Something's using my internet bandwidth

By Envergure ยท 8 replies
Jun 1, 2007
  1. Hey, guys.

    I've got a 256kb DSL line and something's using 40-80 of my kb's :( for some reason. It's just in the last week that I've noticed it, and I know that it wasn't happening as little as three weeks ago.

    I first tried turning off WeatherEye and Dad, but that didn't help. Then I scanned my computer with AVG, but my it was clean. So I opened Task Manager to see what was using all my bandwidth. "CLI.exe" and "System" were using some CPU power, so I suspect it's one of those, but I don't know what either one does.

    Oh yeah, and I have Windows XP Home.

    Any ideas or advice is appreciated. It isn't a horrible problem, but it makes Halo llaaggg.

    Okay, I found out what CLI.exe is. It's ATI Catalyst Control Centre, so I doubt that's what's causing the problem.
  2. leadpill924

    leadpill924 Banned Posts: 119

    Thats exactly whats wrong with my dad's comp. I installed Zone Alarm and it said instantly 'A new internet connection has been found.' So I blocked it and got 9000 Attempts to regain the internet.

    Edited by Moderator: Removed quote. There`s no need to quote the post directly above your own, unless you`re only replying to a specific section, in which case you would only quote that section. ;)
  3. poertner_1274

    poertner_1274 secroF laicepS topShceT Posts: 4,172

    It is probably a trojan that has been run on your system allowing people to place FTP servers, etc. on there without your knowledge. Your best bet is to get a good firewall monitor to help protect you from these sorts of things.
  4. Envergure

    Envergure TS Booster Topic Starter Posts: 134

    That could be. If it is a trojan how do I get rid of it?
  5. howard_hopkinso

    howard_hopkinso TS Rookie Posts: 24,177   +19

    Go and read this thread HERE and post a HJT log an attachment.

    Regards Howard :)
  6. jobeard

    jobeard TS Ambassador Posts: 11,128   +982

    get a copy of cports.exe

    it will monitor all open ports and tell you which programs have opened them.

    sometimes we forget that we have allowed Auto-Updates which require bandwidth.
    personally, I try to avoid as many of these as possible --
    just how many updates to Java, Quicktime, iTunes do we expect each week?
    my AV and firewall updates are the ones I usually keep.
  7. tihirahi

    tihirahi TS Rookie

    I'm getting the same problem, did you find an answer to this eventually?
  8. freemont

    freemont TS Rookie Posts: 20

    You all should open up a terminal:

    Start -> Run -> cmd -> Enter

    and type netstat -o

    This will show all open network connections. It will give a clue as to what's eating all this bandwidth. Of particular interest will be the PID column. This Process ID can be matched to a process listed in the Task Manager.

    To see PIDs in Task Manager:

    Right-click the taskbar -> Click Task Manager -> Click Processes tab -> Click View -> Click Select Columns -> Check PID -> Click OK

    Lettuce know what you find. ;-)
  9. Envergure

    Envergure TS Booster Topic Starter Posts: 134

    I never found out what's wrong, but I haven't had a problem since I got my new comp.
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