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Solved: WinPcap 4.1.1


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29-Jan-2011, 07:28 AM #1
Solved: WinPcap 4.1.1
WinPcap 4.1.1 has suddenly appeared in my 'Add/Remove' folder and although I have done a search for it and what it does, I am none the wiser! Apparently it has something to do with capturing 'Packets' across a network and I don't understand what they are talking about! I don't have a network and am wondering why this program has appeared. Is it something to do with Windows Live Essentials or is it Spyware? If not the latter, then do I need it and is it OK to remove it?
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29-Jan-2011, 10:01 AM #2
If it got on the add/remove list, it still could have been a legitimate part of something else.
I install Wireshark on some of my systems, and WinPcap comes along with that.

You might get a good idea of what it came along with if you open the 'C:\Program Files' folder, Click on 'view', then 'details'. Now click on the 'Date Modified' header (or just click on 'View', 'Arrange Icons By', 'Modified). Now scroll down until you see the WinPcap folder, and see if a folder just above it or below it have the same modification date.

Do you see anything with the same modification date/time?
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29-Jan-2011, 01:06 PM #3
The only file with the same modification date and time is Common Files. Inside that, right at the bottom and on it's own, is an entry: WinPcapNmap.exe. It was the only entry in Common Files with the same date and time. Any ideas? Could it have been part of a Windows Update do you think?

Last edited by Gemini43; 30-Jan-2011 at 06:45 AM..
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29-Jan-2011, 03:02 PM #4
No, WinPcap is not affiliated with Microsoft. It is a driver which binds to your network adapter -- allowing applications like Wireshark to capture everything your network adapter sees.

How it got there is a mystery to me. I would uninstall it. If anything, some other program you have might complain about it missing. If this occurs, it is easy to find and reinstall.

Are you the only user of this PC? If not, ask other users why it might be on there. If you ARE the only user, I would look into checking the PC for a possible malware/virus.

While I do very well at malware location/cleanup in the real world, I am not trained to assist on forums such as this.
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29-Jan-2011, 03:10 PM #5
It is a well-known and very good network packet-capture driver. It is installed often along with other programs that monitor your connection or its contents. I would keep it as it is. It is small and won't hurt anything, but the program that installed it will stop working if you remove it. It may even go with a sidebar gadget.
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29-Jan-2011, 03:36 PM #6
I have noticed a sidebar with Google. Every time I use it, I get a sidebar that I never got before, with where I am located and with all the Google options.
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29-Jan-2011, 07:48 PM #7
If you haven't installed any network monitoring software before, I would be highly suspicious of winpcap's origins. Someone installing that can capture your network traffic, like login passwords, email etc.
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29-Jan-2011, 08:08 PM #8
A lot of programs use WinPcap. It may have been installed along with a program without you knowing it.

http://www.winpcap.org/misc/links.htm

Please click HERE to download and install HijackThis.

Run it and click on Open The Misc Tools section.

Click on Open Uninstall Manager...

Click on Save list...

Save the text file to the desktop.

Copy and paste the log (from Notepad) in your next post.
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30-Jan-2011, 06:36 AM #9
OK here goes (it's ever so long!)

