What is npi.sys?
npi.sys is part of npi and developed by npi according to the npi.sys version information.
npi.sys's description is "npi"
npi.sys is usually located in the 'c:\windows\system32\drivers\' folder.
Some of the anti-virus scanners at VirusTotal detected npi.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.
Vendor and version information [?]
The following is the available information on npi.sys:
| Property | Value |
|---|---|
| Product name | npi |
| Company name | npi |
| File description | npi |
| Internal name | npi.sys |
| Original filename | npi.sys |
| Legal copyright | © Copyright 2009-2010 |
| Product version | 1.3.07.05 |
| File version | 1.3.05.05 built by: WinDDK |
Here's a screenshot of the file properties when displayed by Windows Explorer:
| Product name | npi |
| Company name | npi |
| File description | npi |
| Internal name | npi.sys |
| Original filename | npi.sys |
| Legal copyright | © Copyright 2009-2010 |
| Product version | 1.3.07.05 |
| File version | 1.3.05.05 built by: WinDDK |
Digital signatures [?]
npi.sys is not signed.
VirusTotal report
33 of the 42 anti-virus programs at VirusTotal detected the npi.sys file. That's a 79% detection rate.
| Scanner | Detection Name |
|---|---|
| AhnLab-V3 | Backdoor/Win32.Koobface |
| AntiVir | RKIT/Koobface.DP |
| Avast | Win32:Malware-gen |
| Avast5 | Win32:Malware-gen |
| AVG | BackDoor.Generic12.BWRM |
| BitDefender | Worm.Generic.258312 |
| Commtouch | W32/MalwareF.JLGU |
| Comodo | UnclassifiedMalware |
| DrWeb | Win32.HLLW.Facebook.967 |
| Emsisoft | Rootkit.Win32.Koobface!IK |
| eSafe | Win32.RootkitKoobfac |
| eTrust-Vet | Win32/Koobface.SI |
| F-Prot | W32/MalwareF.JLGU |
| F-Secure | Worm.Generic.258312 |
| GData | Worm.Generic.258312 |
| Ikarus | Rootkit.Win32.Koobface |
| Jiangmin | Rootkit.Koobface.bp |
| K7AntiVirus | Riskware |
| Kaspersky | Rootkit.Win32.Koobface.dp |
| McAfee | Artemis!0A4323D332F2 |
| McAfee-GW-Edition | Artemis!0A4323D332F2 |
| Microsoft | VirTool:WinNT/Koobface.gen!F |
| NOD32 | Win32/Tinxy.CA |
| Norman | W32/Suspicious_Gen2.CHKBP |
| Panda | Rootkit/Koobface.KG |
| PCTools | Net-Worm.Koobface |
| Sophos | Mal/KoobRK-A |
| Symantec | Spyware.Perfect |
| TrendMicro | TROJ_GEN.R47C5GJ |
| TrendMicro-HouseCall | TROJ_GEN.R47C5GJ |
| VIPRE | Trojan.Win32.Generic!BT |
| ViRobot | Trojan.Win32.RT-Koobface.151312 |
| VirusBuster | Rootkit.Koobface!7m5Du44kIh0 |
npi.sys removal instructions
The instructions below shows how to remove npi.sys with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the npi.sys file for removal, restart your computer and scan it again to verify that npi.sys has been successfully removed. Here are the removal instructions in more detail:
- Download and install FreeFixer: http://www.freefixer.com/download.html
- Start FreeFixer and press the Start Scan button. The scan will finish in approximately five minutes.
- When the scan is finished, locate npi.sys in the scan result and tick the checkbox next to the npi.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 npi.sys in the scan result.
c:\windows\system32\drivers\npi.sys 
- Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the npi.sys file.
- Restart your computer.
- Start FreeFixer and scan your computer again. If npi.sys still remains in the scan result, proceed with the next step. If npi.sys is gone from the scan result you're done.
- If npi.sys still remains in the scan result, check its checkbox again in the scan result and click Fix.
- Restart your computer.
- Start FreeFixer and scan your computer again. Verify that npi.sys no longer appear in the scan result.
Hashes [?]
| Property | Value |
|---|---|
| MD5 | 0a4323d332f2f0d522f72b612a37bf49 |
| SHA256 | e79ab4f548cdb4e70ff2fd47c4d41f65d0943c6dbde03639e59d10deb96f4051 |
What will you do with npi.sys?
To help other users, please let us know what you will do with npi.sys:
What did other users do?
The poll result listed below shows what users chose to do with npi.sys. 100% have voted for removal. Based on votes from 1 user.
| Votes | |||
|---|---|---|---|
| Keep | 0 % | 0 | |
| Remove | 100 % | 1 |
NOTE: Please do not use this poll as the only source of input to determine what you will do with npi.sys. Only 1 user has voted so far so it does not offer a high degree of confidence.
Comments
Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.
I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.
No comments posted yet.