Internet not working, might be a virus.


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Hi guys

 

So yesterday all of a sudden my internet became incredibly slow, so i though it would be some generic issue like it usually is but it isn't.

All my laptops and phones are running slow, so its not an issue with them and I have two routers in my home and both are suffering from exactly the same issue, so i don't think they're the problem either. I ran a speed test and I'm getting my 16mb connection that I'd paid for yet the connection is so slow that sometimes loading websites just crash. Weirdly enough its not the case with all websites, google works fine till i click on something and youtube loads videos just as fast as it normally would. It all stated while I wondered onto one of those strange sites will all the adverts that you need to click the x on the corner to get rid of but invariably they pop open new urls. Didn't have a problem before then, think it might be some sort of virus? any ideas?

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"All my laptops and phones are running slow"

 

And you went to this strange site on ALL your devices?  You say you have 2 routers?  So you have 2 different ISPs?

 

So is your slowness only over wireless?  Or wired connections as well?  Can you describe your layout - you mention 2 routers, but then only 1 speed test..  So sounds like you have a double nat setup??  You would only ever really need 1 router - you could have multiple AP, etc..  But why would you need 2 "routers"??

 

I find it unlikely that something that might of infected the machine you went to some bad site with effect your other machines - unless this machine is using up all the bandwidth, but you say your speedtest looks fine, etc..  Sounds more like just a router issue - did you reboot it?

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"All my laptops and phones are running slow"

 

And you went to this strange site on ALL your devices?  You say you have 2 routers?  So you have 2 different ISPs?

 

So is your slowness only over wireless?  Or wired connections as well?  Can you describe your layout - you mention 2 routers, but then only 1 speed test..  So sounds like you have a double nat setup??  You would only ever really need 1 router - you could have multiple AP, etc..  But why would you need 2 "routers"??

 

I find it unlikely that something that might of infected the machine you went to some bad site with effect your other machines - unless this machine is using up all the bandwidth, but you say your speedtest looks fine, etc..  Sounds more like just a router issue - did you reboot it?

Strange site makes it sound a lot more sketchy then it is, no I didn't go to it on all of them. The reason we got another router was kinda silly, i thought it was broken but it was fine, so i hooked it back up to solve the range issue in my home, I wouldn't get signal across my entire home using one of them only. 

 

Anyways, yes i rebooted both routers multiple times, the reason i don't believe its a router issue is because the issue effects both of them the same way, so I figured it must be effecting the entirety of my home network. I only have one ISP, I just have the routers plugged in at different Ethernet ports. The speed test has the same result over both routers, in that the connection seems fine, but no doubt in that a lot of websites I visit regularly are working a lot slower than usual.

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"because the issue effects both of them the same way"

 

What.. So your saying you swap out router 1 with router 2?  You only have 1 isp connection - so your connection would have to be going thru 1 of the routers to get to the internet - which could have the problem..

 

"only have one ISP, I just have the routers plugged in at different Ethernet ports."

 

So you have 2 routers plugged into your isp router??  Dude what is the make and model of device your "routers" are plugged into - and what is the make and model of those.  Are you using them as AP??  How do they connect to the ethernet ports of your isp device?  Sorry but modems don't have more than 1 ethernet port - so its doing nat, I would bet your other routers you bought are also doing NAT.. 

 

Did you reboot your isp device?  And what do you consider slow??  Could be a dns related problem..

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Dumb question, but have you rebooted to modem itself? Most of my speed issues is the crap Comcast modem I need to replace one day, and rebooting it generally is all I need to do, reboot the router after out of habit really 

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Check the router which connects to the WAN (plugs into the main socket) via the interface (probably 192.168.0.1 or 192.168.1.1) and see what the DNS settings are for it.

Where are these Etherent plugs you connecting to? Is the house pre-wired?

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BudMan, you are going through a more complicated trouble-shooting where the OP display that he's not that of an expert on the router set up and stuff.  His problem is probably much simpler than what you think.  Perhaps he already answer his own question already.  I would suggest using multiple a/v to scan your computer before other complicated method.

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"because the issue effects both of them the same way"

 

What.. So your saying you swap out router 1 with router 2?  You only have 1 isp connection - so your connection would have to be going thru 1 of the routers to get to the internet - which could have the problem..

 

He has a spare modem he is saying.

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yes but is it a mode+router or just a cable modem?? That's the important thing.,

 

also comcast has a wifi hotspot open to xfinity customers off everyone's modem+routers that they supply and it could be taking the b/w as well.

 

does yours have that?

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He has a spare modem he is saying.

To be honest I am not sure what he is saying.. Sounds like to me he has a gateway (modem router combo) and then 2 wifi routers connected to that - which I have a funny feeling are both also natting.  So no matter what wifi connection he is on he is on s double nat.  He could be using them as AP, but then why did he call them routers?

 

Comes down misuse or lack of understandings of terms.

 

Modem - just that MODEM, does not do nat.. You rarely see these in dsl land, unless they took their gateway and bridged it, or set to "modem" mode.  This is more common in cable connections, but as of late many are giving users gateways because they are doing voice as well, etc..  If the device has more than 1 lan side port, its not a MODEM.. This is a "modem" http://www.amazon.com/ARRIS-Motorola-SurfBoard-SB6141-DOCSIS/dp/B00AJHDZSI

 

Gateway - This is a modem/router combo.  Has both the modem and the router in 1 device.  If this is only device you have from your isp and there is more than 1 lan side port most likely its a GATEWAY..  This is a gateway http://www.cisco.com/web/consumer/support/modem_DPC3939.html

 

Router - this plugs into a modem be it dsl or cable via ethernet, should have public IP on its wan.  Quite often does wifi, this is the device that does NAT so you can have multiple devices behind 1 public IP.  Quite often has 4 or more switch ports and wifi AP bridged to the switch ports.  If it has private IP on its wan, most likely that device you plugged it into is not a "modem" but a gateway.  http://www.amazon.com/RT-N66U-Dual-Band-Wireless-N900-Gigabit-Router/dp/B006QB1RPY/ref=lp_300189_1_2?s=pc&ie=UTF8&qid=1421843469&sr=1-2

 

AP (access point) - just that it bridges wifi to wired.  Can be a wifi router that is not doing nat functions.  You connect an wifi router to your network via one of the lan ports, disable its dhcp server and there you go AP.  APs do NOT do NAT..  If your doing nat at your - then it is not an AP, you didn't convert your wifi router to AP correctly most of the time.  This is a true AP http://www.ubnt.com/unifi/unifi-ap/

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Hello,

 

Unfortunately, there are a lot of possibilities, so I start with a very general suggestion:

 

In addition to checking all of the devices on the network for malware, I would also suggest resetting all of the networking gear to their default settings and reconfiguring them as you prefer.

 

Regards,

 

Aryeh Goretsky

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