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System32/svchost.exe Inbound Connection Blocked


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Hi there, not sure what to do about this. Got a popup saying an inbound connection to an IP address was blocked. Ran a scan including "check for rootkits" and it turned up nothing, but as it's a System file I'm a little concerned.

 

Google search turned up more info than I can possibly handle myself.

 

Not sure if it matters, but it popped up while connected to a public wifi network.

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Hello and welcome to Malwarebytes,

Please be aware the following P2P/Piracy Warning is a standard opening reply made here at Malwarebytes, we make no accusations but do make you aware of Forum Protocol....

If you're using Peer 2 Peer software such as uTorrent, BitTorrent or similar you must either fully uninstall them or completely disable them from running while being assisted here.Failure to remove or disable such software will result in your topic being closed and no further assistance being provided.If you have illegal/cracked software, cracks, keygens etc. on the system, please remove or uninstall them now and read the policy on Piracy.


Anyone other than the original starter of this thread please DO NOT follow the instructions and advice posted as replies here, my help and advice is NOT related to your system and will probably cause more harm than good...
 

Next,

 

Please open Malwarebytes Anti-Malware.

  • On the Settings tab > Detection and Protection sub tab, Detection Options, tick the box "Scan for rootkits".
  • Under Non-Malware Protection sub tab Change PUP and PUM entries to Treat detections as Malware
  • Click on the Scan tab, then click on Scan Now >> . If an update is available, click the Update Now button.
  • A Threat Scan will begin.
  • When the scan is complete Apply Actions to any found entries.
  • Wait for the prompt to restart the computer to appear (if applicable), then click on Yes.
  • After the restart once you are back at your desktop, open MBAM once more.


To get the log from Malwarebytes do the following:

  • Click on the History tab > Application Logs.
  • Double click on the scan log which shows the Date and time of the scan just performed.
  • Click Export > From export you have three options:

      Copy to Clipboard - if seleted right click to your reply and select "Paste" log will be pasted to your reply
      Text file (*.txt)        - if selected you will have to name the file and save to a place of choice, recommend "Desktop" then attach to reply
      XML file (*.xml)      - if selected you will have to name the file and save to a place of choice, recommend "Desktop" then attach to reply
  • Please use "Copy to Clipboard, then Right click to your reply > select "Paste" that will copy the log to your reply…


 

Next,

 

Download AdwCleaner by Xplode onto your Desktop.

  • Double click on Adwcleaner.exe to run the tool.
  • Click on the Scan in the Actions box
  • Please wait fot the scan to finish..
  • When "Waiting for action.Please uncheck elements you want to keep" shows in top line..
  • Click on the Cleaning box.
  • Next click OK on the "Closing Programs" pop up box.
  • Click OK on the Information box & again OK to allow the necessary reboot
  • After restart the AdwCleaner(C*)-Notepad log will appear, please copy/paste it in your next reply. Where * is the number relative to list of scans completed...

 
Next,
 
Download Farbar Recovery Scan Tool and save it to your desktop.

Note: You need to run the version compatible with your system (32 bit or 64 bit). If you are not sure which version applies to your system download both of them and try to run them. Only one of them will run on your system, that will be the right version.

If your security alerts to FRST either, accept the alert or turn your security off to allow FRST to run. It is not malicious or infected in any way...

  • Double-click to run it. When the tool opens click Yes to disclaimer.
    (Windows 8/10 users will be prompted about Windows SmartScreen protection - click More information and Run.)
  • Make sure Addition.txt is checkmarked under "Optional scans"
  • Press Scan button to run the tool....
  • It will make a log (FRST.txt) in the same directory the tool is run. Please copy and paste it to your reply.
  • The tool will also make a log named (Addition.txt)  Please attach those logs to your reply.


 

Let me see those logs in your reply. Also have you use the public wifi mention previously, do you have to use it again...

 

Thank you,

 

Kevin

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Unfortunately I can't really get away from using that wifi network as it's my University's network.

 

I've redacted personal information from the logs. The post was too long with them cut/pasted in here, so I've just attached them all as .txt files.

 

Malwarebytes: 2016-03-10-1609_REDACTED.txt

AdwCleaner: AdwCleanerC1_REDACTED.txt

FRST: FRST_REDACTED.txt

Addition.txt: Addition_REDACTED.txt

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The FRST logs are clean, no malware or infection. There was a possible browser hijacker (Open Candy) but malwarebytes has dealt with that... Bit of clean up with FRST, then one final scan....

 

Download attached fixlist.txt file (end of reply) and save it to the Desktop, or the folder you saved FRST into.
NOTE. It's important that both FRST and fixlist.txt are in the same location or the fix will not work.

Run FRST and press the Fix button just once and wait.
The tool will make a log on the Desktop (Fixlog.txt) or the folder it was ran from. Please post it to your reply.
 

Next,

 

Download and Save McAfee Stinger to your Desktop from here:

http://downloadcenter.mcafee.com/products/mcafee-avert/Stinger/stinger32.exe

Read the Terms and Conditions, the download tab is at the bottom of the page.
Close all browsers before starting. Disable your antivirus program and anti-malware, if any.
To Temporarily Disable Your Anti-virus, Firewall And Anti-malware Programs read here:

http://www.bleepingcomputer.com/forums/topic114351.html

On Windows 7, 8, 10 & Vista systems, Right Click on Stinger stinger.jpg and select Run as Administrator.
On XP, double-click to start it.
Click on “I Accept” tab at McAfee end user licence agreement.

Stinger%20a.png

In the new Window select “Advanced” then “Settings”

Stinger%20b.png

The settings window will open, make sure the settings are exactly as shown in the following image, then select “Save” <<------Very Important

Stinger%20c.png

In the new window Click the “Customize my Scan” under the “Scan” button.

Stinger%20f.png

In the new Window select C:\ drive and any other listed Hard Drive, then select “Scan”

Stinger%20g.png

When the scan completes select the “View log” to do that, select “Notepad” if offered in list of choices.

If the log opens in your browser, copy and save to  a file....

I will need a copy of that log.
 

Post those logs, also let me know if any remaining issues or concerns....

 

Thank you,

 

Kevin...

 

 

Fixlist.txt

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  • 3 weeks later...
  • Root Admin

Due to the lack of feedback this topic is closed to prevent others from posting here. 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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