Excessive traffic unexplained

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I'm Here A Lot
Posts: 6

Excessive traffic unexplained

 

 

Hello,
I have wireless disabled on my modem, so there is no chance of people abusing my Wi-Fi.
There are two laptops connected to the modem. Both have Microsoft Security Essentials properly installed and updated. No malware, no strange activity on laptops observed.

My usual  traffic is  3 -5 Gigabyte daily.  No games, no Netflix.   But from time to time it jumps up to 180 Gigabyte per day, downloading only. Uploading is normal.

 

Could you solve this riddle?

Thanks,

Yuri

 

 

***edited labels***

 

 

 

 

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Resident Expert
Resident Expert
Posts: 14,192

Re: Excessive traffic unexplained

MSE is mostly just virus.. i would reccomend running MALWAREBYTES as well, it is a much better malware program, just to eliminate it as a possibility.

You dont have any cloud services, etc set up? (icloud, skydrive, etc)?
(though 180 is a little excessive for those).

Do you game or use anything like steam.?

 



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I'm Here A Lot
Posts: 6

Re: Excessive traffic unexplained

--
Thank you. No games, no cloud services. I’ll try MALWAREBYTES and report the results.

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I'm Here A Lot
Posts: 6

Re: Excessive traffic unexplained

 I am reluctant to install MALWAREBYTES because I am not sure I will be able to get rid of its pop-ups and ads.

But suppose I indeed have some malware on one of the laptops. Then my expectation would be the malware will send something (spam, porn, what not) and it will show as uploaded data. But I have excessive traffic only in downloading, and there are no other side effects. The laptops seem to work normal.  What’s the point of writing malware which only downloads data on the affected computer and does nothing else?

Do you think it is possible Rogers is not counting the traffic correctly?

Thank you for your help. If you still think it is malware please advise how to detect/remove it without getting unwanted ads and pop-ups.

Your help is highly appreciated.

 

Yuri

 

 

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Resident Expert
Resident Expert
Posts: 6,771

Re: Excessive traffic unexplained

I run Malwarebytes Anti-Malware (Free) as a secondary detection application as well.  Have done so for a good number of years without issue.  You won't get pop-ups and ads with it.  You could also install  NetspeedMonitor on your pc's and laptops to monitor data traffic into and out of each device.  With that installed you can look at the download and upload history on each device and compare the total to the Rogers numbers.  You can find NetSpeedMonitor here:  http://www.floriangilles.com/software/netspeedmonitor

 

Do you run anything else other than Microsoft Security Essentials?  If not, you should consider other free or paid anti-virus / anti-malware applications.  No one program is perfect in its detection capability, so using 2 or 3 programs is not unreasonable.  One real time and one for additonal scans.



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Resident Expert
Resident Expert
Posts: 14,192

Re: Excessive traffic unexplained

Running monitoring software as mentioned by datalink, will be a good sign if something might be amiss on that pc.

It's totally possible that it's a Rogers issue of not monitoring correctly... But the likeliness of it only effecting certain days? I would think it would normally be more consistently over.



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I'm Here A Lot
Posts: 6

Re: Excessive traffic unexplained

  Tried MS Malicious Software Removal Tool – all is clean, nothing found

 

 

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Resident Expert
Resident Expert
Posts: 14,192

Re: Excessive traffic unexplained

the MS malicious software tool, only searches for a very SMALL set of software.



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I'm a Reliable Contributor
Posts: 157

Re: Excessive traffic unexplained

Hi 

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I'm an Advisor
Posts: 931

Re: Excessive traffic unexplained

180GB/day? If my math is right, that works out to TWO MEGABYTES per second (or around 16 megabits/sec).

 

That's a.... lot... of bandwidth. I've had poorly-coded web sites left open in browsers use 5-10GB/day before, but 180 is a lot more. But the good news, 180 is so much that it should be easier to diagnose than a 1-2GB slow leak...

 

What browser do you use? I am not necessarily the biggest fan of Google Chrome, but its 'Task Manager' shows network usage per tab.

 

Also, play with the MS Task Manager. In Windows 7 at least, it shows network utilization on the "Networking" tab. 16 megabits/sec is about 16% of a 100 megabit link, 1.6% of a gigabit link, it should be VERY noticeable there.

 

What Rogers plan are you running? D2 or D3 hardware?