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Installation malware?

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Malwarebytes has been finding a trojan trying to run a rootkit on my system the past few days, and it always turns up as part of an installation package, but it just gives a process package off the c:\windows\installation\{89fbc5f0-bf36-0188-06d7-91d3b0beb8ff} process. Examination of that process shows a whole bunch of programs, and I can't get it to delete! Every time I try to delete the folder, it says it's open in some other process, and can't be deleted until the other one is closed. Any idea on how to get rid of this?

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Hello and welcome to MBAM forum, EugeneHumbert:

Without the MBAM protection log, it's impossible to say.

We cannot work on malware removal in this sub-section of the forum.

So, if you think you might be infected, please read below for assistance with checking and cleaning your system.

IMPORTANT: Please do NOT use any temporary file cleaners unless instructed to do so - they can cause data loss, making recovery difficult.


OPTION 1: Free, one-on-one, expert assistance in the Malware Removal Forum.

OPTION 2: For licensed users of MBAM PRO, there is free, one-on-one, expert assistance from the MBAM support helpdesk.

OPTION 3: Fee-based, one-on-one, expert assistance from Premium Support.


  • When starting your new post, please note the following:
  • Please do NOT post in a topic started by someone else, even if their problem sounds similar.
  • Please COPY/PASTE the requested logs directly into your post, rather than attaching them.
  • Under options, please be sure to select "track this topic" and "immediate email notification", so you'll know when a helper responds.
  • Please be patient - it may be 48 hours or more before a helper can assist you, especially when the forum is very busy.
  • Please do NOT "bump" your topic or reply back to it for at least 48 hours.
  • Doing so may cause your topic to be overlooked, as it will appear that you are already being helped.


If you are a paid user of MBAM PRO and would like support via the helpdesk, please contact them here.


If you prefer the Malwarebytes Premium Services (comprehensive solutions to all your computer support needs – from installation and set-up to troubleshooting and tune-ups), please go to the Premium Support site here.

Please be patient – someone will assist you as soon as possible.

Thank you very much,


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