How do I remove OptProCrash.dll?

[natasha1997]

Hello,

     I'm new to forums, but I just got a laptop today and in the process of trying to download Microsoft Office, my mother told me it was okay to download something that contained multiple trojans. I think I got almost everything deleted, but I can't get OptProCrash.dll to delete. I've tried using the Task Manager and Command Prompt, but I have a limited understanding of how all of that exactly works.

     Every time I right click and then select delete on the file, I get the message "The action can't be completed because the file is open in Optimizer Pro Crash Monitor." I cannot find that program anywhere, though. Any help is appreciated, but I could really use some thorough instructions as everything I've googled hasn't been of any use.

     By the way, I'm running Windows 8.1. I'm not sure what else I should include about my computer. Let me know if there is anything other information you need.

[Psychotic]

Hi there,
my name is Marius and I will assist you with your malware related problems.

Before we move on, please read the following points carefully.

• First, read my instructions completely. If there is anything that you do not understand kindly ask before proceeding.
• Perform everything in the correct order. Sometimes one step requires the previous one.
• If you have any problems while following my instructions, Stop there and tell me the exact nature of your problem.
• Do not run any other scans without instruction or add/remove software unless I tell you to do so. This would change the output of our tools and could be confusing for me.
• Post all logfiles as a reply rather than as an attachment unless I specifically ask you. If you can not post all logfiles in one reply, feel free to use more posts.
• If I don't hear from you within 3 days from this initial or any subsequent post, then this thread will be closed.
• Stay with me. I will give you some advice about prevention after the cleanup process. Absence of symptoms does not always mean the computer is clean.
• My first language is not english. So please do not use slang or idioms. It could be hard for me to read. Thanks for your understanding.
  

 
 
 
 
 
HijackThis is not the preferred initial scanning tool in this forum. With today's malware, a more comprehensive set of logs is required to determine the presence of malware.
 
 
 
 
Scan with FRST in normal mode

Please download Farbar's Recovery Scan Tool to your desktop: FRST 32bit or FRST 64bit (If not sure: Start --> Computer (right click) --> properties)
 

• Run FRST.
• Don´t change one of the checkboxes and hit Scan.
• Logfiles are created on your desktop.
• Poste the FRST.txt and (after the first scan only!) the Addition.txt.
  

 
 
 
 
 Scan with aswMBR

Please download aswMBR ( 4.5MB ) to your desktop.

• Double click the aswMBR.exe icon, and click Run.
• There will be a short delay before the next dialog box comes up. Please just wait a minute or two.
• When asked if you'd like to "download the latest Avast! virus definitions", click Yes.
• Typically this is about a 100MB download so depending on your connection speed it can take a short while to download and become ready.
• Click the Scan button to start the scan once the update has finished downloading
• On completion of the scan, click the save log button, save it to your desktop, then copy and paste it in your next reply.
  

Note: There will also be a file on your desktop named MBR.dat do not delete this for now. It is an actual backup of the MBR (master boot record).

[AdvancedSetup]

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