Recently,you might notice that your Firefox (sometimes other browsers like Internet Explorer and Google Chrome) was redirected to some unknown sites when you were surfing the internet. Typically, you might get messages about winning various prizes and asking for names address that kind of stuff. This looked suspicious, right? And then you might get the following error message:
ATTENTION!=====> C:\Windows\System32\drivers\afd.sys IS INFECTED.
So what is afd.sys? Is it a virus? The following passage will show you the details.
Details of Afd.sys:
Afd.sys is part of the Microsoft driver used for Winsock operations. It is required to run on startup in order to benefit from its functionality or so that the program will work. This afd.sys file is safe and should not be considered threat to your computer.
However, this important system file can be easily infected by some rootkit Trojanthat uses the same name to escape the antivirus protection.This rootkit Trojan is also recognized as afd.sys virus.Once you get the error message mentioned above, your system is infected by the dangerous Trojan.The symptom that your computer is unfortunately infected with this nasty rookit infection is that you may be kicked out from the internet.
The afd.sys virus is also created to help computer hackers to remotely monitor the compromised computers and assist other malicious computer threats(such as HEUR: Trojan.Win32.Generic, Dropper/Win32.Tdss, W32/FakeAlert.RL.gen!Eldorado, and W32/ZAccess.K!tr.rkit) to install into the infected systems without letting you know. Therefore, it is dangerous to have this rootkit infection in your computer. You are recommended to remove it immediately before it does more harm.
Suggestions of Removing Afd.sys Virus:
Afd.sys Virus can be removed manually via deleting the related files and registry entries.
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “<random>” = “%AppData%\<random>.exe”
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run “<random>” = “%AppData%\<random>.exe”
HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon “Shell” = “%AppData%\<random>.exe”
If the common steps will not help removing this stubborn rootkit infection, you are recommended to use reputable and powerful removal tools like Kaspersky, SpyHunter, AVG, etc.