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Cryptowall 2 and COM Surrogate storms... What to do?


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#1 webfoot1

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Posted 04 November 2014 - 01:55 PM

My PC was attacked on 10/17/14 by Cryptowall 2.  All files were encrypted.  I ran Power Clean several times and finally got rid of the Ransom notes upon bootup.  I frequently get COM Surrogate storms that max out my CPU.  I have some older backups (external hard drive) of important files, but I haven't connected it and won't until I am sure Crypto is gone.   HELP!!Attached File  dds.txt   27.46KB   0 downloadsAttached File  attach.txt   6.86KB   0 downloads



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#2 HelpBot

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Posted 09 November 2014 - 02:00 PM

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#3 webfoot1

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Posted 09 November 2014 - 04:00 PM

Yes, I still need help.  COM Surrogate overwhelming the CPU is still going on (I guess that is a separate issue from the CryptoWall attack).  I have rerun the dds scan and am attaching both files. 

Attached Files



#4 Elise

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Posted 09 November 2014 - 04:24 PM

Hi webfoot1, welcome to BleepingComputer. :)
 
If you still have cryptowall encrypted files, please refer to this guide, unfortunately there is very little we can do about it except for the suggestions made.

As for the other problem, please run the following:

We need to run a scan with Combofix:

  • Please go to the download page for ComboFix by sUBs.
  • Click the Download Now button pictured below and save the file to your desktop:

    download.png
  • Disable any anti-virus and/or firewall software you have installed.
    instructions can be found here if needed
  • Close all open windows including your web browser
    as mentioned in the first post, you may want to print out all instructions before starting
  • Double-click on the ComboFix icon on your desktop. cf-icon.jpg
  • Read the Disclaimer and click I Agree if you want to run the software, then you should see a window like the one below:

    cf-preparing.jpg
  • DO NOT use your computer while ComboFix is running. There are a lot of things going on behind the scenes and a single mouse click can cause the program to stall.

    However, if you see the prompt below, please click Yes to download the Microsoft Windows Recovery Console.

    recovery-console-prompt.jpg

    If an Internet connection is not available or you choose not to install the recovery console, ComboFix will run in Reduced Functionality mode
  • Allow ComboFix to reboot the computer if necessary, it will run again after you log back in.
  • When complete, a log file will be displayed, please copy and paste the contents of this file into your next post.

    cf-log.jpg

More information about downloading and using ComboFix can be found here if needed.


regards, Elise


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#5 webfoot1

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Posted 09 November 2014 - 05:16 PM

Elise,

I followed the instruction to download Combofix (turned off Norton 360) but I get a message saying Combofix has detected that the antispyware is still active...I checked Norton again and it shows antivirus auto protection to be off.  What should I do?



#6 Elise

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Posted 10 November 2014 - 12:58 AM

in that case you can ignore the warning and continue.


regards, Elise


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#7 webfoot1

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Posted 10 November 2014 - 12:42 PM

Elise,

The Combofix ran and restarted my computer.  I don't have the COM Surrogate storms (at least, not yet).  How do I verify that I am clean?  Are there things I should do to prevent further attacks (I have Norton 360, but it was running when I got infected)?

 

Thanks,

Webfoot1



#8 Elise

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Posted 10 November 2014 - 01:18 PM

Please post me the combofix log (c:\combofix.txt), that way I can see what was removed and what still needs further attention. :)


regards, Elise


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#9 webfoot1

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Posted 10 November 2014 - 04:23 PM

Elise,

I searched for combofix.txt and go no results.  Where would it be?



#10 Elise

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Posted 11 November 2014 - 02:55 AM

Usually it is in c:\. If it isn't there, look for the qoobox folder in c:\ and see if that contains a log.


regards, Elise


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#11 webfoot1

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Posted 11 November 2014 - 12:20 PM

Elise,

I looked in C:\....not there.  I looked in C:\qoobox and found lots of folders and files but no combofix.txt.  ???



#12 Elise

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Posted 11 November 2014 - 12:21 PM

Any .txt files in that folder? Or maybe c:\log.txt?


regards, Elise


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#13 webfoot1

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Posted 11 November 2014 - 12:30 PM

There are no text files in qoobox and only one in c:\, but it is dated 11/25/2012 and is 1kb (2 lines of text).



#14 Elise

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Posted 11 November 2014 - 01:16 PM

In that case, lets just run another tool to make sure the infection is gone.
  • Please download Farbar Recovery Scan Tool and save it to the desktop.
  • Double click on FRST to run it and accept the disclaimer.
  • Click the Scan button and wait for the scan to finish.
  • Post the text file (frst.txt) in your next reply.

regards, Elise


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#15 webfoot1

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Posted 11 November 2014 - 01:43 PM

Attached File  FRST.txt   52.82KB   2 downloadsElise,
I have run the scan. Here is the file.
Thanks,




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