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Is a virus eating up my disc space?


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#1 mytrom

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Posted 06 December 2009 - 07:39 PM

Hi,
I have noticed the space on my hard drive is getting less and less even though I'm not downloading anything. I've ran virus scans and used disc cleanup. My computer became so slow to start up and respond in the morning that I started to leave my Firefox browser open all the time when I put the computer on stand by. Could I have a virus or is something else going on?
My OS is Windows XP Home Edition. Service Pack 3.

Thanks very much
Mytrom

Edit: Moved topic from AII to the more appropriate forum, at the request of BC Staff. ~ Animal

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#2 Computer Pro

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Posted 06 December 2009 - 10:01 PM

Hello and welcome to Bleeping Computer.

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Lets take a look with Malwarebytes

Please download Malwarebytes' Anti-Malware from here:
Malwarebytes
Please rename the file BEFORE downloading to zztoy.exe instead of mbam-setup.exe

MBAM may "make changes to your registry" as part of its disinfection routine. If using other security programs that detect registry changes (ie Spybot's Teatimer), they may interfere or alert you. Temporarily disable such programs or permit them to allow the changes.

Double Click zztoy.exe to install the application.
* Make sure a checkmark is placed next to Update Malwarebytes' Anti-Malware and Launch Malwarebytes' Anti-Malware, then click Finish.
* If an update is found, it will download and install the latest version.
* Once the program has loaded, select "Perform Full Scan", then click Scan.
* The scan may take some time to finish,so please be patient.
* When the scan is complete, click OK, then Show Results to view the results.
* Make sure that everything is checked, and click Remove Selected.
* When disinfection is completed, a log will open in Notepad and you may be prompted to Restart.(See Extra Note)
* The log is automatically saved by MBAM and can be viewed by clicking the Logs tab in MBAM.
* Copy&Paste the entire MBAM report (even if it does not find anything) in your next reply

Extra Note:
If MBAM encounters a file that is difficult to remove,you will be presented with 1 of 2 prompts,click OK to either and let MBAM proceed with the disinfection process, if asked to restart the computer, please do so immediately.


If Malwarebytes won't install or run

Some types of malware will disable MBAM and other security tools. If MBAM will not install, try renaming it. Right-click on the mbam-setup.exe file and change the .exe extension to .bat, .com, .pif, or .scr and then double-click on it to run.

If after installation, MBAM will not run, open the Malwarebytes' Anti-Malware folder in Program Files, right-click on mbam.exe and change the .exe as noted above. Then double-click on it to run.
Computer Pro

#3 mytrom

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Posted 07 December 2009 - 07:24 AM

Hi Computer Pro,
Thanks for helping me. Here's the MBAM log.

Malwarebytes' Anti-Malware 1.42
Database version: 3289
Windows 5.1.2600 Service Pack 3
Internet Explorer 8.0.6001.18702

12/7/2009 7:09:49 AM
mbam-log-2009-12-07 (07-09-49).txt

Scan type: Full Scan (C:\|D:\|E:\|)
Objects scanned: 197102
Time elapsed: 1 hour(s), 11 minute(s), 39 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 0

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
(No malicious items detected)

#4 Computer Pro

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Posted 07 December 2009 - 04:43 PM

Ok, when did you start noticing the change, and also how much space is being taken?
Computer Pro

#5 mytrom

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Posted 07 December 2009 - 07:21 PM

In June my computer started being slow. Firefox opened slow, windows media player opened slow, especially in the morning. As the day went on things got better. I then started leaving various websites open in my browser over night and put the computer in stand by mode so it would start up quicker in the morning.

Two weeks ago I started to get warnings regarding low virtual memory so I started removing files. At that time I had 1.5 to 2 G of free space. Right now I have 429 MB. Over the last three days the MB has ranged from a high of 499 MB to a low of 378 MB. All my files are off my computer at this time.

Thanks
Mytrom

#6 Computer Pro

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Posted 07 December 2009 - 08:59 PM

How much total drive space do you have, such as in what is the max your disk can hold?
Computer Pro

#7 mytrom

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Posted 08 December 2009 - 07:41 AM

The max space on my C disc is 40 G.

#8 ThunderZ

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Posted 08 December 2009 - 07:44 AM

How much memory are you running?

#9 mytrom

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Posted 08 December 2009 - 09:29 AM

How can I determine how much memory I am running?

#10 mytrom

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Posted 08 December 2009 - 10:26 AM

Using google, I went to the windows task manager. Total physical memory (K) is 777584, available memory is 220552, the difference is 257032. Is this what you wanted?

#11 ThunderZ

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Posted 08 December 2009 - 10:41 AM

Amount of RAM installed.
Right click on My Computer > Properties

#12 mytrom

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Posted 08 December 2009 - 12:27 PM

Here's what I find on C disc properties:

Used space- 39,656,521,728 bytes 36.9 GB

Free space - 351,207,424 bytes 334 MB

Capacity- 40,007,729,152 bytes 37.2 GB

#13 mytrom

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Posted 08 December 2009 - 12:48 PM

Now I've found it. 760 MB of RAM.

#14 ThunderZ

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Posted 08 December 2009 - 01:02 PM

All the things you mentioned in post #5 will eat up RAM. Also if you have a lot running at start-up add`d to what ever programs you run when on the PC.

I think at least part of your problem is your page file\swap file = virtual memory is being used heavily due to insufficient RAM.


......Two weeks ago I started to get warnings regarding low virtual memory so I started removing files. At that time I had 1.5 to 2 G of free space. Right now I have 429 MB. Over the last three days the MB has ranged from a high of 499 MB to a low of 378 MB. All my files are off my computer at this time



#15 mytrom

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Posted 08 December 2009 - 01:24 PM

I have stopped leaving my browser open all night while in stand bye. Is it normal for a 40G C disc to fill up like this without having any of my files left on it? What do we do now?

Edited by mytrom, 08 December 2009 - 01:33 PM.





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