101 Clips
Acrobat.com
Acrobat.com
Acronis*True*Image
Active WebCam
Adobe AIR
Adobe AIR
Adobe Flash Player 10 ActiveX
Adobe Reader 9.4.1
Adobe Shockwave Player 11.5
Adobe SVG Viewer 3.0
ArcSoft PhotoStudio 5.5
Audacity 1.2.6
Belarc Advisor 8.1
BroadJump Client Foundation
Canon CanoScan Toolbox 4.9
Canon ScanGear Starter
CCleaner
Compatibility Pack for the 2007 Office system
Dual Mode Camera (8001 CIF)
Dual Mode Camera (8001 CIF)
End It All
Family Tree Legends
Folder Size for Windows
Free FLV Converter V 6.32
Free RM to MP3 Converter 1.12
Freecom Backup Software 1.15
Freecom Personal Media Suite 2.24
FreeOCR 3.0
Gadwin PrintScreen
Google Update Helper
Google Video Player
HiJackThis
Hotfix for Microsoft .NET Framework 3.5 SP1 (KB953595)
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Hotfix for Windows Internet Explorer 7 (KB947864)
Hotfix for Windows XP (KB2158563)
Hotfix for Windows XP (KB2443685)
Hotfix for Windows XP (KB915800-v4)
Hotfix for Windows XP (KB970653-v3)
Hotfix for Windows XP (KB976098-v2)
Hotfix for Windows XP (KB979306)
Hotfix for Windows XP (KB981793)
Internet Research Centre v1
Jasc Paint Shop Pro 8
Jasc Paint Shop Pro 8.10 Update Patch
Java(TM) 6 Update 23
K-Lite Codec Pack 4.2.5 (Full)
LAME v3.98.2 for Audacity
LimeWire PRO 4.12.3
MailWasher
Malwarebytes' Anti-Malware
Manual CanoScan LiDE 25
Marvell Miniport Driver
Masterra PostSmile 5.2
Microsoft .NET Framework 2.0 Service Pack 2
Microsoft .NET Framework 3.0 Service Pack 2
Microsoft .NET Framework 3.5 SP1
Microsoft .NET Framework 3.5 SP1
Microsoft Antimalware
Microsoft Base Smart Card Cryptographic Service Provider Package
Microsoft Calculator Plus
Microsoft Choice Guard
Microsoft Compression Client Pack 1.0 for Windows XP
Microsoft Internationalized Domain Names Mitigation APIs
Microsoft Kernel-Mode Driver Framework Feature Pack 1.5
Microsoft National Language Support Downlevel APIs
Microsoft Office 2000 SR-1 Disc 2
Microsoft Office 2000 SR-1 Premium
Microsoft Security Client
Microsoft Security Essentials
Microsoft User-Mode Driver Framework Feature Pack 1.0
Microsoft Visual C++ 2005 ATL Update kb973923 - x86 8.0.50727.4053
Microsoft Visual C++ 2005 Redistributable
Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.4148
Microsoft WinUsb 1.0
MSN
MSVCRT
MSXML 4.0 SP2 (KB927978)
MSXML 4.0 SP2 (KB936181)
MSXML 4.0 SP2 (KB954430)
MSXML 4.0 SP2 (KB973688)
Nero Suite
O&O SafeErase
OmniPage SE 2.0
OpenExpert 1.10
PC Inspector File Recovery
Picasa 3
PowerDVD
Pretty Good Solitaire Quest Edition version 7.0
Realtek AC'97 Audio
Revo Uninstaller 1.83
Riva FLV Player
Samsung CLP-300 Series
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Secunia PSI
Security Update for Microsoft .NET Framework 3.5 SP1 (KB2416473)
Security Update for Windows Internet Explorer 7 (KB938127-v2)
Security Update for Windows Internet Explorer 7 (KB950759)
Security Update for Windows Internet Explorer 7 (KB953838)
Security Update for Windows Internet Explorer 7 (KB956390)
Security Update for Windows Internet Explorer 7 (KB958215)
Security Update for Windows Internet Explorer 7 (KB960714)
Security Update for Windows Internet Explorer 7 (KB961260)
Security Update for Windows Internet Explorer 7 (KB963027)
Security Update for Windows Internet Explorer 7 (KB969897)
Security Update for Windows Internet Explorer 8 (KB2183461)
Security Update for Windows Internet Explorer 8 (KB2360131)
Security Update for Windows Internet Explorer 8 (KB2416400)
Security Update for Windows Internet Explorer 8 (KB969897)
Security Update for Windows Internet Explorer 8 (KB971961)
Security Update for Windows Internet Explorer 8 (KB972260)
Security Update for Windows Internet Explorer 8 (KB974455)
Security Update for Windows Internet Explorer 8 (KB976325)
Security Update for Windows Internet Explorer 8 (KB978207)
Security Update for Windows Internet Explorer 8 (KB981332)
Security Update for Windows Internet Explorer 8 (KB982381)
Security Update for Windows Media Player (KB2378111)
Security Update for Windows Media Player (KB954155)
Security Update for Windows Media Player (KB968816)
Security Update for Windows Media Player (KB973540)
Security Update for Windows Media Player (KB975558)
Security Update for Windows Media Player (KB978695)
Security Update for Windows Search 4 - KB963093
Security Update for Windows XP (KB2079403)
Security Update for Windows XP (KB2115168)
Security Update for Windows XP (KB2121546)
