocked by Security Shield.

  1. Download Malwarebytes Chameleon  from the below link, and extract it to a folder in a convenient location.
    MALWAREBYTES CHAMELEON DOWNLOAD LINK  (This link will open a new web page from where you can download Malwarebytes Chameleon)
    [Image: Extract Malwarebytes Chameleon utility]
  2. Make certain that your infected computer is connected to the internet and then open the Malwarebytes Chameleon folder, and double-click on the svchost.exe file.
    [Image: Double click on svchost.exe]
    IF Malwarebytes Anti-Malware will not start, double-click on the other renamed files until you find one will work, which will be indicated by a black DOS/command prompt window.
  3. Follow the onscreen instructions to press a key to continue and Chameleon will proceed to download and install Malwarebytes Anti-Malware for you.
    Malwarebytes Chameleon press key
  4. Once it has done this, it will update Malwarebytes Anti-Malware, and you’ll need to click OK when it says that the database was updated successfully.
    Malwarebytes Chameleon updating its database
  5. Malwarebytes Anti-Malware will now attempt to kill all the malicious process associated with Security Shield.Please keep in mind that this process can take up to 10 minutes, so please be patient.
    Malwarebytes Chameleon killing malware
  6. Next, Malwarebytes Anti-Malware will automatically open and perform a Quick scan for Security Shield malicious files as shown below.
    [Image: Malwarebytes Anti-Malware scanning for Security Shield]
  7. Upon completion of the scan, click on Show Result
    [Image: Malwarebytes Anti-Malware scan results]
  8. You will now be presented with a screen showing you the malware infections that Malwarebytes Anti-Malware has detected.
    Make sure that everything is Checked (ticked),then click on the Remove Selected button.
    [Image:Malwarebytes removing virus]
  9. After your computer restarts, open Malwarebytes Anti-Malware and perform a Full System scan to verify that there are no remaining threats

STEP 2: Remove Security Shield rootkit with HitmanPro

In some cases,Security Shield will also install a rootkit on victims computer.To remove this rootkit we will use HitmanPro.

  1. Download HitmanPro from the below link,then double-click on it to start this program.
    HITMANPRO DOWNLOAD LINK (This link will open a new web page from where you can download HitmanPro)
    IF you are experiencing problems while trying to start HitmanPro, you can use the Force Breach mode.To start HitmanPro in Force Breach mode, hold down the left CTRL key when you start HitmanPro and all non-essential processes are terminated, including the malware process. (How to start HitmanPro in Force Breach mode – Video)
  2. HitmanPro will start and you’ll need to follow the prompts (by clicking on the Next button) to start a system scan with this program.
    HitmanPro scanner
    HitmanPro installation
  3. HitmanPro will start scanning your computer for Security Shield malicious files as seen in the image below.
    HitmanPro scan after
  4. Once the scan is complete,you’ll see a screen which will display all the infected files that this utility has detected, and you’ll need to click on Next to remove this malicious files.
    HitmanPro scan results
  5. Click Activate free license to start the free 30 days trial and remove all the malicious files from your computer.
    HitmanPro 30 days activation button

STEP 3: Double check for any left over infections with Emsisoft Emergency Kit

  1. You can download Emsisoft Emergency Kit from the below link,then extract it to a folder in a convenient location.
    EMSISOFT EMERGENCY KIT DOWNLOAD LINK ((This link will open a new web page from where you can download Emsisoft Emergency Kit)
  2. Open the Emsisoft Emergency Kit folder and double click EmergencyKitScanner.bat, then allow this program to update itself.
    EmergencyKitScanner.bat file
  3. After the Emsisoft Emergency Kit has update has completed,click on the Menu tab,then select Scan PC.
    Emsisoft Emergency Kit scan tab
  4. Select Smart scan and click on the SCAN button to search for Security Shield malicious files.
    Emsisoft Emergency Kit smart scan
  5. When the scan will be completed,you will be presented with a screen reporting which malicious files has Emsisoft detected on your computer, and you’ll need to click on Quarantine selected objects to remove them.
    Emsisoft Emergency Kit removing malware

If you are still experiencing problems while trying to remove Security Shield from your machine, please start a new thread in our Malware Removal Assistance forum.

10 Rules to Avoid Online Scams

Here are 10 practical safety rules to help you avoid malware, online shopping scams, crypto scams, and other online fraud. Each tip includes a quick “if you already got hit” action.

  1. Stop and verify before you click, log in, download, or pay.

    warning sign

    Most scams win by creating urgency. Verify using a trusted method: type the website address yourself, use the official app, or call a known number (not the one in the message).

    If you already clicked: close the page, do not enter passwords, and run a malware scan.

  2. Keep your operating system, browser, and apps updated.

    updates guide

    Updates patch security holes used by malware and malicious ads. Turn on automatic updates where possible.

    If you saw a scary “update now” pop-up: close it and update only through your device settings or the official app store.

