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Slow computers and Internet


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#1 MomsPCSupport

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Posted 28 January 2018 - 02:12 PM

Multiple PCs are affected.  PC1 started behaving strangely, such as the screen went dark for a minute or longer, or all the icons on the desktop would disappear - later to come back, and the PC runs slower and slower, as well as slowing internet connections.
 
In shutting down once, an error of "code execution cannot proceed because MFPlat.DLL was not found." appeared.
 
I installed the Media Feature Pack from Microsoft to try and fix that. I guess I did, because that message hasn't been seen again. 
 
Ran cCleaner, Malwarebytes, and Zone Alarm scans w/ nothing found.
 
From a separate computer, I tried to copy a Shadow Protect image backup set.  That failed, prossibly because I was using a wireless connection. I went to a workstation that had been off for a while (w/ a wired connection) and used it to copy the image set to an external drive. 
 
I tried an image restore on the C: drive.  It didn't get rid of whatever's happening.
 
On PC2, the same thing (dark screen, disappearing desktop icons and a slow down to the point of paralysis) began happening.  I saw a restore point from 1/9/18 earlier, but its no longer there. I copied It's image save set to the external drive. I restored the C: drive, but when I tried to boot the PC, I got the message that there was no boot record. 
 
I copied the save set to a different external drive and restored the C: drive.  WHen I try to boot the PC I get a message that there's no OS on the hard drive. If I have to I'll go back a month and get the Fall Creators update all over again<sigh>.
 
Rather than wasting time rebuilding the PCs and going through the Fall Creators Update only to have a re-occurrence, I tried downloading the latest ISO file from PC1.  It stalled at 89%.
 
Affected PCs are an Inspiron 14z (PC1) and a Optiplex 7010(PC2).  
 
The 7010 was running version 1709 build 16299.125.  I applied WU170589 manually around Christmas time.
 
The 14z is running v. 1709 build 15063.850.
 
The rest is specific to PC1
 
I ran RKill (found WD_HEUR), TDSS Killer, MBAM, and AdwCleaner. Nothing found. I'll attach the logs, if I can find a way to insert them. I'm having a terrible time running Eset because it's taking forever to download the definitions database (download speed at <1 megabit and we have a 100 megabit connection).
 
 
I have a Win10 DVD from 7/8/16.
 
The ShadowProtect save sets live on a QNAP TS251 server.
 
We run a Linksys WRT1900ACS v2 router. I have a "virgin" Linksys WRT 32000ACM router that could be swapped w/ the old router. I'm writing this on a Chromebook, which doesn't seem to be affected.


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#2 buddy215

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Posted 28 January 2018 - 03:57 PM

I suggest you isolate one computer that you think is infected and connect it directly to the router.

 

Once that is done follow the directions below to start a new topic in the malware removal forum.

 

Please follow the instructions in the Malware Removal and Log Section Preparation Guide starting at Step 6.

  • If you cannot complete a step, then skip it and continue with the next.
  • In Step 6 there are instructions for downloading and running FRST which will create two logs.

When you have done that, post your logs in the Virus, Trojan, Spyware, and Malware Removal Logs forum, NOT here, for assistance by the Malware Response Team.

Start a new topic, give it a relevant title and post your log(s) along with a brief description of your problem, a summary of any anti-malware tools you have used and a summary of any steps that you have performed on your own. If you cannot produce any of the required logs...start the new topic anyway. Explain that you followed the Prep. Guide, were unable to create the logs, and describe what happened when you tried to create them. A member of the Malware Removal Team will walk you through, step by step, on how to clean your computer.

After doing this, please reply back in this thread with a link to the new topic so we can close this one.

 

DO NOT bump your new topic. Wait for a response from one of the Team Members.


“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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