Published May 28, 2010 | Updated Sep 15, 2017

SecurityMasterAV

Low |Detected with Windows Defender Antivirus

Aliases: Security Master AV (other) Trojan:Win32/FakeVimes (Microsoft)

Summary

Windows Defender Antivirus detects and removes this threat.
 
This threat is a variant of the Win32/FakeVimes family. Programs in this family claim to scan your PC for malware and then show you fake warnings about malicious programs and viruses. They usually tell you to pay money to register the software and remove the fake malware.
 
You can read more about this type of threat on our rogue security software page.

The following free Microsoft software detects and removes this threat:

Even if we've already detected and removed this particular threat, running a full scan might find other malware that is hiding on your PC.

You can also visit the Microsoft virus and malware community for more help.

Remove program exceptions in the firewall

This threat might add itself to your Windows Firewall exception list. This means it can go online without being blocked. To remove it from the exception list, do the following:

For Windows 8 :

  1. Open Windows Firewall by swiping in from the right edge of the screen, tapping Search (or if you're using a mouse, pointing to the upper-right corner of the screen, moving the mouse pointer down, and then clicking Search), entering firewall in the search box, tapping or clicking Settings, and then tapping or clicking Windows Firewall.
  2. In the left pane, tap or click Allow an app or feature through Windows Firewall.
  3. Tap or click Change settings. You might be asked for an admin password or to confirm your choice.
  4. Select the check box next to the app you want to allow, select the network types you want to allow communication on, and then click OK.

For Windows 7:

  1. Click Start, select Control Panel, then System and Security.
  2. Select Windows Firewall.
  3. On the menu on the left, select Allow a program through Windows Firewall. If you're prompted, type the password or provide confirmation.
  4. Click Change Settings. If you're prompted, type the password or provide confirmation.
  5. Select <program name> from the list of allowed programs and features. Click Remove.
  6. Click OK.

For Windows Vista:

  1. Click Start, select Control Panel, then Security Center.
  2. On the menu on the left, select Windows Firewall.
  3. On the menu on the left, select Allow a program through Windows Firewall. If you are prompted, type the password or provide confirmation.
  4. Select <program name> from the list of allowed programs and features. Click Delete.
  5. Click OK.

For Windows XP:

  1. Use an administrator account to log on.
  2. Click Start, select Run, type wscui.cpl, and then click OK.
  3. In Windows Security Center, click Windows Firewall.
  4. On the Exceptions tab, click <program name> and then click Delete.
  5. Click OK.
Additional remediation instructions
This threat can make lasting changes to your PC's configuration that won't be restored by detecting and removing it. There is more information on returning your PC its pre-infected state in the following articles: 
 
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