I have a small LAN in my home about 4 - 5 computers. The problem is that when there are usually 3 or more pc's online we keep losing the Internet access randomly about every 2 minutes.
So we took a look with the wireshark and it seems like my computer is infected with something that keeps asking my IP to modem. It is something called "Azurewav" (I don't have any hardware or software that is related to neither Azurewav nor Azurwave)
Although its not broadcasting all the time, the thing that its asking modem every second about my mac address seems to be the problem about our connection lost. I'm not very experienced about this but pushing too many requests to modem may cause this (if other computers are infected too) IMHO.
Here is a screenshot from wireshark. I've put the known IP's as static but it keeps continuing somehow.
I'm using Windows 7 - 64 bit Ultimate. And connecting through wireless.
To sum up, my computer is doing some arp spoofing attacks without my will. How can I stop it? If it must be done with a software please share a free one. If it can be solved by deleting the malware by some scans or etc.. It would be much appreciated