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Yahoo Redirect Virus


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#1 cadamhill

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Posted 12 September 2015 - 12:46 PM

I have a webserver with a webapp connected to a db (I was a bit ignorant of the issues placing them all together on the same machine would cause if hacked).  They are all on the same machine.  I noticed 3 days ago that the webapp was working but only externally.   I tried to access it internally and it was scrambled (pcis were not posting, seemed like HTML was not showing up, and the basic design of my website was gone.  So, I spent a little time investigating this issue and found that the IP address was still directed properly to Godaddy, pinging my ip worked fine, but when it tried to find the web code, it timed out.  Now its timing out internally and externally.  

 

Trying to get some information from the web, I noticed that my stored homepage was redirected to a yahoo redirect virus (both in firefox and chrome).  I had let down my guard for two hours and took down my firewall while testing settings.  It was in this time that the redirect occured.  Now, I ran Malwarebytes and removed the virus from my system but my website is still not responding.  Im wondering if the redirect could have done something with my settings or if it could have redirected my homepage somewhere else.  

 

I was getting a 404 error but now its just timing out.  Does anyone have any idea what I can do next to try to resolve this issue.

 

Also, I wonder..does this redirect virus affect IIS by changing the structure or redirecting pages?

 

FYI

Im using IIS

 

Thank you in advance for any help.. If I have left out anything important, please advise.  


Edited by cadamhill, 12 September 2015 - 12:53 PM.


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#2 buddy215

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Posted 13 September 2015 - 10:06 AM

Run scans using the programs below. Still have a problem, reset your router and check your DNS settings. Those settings may have been changed to a malicious DNS server.

 

Use CCleaner to remove Temporary files, program caches, cookies, logs, etc. Use the Default settings. No need to use the

Registry Cleaning Tool...risky. Pay close attention while installing and UNcheck offers of toolbars....especially Google.

After install, open CCleaner and run by clicking on the Run Cleaner button in the bottom right corner.

CCleaner - PC Optimization and Cleaning - Free Download

 

 

Download AdwCleaner by Xplode onto your desktop.

  • Close all open programs and internet browsers.
  • Double click on adwcleaner.exe to run the tool.
  • Click on Scan button.
  • When the scan has finished click on Clean button.
  • Your computer will be rebooted automatically. A text file will open after the restart.
  • Please post the contents of that logfile with your next reply.
  • You can find the logfile at C:\AdwCleaner[S1].txt as well.
  • 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
  • Hold down Control and click on this link to open ESET OnlineScan in a new window.
  • Click the esetonlinebtn.png button.
  • For alternate browsers only: (Microsoft Internet Explorer users can skip these steps)
  • Click on esetsmartinstaller_enu.exe to download the ESET Smart Installer. Save it to your desktop.
  • Double click on the esetsmartinstaller_enu.png icon on your desktop.
  • Check "YES, I accept the Terms of Use."
  • Click the Start button.
  • Accept any security warnings from your browser.
  • Under scan settings, check "Scan Archives" and "Remove found threats"
  • ESET will then download updates for itself, install itself, and begin scanning your computer. Please be patient as this can take some time.
  • When the scan completes, click List Threats
  • Click Export, and save the file to your desktop using a unique name, such as ESETScan. Include the contents of this report in your next reply.
  • Click the Back button.
  • Click the Finish button.
  • NOTE:Sometimes if ESET finds no infections it will not create a log.

“Every atom in your body came from a star that exploded and the atoms in your left hand probably came from a different star than your right hand. It really is the most poetic thing I know about physics...you are all stardust.”Lawrence M. Krauss
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