  3. Use layered protection: antivirus plus an ad blocker.

    shield guide

    Antivirus helps block malware. An ad blocker reduces scam redirects, phishing pages, and malvertising.

    If your browser is acting weird: remove unknown extensions, reset the browser, then run a full scan.

  4. Install apps, software, and extensions only from official sources.

    install guide

    Avoid cracked software, “keygens,” and random downloads. During installs, choose Custom/Advanced and decline bundled offers you do not recognize.

    If you already installed something suspicious: uninstall it, restart, and scan again.

  5. Treat links and attachments as untrusted by default.

    cursor sign

    Phishing often impersonates delivery services, banks, and popular brands. If it is unexpected, do not open attachments or log in through the message.

    If you entered credentials: change the password immediately and enable 2FA.

  6. Shop safely: research the store, then pay with protection.

    trojan horse

    Be cautious with brand-new stores, “closing sale” stories, and prices that make no sense. Prefer credit cards or PayPal for dispute options. Avoid wire transfers, gift cards, and crypto payments.

    If you already paid: contact your card issuer or PayPal quickly to dispute the transaction.

  7. Crypto rule: never pay a “fee” to withdraw or recover money.

    lock sign

    Common patterns include fake profits, then “tax,” “gas,” or “verification” fees. Another is a “recovery agent” who demands upfront crypto.

    If you already sent crypto: stop paying, save evidence (wallet addresses, TXIDs, chats), and report the scam to the platform used.

  8. Secure your accounts with unique passwords and 2FA (start with email).

    lock sign

    Use a password manager and unique passwords for every account. Enable 2FA using an authenticator app when possible.

    If you suspect an account takeover: change passwords, sign out of all devices, and review recent logins and recovery settings.

  9. Back up important files and keep one backup offline.

    backup sign

    Backups protect you from ransomware and device failure. Keep at least one backup on an external drive that is not always connected.

    If you suspect infection: do not connect backup drives until the system is clean.

  10. If you think you are a victim: stop losses, document evidence, and escalate fast.

    warning sign

    Move quickly. Speed matters for disputes, account recovery, and limiting damage.

    • Stop payments and contact: do not send more money or respond to the scammer.
    • Call your bank or card issuer: block transactions, replace the card if needed, and start a dispute or chargeback.
    • Secure your email first: change the email password, enable 2FA, and remove unfamiliar recovery options.
    • Secure other accounts: change passwords, enable 2FA, and log out of all sessions.
    • Scan your device: remove suspicious apps or extensions, then run a full malware scan.
    • Save evidence: screenshots, emails, order pages, tracking pages, wallet addresses, TXIDs, and chat logs.
    • Report it: to the payment provider, marketplace, social platform, exchange, or wallet service involved.

These rules are intentionally simple. Most online losses happen when decisions are rushed. Slow down, verify independently, and use payment methods and account controls that give you recourse.

45 thoughts on “Remove Security Shield 2012 or Security Shield virus”

  1. Thank you sooooo much! I don’t know anything about computers but you’re directions were soooooo awesome! My computer is back to normal and I didn’t have to spend any money, which is always a plus!! Thank you soooooo much!!

  2. So I followed all the steps and I believe I rid the PCM of the virus. But there are still 2 links on my desktop for security shield one says open and the other uninstall but I’m not sure/risking it and want to know if I should delete the icons.

    • Hello Molly,
      Yes,you can delete those files and for your peace of mind ,you can run a scan with the following tools:
      STEP 1: Run a scan with Eset Online Scanner.

      1. Download ESET Online Scanner utility.
        ESET Online Scanner Download Link (This link will automatically download ESET Online Scanner on your computer.)
      2. Double click on the Eset installer program (esetsmartinstaller_enu.exe).
      3. Check Yes, I accept the Terms of Use
      4. Click the Start button.
      5. Check Scan archives
      6. Push the Start button.
      7. ESET will then download updates for itself, install itself, and begin scanning your computer. Please be patient as this can take some time.
      8. When the scan completes, push Finish

      STEP 2: Run a scan with Emsisoft Emergency Kit.

      1. Please download the latest official version of Emsisoft Emergency Kit.
        EMSISOFT EMERGENCY KIT DOWNLOAD LINK (This link will open a download page in a new window from where you can download Emsisoft Emergency Kit)
      2. After the download process will finish , you’ll need to unpack EmsisoftEmergencyKit.zip (Right click on it and select Extract all) and then double click on EmergencyKitScanner.bat
      3. A pop-up will prompt you to update Emsisoft Emergency Kit , please click the “Yes” button.After the Update process has completed , put the mouse cursor over the “Menu” tab on the left and click-on “Scan PC“.
      4. Select “Smart scan” and click-on the below “SCAN” button.When the scan will be completed , you will be presented with a screen showing you the malware infections that Emsisoft Emergency Kit has detected.Make sure that everything is Checked (ticked) and click on the ‘Quarantine selected objects‘ button.

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