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Audio Driver gone after Quarintining


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After doing a scan with Malwarebytes today it detected a rootkit and said I needed to restart in order to quarantine it. My laptop then froze when restarting it and now my audio drivers don't work, says that my audio devices aren't installed and that it can't be loaded in the device manager. It's listed as High Definition Audio Controller in the Device manager. Updating it does nothing, says that it's already installed.

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 7/25/17
Scan Time: 2:47 PM
Logfile:
Administrator: Yes

-Software Information-
Version: 3.0.6.1469
Components Version: 1.0.103
Update Package Version: 1.0.2433
License: Free

-System Information-
OS: Windows 10
CPU: x64
File System: NTFS
User: DESKTOP-7CBE4JG\Sam

-Scan Summary-
Scan Type: Threat Scan
Result: Completed
Objects Scanned: 402456
Time Elapsed: 3 min, 0 sec

-Scan Options-
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Enabled
Heuristics: Enabled
PUP: Enabled
PUM: Enabled

-Scan Details-
Process: 0
(No malicious items detected)

Module: 0
(No malicious items detected)

Registry Key: 0
(No malicious items detected)

Registry Value: 0
(No malicious items detected)

Registry Data: 0
(No malicious items detected)

Data Stream: 0
(No malicious items detected)

Folder: 0
(No malicious items detected)

File: 1
Unknown.Rootkit.Driver, C:\WINDOWS\System32\drivers\ks.sys, Replaced, [0], [0],0.0.0

Physical Sector: 0
(No malicious items detected)


(end)

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Follow the instructions below, we'll try to restore it.

EndqYRa.pngSystem File Checker (SFC)
Follow the instructions below to run a SFC scan on your system and to provide the CBS log in your next reply;

  • On Windows Vista & 7, click on the Windows Start Menu, then enter cmd in the search box, right-click on the cmd icon and select Spcusrh.pngRun as Administrator
  • On Windows 8, drag your cursor in the bottom-left corner, and right-click on the metro menu preview, then select Command Prompt (Admin);
  • On Windows 8.1 and Windows 10, right click on the Windows logo in the bottom-left corner and select Command Prompt (Admin);
  • Enter the command below and press on Enter;
    sfc /scannow

    Note: There's a space between "sfc" and "/scannow";
  • Once the scan is complete, enter the command below and press on Enter
    copy %windir%\logs\cbs\cbs.log "%userprofile%\Desktop\cbs.txt"
  • A file called cbs.txt will have appeared on your Desktop. Upload the file on Dropbox, Google Drive or OneDrive and post the download URL for it here;


Note: Please note that the CBS.log is volatile, which means that if you don't upload it after the SFC scan is completed, it won't have the information from the scan anymore. So archive it and upload it as soon as you can.

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Glad we could help. :)If you need this topic reopened, please send a Private Message to any one of the moderating team members. Please include a link to this thread with your request. This applies only to the originator of this thread.Other members who need assistance please start your own topic in a new thread. Thanks!

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