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DNS address keep changing from Auto to 87.118.74.138 (Preventing Internet Access


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#1 ApPoudel

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Posted 05 August 2016 - 12:07 PM

Hello Legends,

 Iam using windows 10 pro on my Dell inspiron 15r 5537 model. From the last month i am getting the DNS problem. I make the DNS obtain automatically under ipv4 properties but after 2-3 minutes it become Specified DNS address with address  87.118.74.138 and 8.8.8.8. I have tried flushing DNS, Uninstalling WLAN drivers, Rolling back, Updating. Changed this address also in Registry but after 2-3 minutes again the same.It prevent me from accessing the internet or opening the new pages on browsers but some of the download will stay continued. I'am getting trouble from it. Please help me to Solve this issue. thanks in advanced 

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#2 Will5200

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Posted 05 August 2016 - 12:59 PM

IP address traces to Keyweb.de. Dubious history, and I would not put it past one of their clients:

 

https://www.mywot.com/en/scorecard/keyweb.de?utm_source=addon&utm_content=popup-donuts

 

Page here will give you an idea of how to find the dns servers in the registry (has to be the registry, you take the stuff out, then it comes back). http://windowsitpro.com/networking/where-registry-are-entries-dns-servers-located

 

The question is, how is it happening? Malware is capable of changing registry items, happens all of the time. Have you scanned your computer yet? Malwarebytes is free to consumers.


Edited by Will5200, 05 August 2016 - 01:08 PM.


#3 boopme

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Posted 05 August 2016 - 03:08 PM

I suspect it may be malware. Moved from Win 10 to Am I Infected forum.

3Al62Pm.pngMiniToolBox
  • Please download MiniToolBox, save it to your desktop and run it.
  • Checkmark the following checkboxes:
    • Flush DNS
    • Report IE Proxy Settings
    • Reset IE Proxy Settings
    • Report FF Proxy Settings
    • Reset FF Proxy Settings
    • List content of Hosts
    • List IP configuration
    • List Winsock Entries
    • List last 10 Event Viewer log
    • List Installed Programs
    • List Users, Partitions and Memory size.
  • Click Go and post the result (Result.txt). A copy of Result.txt will be saved in the same directory the tool is run. Note: When using "Reset FF Proxy Settings" option Firefox should be closed.
zcMPezJ.pngAdwCleaner
  • Please download AdwCleaner by Xplode and save to your Desktop.
  • Double click on AdwCleaner.exe to run the tool. Vista/Windows 7/8 users right-click and select Run As Administrator
  • Click on the Scan button.
  • AdwCleaner will begin...be patient as the scan may take some time to complete.
  • After the scan has finished, click on the Report button...a logfile (AdwCleaner[R0].txt) will open in Notepad for review.
  • The contents of the log file may be confusing. Unless you see a program name that you know should not be removed, don't worry about it. If you see an entry you want to keep, let me know about it.
  • Copy and paste the contents of that logfile in your next reply.
  • A copy of all logfiles are saved in the C:\AdwCleaner folder which was created when running the tool.
lv0mVRW.pngJunkware Removal Tool
  • Please download Junkware Removal Tool to your desktop.
  • Shut down your protection software now to avoid potential conflicts.
  • Run the tool by double-clicking it. If you are using Windows Vista, 7, or 8; instead of double-clicking, right-mouse click JRT.exe and select "Run as Administrator".
  • The tool will open and start scanning your system.
  • Please be patient as this can take a while to complete depending on your system's specifications.
  • On completion, a log (JRT.txt) is saved to your desktop and will automatically open.
  • Post the contents of JRT.txt into your next message.
cvMlKv6.pngESET Online Scanner
  • Click here to download the installer for ESET Online Scanner and save it to your Desktop.
  • Disable all your antivirus and antimalware software - see how to do that here.
  • Right click on esetsmartinstaller_enu.exe and select Run as Administrator.
  • Place a checkmark in YES, I accept the Terms of Use, then click Start. Wait for ESET Online Scanner to load its components.
  • Select Enable detection of potentially unwanted applications.
  • Click Advanced Settings, then place a checkmark in the following:
    • Remove found threats
    • Scan archives
    • Scan for potentially unsafe applications
    • Enable Anti-Stealth technology
  • Click Start to begin scanning.
  • ESET Online Scanner will start downloading signatures and scan. Please be patient, as this scan can take quite some time.
  • When the scan is done, click List threats (only available if ESET Online Scanner found something).
  • Click Export, then save the file to your desktop.
  • Click Back, then Finish to exit ESET Online Scanner.

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