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Danger level 9
Type: Rogue Anti-Spyware
Common infection symptoms:
  • Block exe files from running
  • Installs itself without permissions
  • Connects to the internet without permission
  • Slow internet connection
  • Annoying Pop-up's
  • Slow Computer
Other mutations known as:

Windows Necessary Firewall

Windows Necessary Firewall is not necessary at all, because it is a rogue antispyware application which masquerades as a legitimate security program. In reality, it is nothing else but another addition to the ever-growing nest of malicious rogues from the Fake Microsoft Security Essentials scam. It is also a direct scan of such previously released computer threats as Windows Troubles Solver, Windows Risks Preventions, Windows Precautions Center, Windows Profile System and so on.

This rogue is created with one single purpose in mind - ripping unsuspecting consumer off. Windows Necessary Firewall manages to achieve this from time to time, because it has a presentable interface, which also copies the logo of Windows Operating System. Needless to say, that a user who sees a sign of the operating system is bound to believe that the program bearing the mark is legitimate, despite the obvious lies Windows Necessary Firewall feeds the user with.

It starts with a seemingly innocent pop-up message which prompts him to download the rogue. The message is as follows:

Microsoft Security Essentials Alert
Potential Threat Details
Microsoft Security Essentials detected potential threats that might compromise your private or damage your computer. Your access to these items may be suspended until you take an action. Click 'show details' to learn more.

At this point Windows Necessary Firewall does not reside in the computer yet. There might be only a seed of the infection in the system, most probably a Trojan, which the user caught while browsing suspicious websites or clicking on unfamiliar links. Such facts only add up to the general knowledge that one must not click on anything and anywhere, because the cyber criminals are very adept at exploiting the gullibility of computer users worldwide.

Once the user succumbs to the intimidating messages and Windows Necessary Firewall installs itself into the computer, the rogue's sleek interface pops up and the program launches a fake system scan. It is generate to further scare the user and make him panic, in order to push him into purchasing the full version of the program. This is something that the user should never do, because that way he would be exposing his CVV2 code and the credit card number to the third party, and consequently his bank account will be hacked and robbed before the user even knows it.

Due to this, and the fact that the rogue slows down the computer performance the user must remove Windows Necessary Firewall once the infection rears its nasty head. Allowing this rogue to stay in the affected computer can result in devastating consequences. There are two ways to get rid of Windows Necessary Firewall - manual and automatic. Manual removal might seem a little bit too complicating for an average computer user, so it is recommended to get an automatic malware removal tool, which would terminate the rogue without any problem. Just do not wait until it is too late.

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How to manually remove Windows Necessary Firewall

Files associated with Windows Necessary Firewall infection:


Windows Necessary Firewall processes to kill:


Remove Windows Necessary Firewall registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\afwserv.exe "Debugger" = 'svchost.exe'
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avastsvc.exe "Debugger" = 'svchost.exe'
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avastui.exe "Debugger" = 'svchost.exe'
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\egui.exe "Debugger" = 'svchost.exe'
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ekrn.exe "Debugger" = 'svchost.exe'
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msascui.exe "Debugger" = 'svchost.exe'
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msmpeng.exe "Debugger" = 'svchost.exe'

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