What is bndnx.sys?

bndnx.sys is developed by Microsoft Corporation according to the bndnx.sys version information.

bndnx.sys is usually located in the 'C:\WINDOWS\system32\drivers\' folder.

Some of the anti-virus scanners at VirusTotal detected bndnx.sys.

If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.

VirusTotal report

37 of the 43 anti-virus programs at VirusTotal detected the bndnx.sys file. That's a 86% detection rate.

Scanner	Detection Name
AhnLab-V3	Win-Trojan/Koutodoor3.Gen
AntiVir	TR/Rootkit.Gen2
Antiy-AVL	Trojan/Win32.Fdog.gen
Authentium	W32/Koutodoor.H.gen!Eldorado
Avast	Win32:Koutodoor-E
Avast5	Win32:Koutodoor-E
AVG	Win32/Cryptor
BitDefender	Trojan.Downloader.Farfly.K
CAT-QuickHeal	Rootkit.Fdog.bbc
Comodo	TrojWare.Win32.Zybr.B
Emsisoft	Rootkit.Win32.Fdog!IK
eSafe	Win32.TRRootkit
eTrust-Vet	Win32/ASuspect.HHABH
F-Prot	W32/Koutodoor.H.gen!Eldorado
F-Secure	Trojan.Downloader.Farfly.K
GData	Trojan.Downloader.Farfly.K
Ikarus	Rootkit.Win32.Fdog
Jiangmin	Heur:Trojan/JunkCode
K7AntiVirus	Backdoor
Kaspersky	Rootkit.Win32.Fdog.bbc
McAfee	BackDoor-DTL.b
McAfee-GW-Edition	BackDoor-DTL.b
Microsoft	VirTool:WinNT/Koutodoor.A
NOD32	Win32/Koutodoor.EP
Norman	W32/Suspicious_Gen2.BNYHR
nProtect	Trojan.Downloader.Farfly.K
Panda	Suspicious file
PCTools	Hacktool.Rootkit
Rising	Trojan.Win32.Generic.520108CF
Sophos	Mal/Koutodoor-A
Sunbelt	Trojan.Win32.Generic!BT
Symantec	Hacktool.Rootkit
TheHacker	Trojan/Fdog.bbc
TrendMicro	BKDR_AGENT.SMA
TrendMicro-HouseCall	BKDR_AGENT.SMA
VBA32	Rootkit.Win32.Fdog.bbc
VirusBuster	Rootkit.Koutodoor.Gen.2

bndnx.sys removal instructions

The instructions below shows how to remove bndnx.sys with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the bndnx.sys file for removal, restart your computer and scan it again to verify that bndnx.sys has been successfully removed. Here are the removal instructions in more detail:

1. Download and install FreeFixer: http://www.freefixer.com/download.html
2. Start FreeFixer and press the Start Scan button. The scan will finish in approximately five minutes.

   
3. When the scan is finished, locate bndnx.sys in the scan result and tick the checkbox next to the bndnx.sys file. Do not check any other file for removal unless you are 100% sure you want to delete it. Tip: Press CTRL-F to open up FreeFixer's search dialog to quickly locate bndnx.sys in the scan result.

   

   

   C:\WINDOWS\system32\drivers\bndnx.sys

   
4. Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the bndnx.sys file.

   
5. Restart your computer.
6. Start FreeFixer and scan your computer again. If bndnx.sys still remains in the scan result, proceed with the next step. If bndnx.sys is gone from the scan result you're done.
7. If bndnx.sys still remains in the scan result, check its checkbox again in the scan result and click Fix.
8. Restart your computer.
9. Start FreeFixer and scan your computer again. Verify that bndnx.sys no longer appear in the scan result.

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