Security Update for Windows XP (KB2160329)
Security Update for Windows XP (KB2229593)
Security Update for Windows XP (KB2259922)
Security Update for Windows XP (KB2279986)
Security Update for Windows XP (KB2286198)
Security Update for Windows XP (KB2296011)
Security Update for Windows XP (KB2296199)
Security Update for Windows XP (KB2347290)
Security Update for Windows XP (KB2360937)
Security Update for Windows XP (KB2387149)
Security Update for Windows XP (KB2419632)
Security Update for Windows XP (KB2423089)
Security Update for Windows XP (KB2436673)
Security Update for Windows XP (KB2440591)
Security Update for Windows XP (KB2443105)
Security Update for Windows XP (KB923561)
Security Update for Windows XP (KB952004)
Security Update for Windows XP (KB956572)
Security Update for Windows XP (KB956744)
Security Update for Windows XP (KB956844)
Security Update for Windows XP (KB958869)
Security Update for Windows XP (KB959426)
Security Update for Windows XP (KB960803)
Security Update for Windows XP (KB960859)
Security Update for Windows XP (KB961371)
Security Update for Windows XP (KB961373)
Security Update for Windows XP (KB961501)
Security Update for Windows XP (KB968537)
Security Update for Windows XP (KB969059)
Security Update for Windows XP (KB969898)
Security Update for Windows XP (KB969947)
Security Update for Windows XP (KB970238)
Security Update for Windows XP (KB970430)
Security Update for Windows XP (KB971468)
Security Update for Windows XP (KB971486)
Security Update for Windows XP (KB971557)
Security Update for Windows XP (KB971633)
Security Update for Windows XP (KB971657)
Security Update for Windows XP (KB972270)
Security Update for Windows XP (KB973346)
Security Update for Windows XP (KB973354)
Security Update for Windows XP (KB973507)
Security Update for Windows XP (KB973525)
Security Update for Windows XP (KB973869)
Security Update for Windows XP (KB973904)
Security Update for Windows XP (KB974112)
Security Update for Windows XP (KB974318)
Security Update for Windows XP (KB974392)
Security Update for Windows XP (KB974571)
Security Update for Windows XP (KB975025)
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Security Update for Windows XP (KB978338)
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Security Update for Windows XP (KB979309)
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Security Update for Windows XP (KB979683)
Security Update for Windows XP (KB979687)
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Security Update for Windows XP (KB980218)
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Security Update for Windows XP (KB982665)
Security Update for Windows XP (KB982802)
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Spelling Dictionaries Support For Adobe Reader 9
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Tweak UI
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Update for Windows Internet Explorer 8 (KB971930)
Update for Windows Internet Explorer 8 (KB972636)
Update for Windows Internet Explorer 8 (KB973874)
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Update for Windows Internet Explorer 8 (KB980182)
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Update for Windows XP (KB2141007)
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Update for Windows XP (KB2467659)
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VC 9.0 Runtime
VC 9.0 Runtime
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Visual C++ 2008 x86 Runtime - v9.0.30729.01
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Windows Feature Pack for Storage (32-bit) - IMAPI update for Blu-Ray
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Windows Live Communications Platform
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Windows Live Sign-in Assistant
Windows Live Upload Tool
Windows Media Format 11 runtime
Windows Media Format 11 runtime
Windows Media Player 11
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Windows Media Player 9 Series TweakMP PowerToy
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Windows XP Service Pack 3
WinPcap 4.1.1
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30-Jan-2011, 06:44 AM #10
Quote:
Originally Posted by PedroHin View Post
No, WinPcap is not affiliated with Microsoft. It is a driver which binds to your network adapter -- allowing applications like Wireshark to capture everything your network adapter sees.

