MBAMService memory not releasing in svchost.exe, (WinXP)

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On one of my WinXP Pro machines, I've been running MalwareBytes for years (Pro version). For quite a while, svchost.exe has steadily consumed more and more memory until eventually a restart is required to reset its usage. I've finally narrowed it down to the MBAMService service. Stopping that resolves the issue.

I had one daily update scheduled, a weekly full scan, and daily quick scan. Flash scan upon update was not enabled.

I have not witnessed the problem on my Windows 7 Home Premium PC. Nor have I noticed this problem elsewhere.

Note, just because it's an issue with "svchost.exe", this does not pertain to the "svchost.exe" trojan - sorry if your search for that brought you here.


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Please post the logs below as attachments so some can review them....

Please post an mbam-check log:

Create an mbam-check log:

  • Download mbam-check.exe from here and save it to your desktop
  • Double-click on mbam-check.exe to run it, it should then open a log file
  • Please attach the CheckResults.txt file which should now be located on your desktop to your next reply

Next, Please run the following scanner and send back the logs.

Download DDS from one of the locations below and save to your Desktop


Temporarily disable any script blocker if your Anti-Virus/Anti-Malware has it.

How To Temporarily Disable Your Anti-virus, Firewall And Anti-malware Programs

Once downloaded you can disconnect from the Internet and disable your Ant-Virus temporarily if needed.

Then double click dds.scr or to run the tool, on Vista or Win 7 right click and select Run as administrator

Click the Run button if prompted with an Open File - Security Warning dialog box.

A black DOS console should open and run for a moment.

  • When done, DDS will open two (2) logs:
  1. DDS.txt
  2. Attach.txt

  • Save both reports to your desktop
  • Please include the following logs in your next reply: DDS.txt and Attach.txt
    You can ignore the note about zipping the Attach.txt file in most cases.

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