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Windows 7: Two computers, same network, same IP?


15 Aug 2011   #1

Win 7 HP 64 bit
 
 
Two computers, same network, same IP?

I am using Windows 7 HP, with a broadband connection, on an Intel i3 quad core, and a DLIINK router.

I was browsing the internet, when all of a sudden it stopped (browser=Chrome) loading pages, and a pop up appeared saying there was an error, and 2 computers on my network were sharing the same IP address.

I don't have 2 pc's, just the one, and don't understand how this could happen. I did have a virus last week - Trojan.ADH.2 but do not know if that is related to this problem.

I closed my browser, and opened a cmd line and typed ipconfig /renew, then restarted my computer, and since then I have not had any problems I am aware of.

Does this mean I have a virus or mal/spy ware on my PC?


My System SpecsSystem Spec
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15 Aug 2011   #2

Operating System : Windows 7 Home Premium Edition 6.01.7600 SP1 (x64)
 
 

hi there and welcome to seven forums

i would run this to check for virus etc Kaspersky Virus Removal Tool Kaspersky Virus Removal Tool 2011

Quote:
Kaspersky Virus Removal Tool 2011
is a free software intended to disinfect infected computers, removing viruses, Trojans, and spyware, as well as any other types of malware. Kaspersky Virus Removal Tool 2011 uses the same highly efficient algorithms for detecting malware as Kaspersky Anti-Virus. Algorithms include a full-functional anti-virus scanner, technologies developed for detecting vulnerabilities in installed applications and operating systems, and a technology for running scripts intended for removing complex and compound viruses. The utility can be used as a free anti-virus software.

Kaspersky Virus Removal Tool 2011 is not intended for real-time protection of computer. After the disinfection of the computer is complete, the application should be uninstalled from the hard drive and replaced with the real-time protection anti-virus:
My System SpecsSystem Spec
15 Aug 2011   #3

Win 7 HP 64 bit
 
 

I'm sorry - I guess I should have listed the steps I have already taken so steps are not duplicated. I have run Kaspersky's online scanner, as well as their root kit scanner, but they came up clean.
I have also run complete scans with Norton, and Malwarebytes. These also did not detect anything.

Another question I would like to hear the answer to is: Can I disable the internet adapters such as the wan *.* adapters? I did disable the 6to4 adapter, but only because I used the netsh command to turn off Ipv6.
My System SpecsSystem Spec
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16 Aug 2011   #4

Operating System : Windows 7 Home Premium Edition 6.01.7600 SP1 (x64)
 
 

sorry for late reply, you say you ran the kaspersky online scanner and it found nothing. the Kaspersky Virus Removal Tool 2011 is a little more deeper scan its worth downloading and running also its free follow the instructions if you are unsure

Quote:
Advantages:

The application is absolutely free.
Simple application interface.
Installation on an infected computer. Including:
in Safe Mode of Microsoft Windows;
when a real-time protection of anti-virus is running.
The installation process does not require interaction with the user anymore.
Closing the main window is enough to uninstall the application form a computer.
Automatic scan and disinfection:
search of malware using signature databases;
heuristic analyzer;
search and neutralization of rootkits;
search of applications with known vulnerabilities;
non-signature search of malware based on "cloud" technologies (when Internet access is available).
Manual scan and disinfection:
collection of information about an infected computer and system;
interactive creation of disinfection scripts.

What's new in Kaspersky Virus Removal Tool 2011:

The user interface has been improved.
The application installation and uninstallation have been simplified.
A full-functional use of the application from a flash card has been implemented.
The process self-defense has been implemented.
The advanced disinfection has been improved.
Compatibility with real-time protection anti-virus applications has been improved.
My System SpecsSystem Spec
16 Aug 2011   #5

Windows 7 Ultimate N 64-bit
 
 

did you check your IP settings?

and also attached devices to the router?
My System SpecsSystem Spec
16 Aug 2011   #6

Windows 7 Ultimate X64 SP1
 
 

Quote   Quote: Originally Posted by joecrash View Post
Another question I would like to hear the answer to is: Can I disable the internet adapters such as the wan *.* adapters? I did disable the 6to4 adapter, but only because I used the netsh command to turn off Ipv6.
If you could open command prompt, and give us the output of an "ipconfig /all" (no quotes) then we could probably tell you which ones are safe to disable.

I think it's unlikely that your computer was infected by malware if you were showing duplicate IP's, (not that running a good scan with the Kapersky tool is a bad idea).

However... one thing I do wonder, do you connect to your router (if you have a router) wirelessly? If so, what sort of security do you have setup on the router? It's possible that someone was trying to hack your wireless network, and spoofed your MAC address, which would result in them being given your IP.
My System SpecsSystem Spec
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 Two computers, same network, same IP?




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