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wensrSvc - Bitcoin Miner


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Hi - I had an infection that continually put a bitcoin miner exe file in my C:\Windows folder and it started up randomly. Some of these were caught by Malwarebytes but most were not, but even after deleting them, new ones reappeared, always with a different name (e.g. moy.exe). Tried everything, went through all the advice on this forum, nothing worked.

 

I tried a competing software programme (not sure if I'm allowed to mention the name here) and it was found. Details:

 

 

C:\Windows\System32\wensrSvc.dll
      Size . . . . . . . : 1,688,064 bytes
      Age  . . . . . . . : 10.9 days (2014-01-06 22:34:18)
      Entropy  . . . . . : 7.9
      SHA-256  . . . . . : A519FA9B9E916959EF9751DBB3AECAE561D20BD67C60791363DB14FFBFBB68C3
      Service  . . . . . : wensrSvc
      Fuzzy  . . . . . . : 26.0
         Entropy (or randomness) indicates the program is encrypted, compressed or obfuscated. This is not typical for most programs.
         Starts automatically as a service during system bootup.
         Authors name is missing in version info. This is not common to most programs.
         Version control is missing. This file is probably created by an individual. This is not typical for most programs.
         Program starts automatically without user intervention.
         The file is in use by one or more active processes.
         The file is located in a folder that contains core operating system files from Windows. This is not typical for most programs and is only common to system tools, drivers and hacking utilities.
         Time indicates that the file appeared recently on this computer.
      Startup
         HKLM\SYSTEM\CurrentControlSet\Services\wensrSvc\

 

 

 

Anyway, it's totally fixed now (thank goodness!) and I wanted to warn other users of this. Simple to remove, just delete this file and any similar ones (there was also a wensrSvc.ocx file).

 

Best of luck!!

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  • Staff

Hello general714

I would like to welcome you to the Malware Removal section of the forum.

Around here they call me Gringo and I will be glad to help you with your malware problems.

Very Important --> Please read this post completely, I have spent my time to put together somethings for you to keep in mind while I am helping you to make things go easier, faster and smoother for both of us!

  • Please do not run any tools unless instructed to do so.
    • We ask you to run different tools in a specific order to ensure the malware is completely removed from your machine, and running any additional tools may detect false positives, interfere with our tools, or cause unforeseen damage or system instability.
  • Please do not attach logs or use code boxes, just copy and paste the text.
    • Due to the high volume of logs we receive it helps to receive everything in the same format, and code boxes make the logs very difficult to read. Also, attachments require us to download and open the reports when it is easier to just read the reports in your post.
  • Please read every post completely before doing anything.
    • Pay special attention to the NOTE: lines, these entries identify an individual issue or important step in the cleanup process.
  • Please provide feedback about your experience as we go.
    • A short statement describing how the computer is working helps us understand where to go next, for example: I am still getting redirected, the computer is running normally, etc. Please do not describe the computer as "the same", this requires the extra step of looking back at your previous post.
NOTE: At the top of your post, click on the "Follow This Topic" Button, make sure that the "Receive notification" box is checked and that it is set to "Instantly" - This will send you an e-mail as soon as I reply to your topic, allowing us to resolve the issue faster.

NOTE: Backup any files that cannot be replaced. Removing malware can be unpredictable and this step can save a lot of heartaches if things don't go as planed. You can put them on a CD/DVD, external drive or a pen drive, anywhere except on the computer.

NOTE: It is good practice to copy and paste the instructions into notepad and print them in case it is necessary for you to go offline during the cleanup process. To open notepad, navigate to Start Menu > All Programs > Accessories > Notepad. Please remember to copy the entire post so you do not miss any instructions.

I need to get some reports to get a base to start from so I need you to run these programs first.

-Download DDS-

  • Please download DDS from one of the links below and save it to your desktop:

    dds_scr.gif

    Download DDS and save it to your desktop

    Link1

    Link2

    Link3

    • Double-Click on dds.scr and a command window will appear. This is normal.
    • Shortly after two logs will appear:
      • DDS.txt
      • Attach.txt
    • A window will open instructing you save & post the logs
    • Save the logs to a convenient place such as your desktop
    • Copy the contents of both logs & post in your next reply
Gringo
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