How it got there is a mystery to me. I would uninstall it. If anything, some other program you have might complain about it missing. If this occurs, it is easy to find and reinstall.

Are you the only user of this PC? If not, ask other users why it might be on there. If you ARE the only user, I would look into checking the PC for a possible malware/virus.

While I do very well at malware location/cleanup in the real world, I am not trained to assist on forums such as this.
I am the only user of my PC. I have scanned with Microsoft Security Essentials and also Malware Bytes. Last week a couple of medium threats were found, but those were from something to do with Windows Media Player. I tried to play a .wma file and it wanted to download a piece of exta software so WMP could play it. The PC crashed when I tried to install this software and afterwards, I got a warning about spyware. These have now been cleaned out; I have also cleaned the Registry and done further scans, which found nothing.
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30-Jan-2011, 10:16 AM #11
Cleaning the registry has damaged your computer. You should restore the removed entries and uninstall any such cleaner.

How was the malware removed? "A warning about malware" is often malware itself. What kind of "warning"?

What is "Internet Research Centre v1"?

If you have used Limewire, you are almost certainly infected.
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30-Jan-2011, 12:57 PM #12
WinPcap may have been installed by LimeWire.
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31-Jan-2011, 06:18 AM #13
Quote:
Originally Posted by Elvandil View Post
Cleaning the registry has damaged your computer. You should restore the removed entries and uninstall any such cleaner.

How was the malware removed? "A warning about malware" is often malware itself. What kind of "warning"?

What is "Internet Research Centre v1"?

If you have used Limewire, you are almost certainly infected.
(1) I use Reg Seeker or CCleaner to clean the Registry and have done for more than five years, without any ill effects.

(2) The 2 pieces of ('Moderate' Threat) malware was found by Microsoft Security Essentials and then removed by it. Afterwards I ran Malware Bytes to make sure and it found nothing. Yesterday, I did a complete scan with MSE and again nothing was found.

(3) I think Internet Research Centre v1 is to do with Genealogy software called 'Family Tree Legends'. It was installed at the same time and I think is part of the one year free research that came with the program.

Following on.....I've been having a look at some of my programs. I recently installed 'Free OCR' - a scanning program that enables you to extract text from scanned images. It may not be a coincidence that this program shows in Add/Remove as having been used on the same date as this program, although it's a mystery that WinPcap seems to have been installed before the OCR program! However, I do have another OCR program that was installed with my Canoscan scanner (although it doesn't work as well as the Free one) Do you think perhaps that WinPcap is needed with scanning software like this?

Perhaps I should uninstall WinPcap after a restore point and then see if my Free OCR prog still works then? I can always restore back if not.

Last edited by Gemini43; 31-Jan-2011 at 06:57 AM..
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31-Jan-2011, 09:33 AM #14
I don't think it's necessary to uninstall WinPcap. It's a legitimate program and may be used for the proper function of another program. I would leave it alone.

Why I don’t use registry cleaners

Registry Cleaners and System Tweaking Tools

Registry Cleaners
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31-Jan-2011, 10:02 AM #15
[QUOTE=Phantom010;7792711]I don't think it's necessary to uninstall WinPcap. It's a legitimate program and may be used for the proper function of another program. I would leave it alone.


Well, just to be on the safe side I set a restore point, did uninstall it and guess what? Afterwards I found a folder in my Temp file called ~nsu.temp. Inside that was something called au_.exe. On clicking the properties for this I discovered that the product name was WinPcap! I have done a Google Search for this and found that it is indeed dangerous spyware, or even a Trojan. I deleted it and I'm just going to do a search for anything else with au_.exe in the name.
NB: Other software that I have recently installed seems to working OK, so obviously this WinPcap has nothing to do with those. I really think it was installed when I got a message from Windows Media Player to download an extra piece of software in order to play the .wma file. The whole PC crashed then. I think it got so far and then stopped when I tried to stop the installation.
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