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Chrome has 'Browser Extension' malware


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3 replies to this topic

#1 ideaman924

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Posted 09 October 2016 - 04:21 AM

Hey guys,

 

So I'm suspecting either Magic Mouse Utilities or my Watch Dogs installation (I got this from a friend) carried along a virus to my computer.

 

Chrome shows something like this in a block of text (this is my website, and this is not normal behavior, I've already checked in other devices so don't ask me.):

 

dFv3xMF.png

 

 

I've already checked Chrome Extensions, and it's not there.

 

 

 

I've ran RKill, ran JRT, ran Malwarebytes. Malwarebytes is still running, but I think JRT deleted mntemp and some shady Chrome autorun from the registry. Adwcleaner reports my PC is clean.

 

 

I've attached Magic Mouse Utilities, hopefully someone can check if it contains malware by running it in a sandbox. (I should've done this) THE ZIP MAY BE A VIRUS! IF YOU ARE TESTING IT PLEASE BE AWARE IT MAY BE A VIRUS!!!

 

 

 

Chrome still shows these after the scans. Malwarebytes is still scanning, so I will edit to show the results when it is complete.

 

 

 

Anybody know what this is?

 

 

EDIT: I know a FRST scan would help you experts immensely, but as I've said Malwarebytes is still running and I'd rather wait until that finishes so it doesn't clash.

 

This behavior only happens in Chrome, and not in Edge. Weird.

 

 

EDIT2: This is the JRT scan log: http://pastebin.com/ZL3fxmRN

 

This is the RKill log: http://pastebin.com/xBrzfwGG


Edited by ideaman924, 09 October 2016 - 04:52 AM.


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#2 ideaman924

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Posted 09 October 2016 - 06:25 AM

So I found the issue, Watch Dogs was infected and the UPlay whatever was installing a CrackTool.Agent to the computer.

 

Apparently that's a keylogger, so I panicked and resetted my Lastpass stuff as well as everything else I had typed in that computer. I did this on an uninfected device, so I should be fine now.

 

I also reinstalled Windows on the affected PC. I don't know if the malware survived or not but it must be a super-malware because I wiped the entire hard drive and SSD and reinstalled Windows from scratch.

 

Can anybody recommend me a good malware scanner so I don't have this problem in the future? I'm thinking Avast, AVG or Malwarebytes. I'm leaning less and less towards Malwarebytes because it's slow, it keeps nagging about buying a 'premium version' and it didn't catch this CrackTool.Agent thingy fast enough.

 

And what is the difference between anti virus and anti malware or whatever? Do I need both?

 

 

And if somebody can assist me in checking if my computer is clean, it would be much appreciated.



#3 nasdaq

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Posted 11 October 2016 - 09:55 AM

Hello, Welcome to BleepingComputer.
I'm nasdaq and will be helping you.

If you can please print this topic it will make it easier for you to follow the instructions and complete all of the necessary steps in the order listed.
===

Lets start with these scans.

Please download AdwCleaner by Xplode onto your Desktop.
  • Close all open programs and internet browsers.
  • Double click on AdwCleaner.exe to run the tool.
  • Click the Scan button and wait for the process to complete.
  • Click the LogFile button and the report will open in Notepad.
IMPORTANT
  • If you click the Clean button all items listed in the report will be removed.
If you find some false positive items or programs that you wish to keep, Close the AdwCleaner windows.
  • Close all open programs and internet browsers.
  • Double click on AdwCleaner.exe to run the tool.
  • Click the Scan button and wait for the process to complete.
  • Check off the element(s) you wish to keep.
  • Click on the Clean button follow the prompts.
  • A log file will automatically open after the scan has finished.
  • Please post the content of that log file with your next answer.
  • You can find the log file at C:\AdwCleanerCx.txt (x is a number).
===

Download the version of this tool for your operating system.
Farbar Recovery Scan Tool (64 bit)
Farbar Recovery Scan Tool (32 bit)
and save it to a folder on your computer's Desktop.
Double-click to run it. When the tool opens click Yes to disclaimer.
Press Scan button.
It will make a log (FRST.txt) in the same directory the tool is run. Please copy and paste it to your reply.
The first time the tool is run, it makes also another log (Addition.txt). Please attach it to your reply.

How to attach a file to your reply:
In the Reply section in the bottom of the topic Click the "more reply Options" button.
attachlogs.png

Attach the file.
Select the "Choose a File" navigate to the location of the File.
Click the file you wish to Attach.

Click the Add reply button.
===

Please post the logs.

Let me know what problems persists.

#4 nasdaq

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Posted 18 October 2016 - 09:18 AM

Due to the lack of feedback, this topic is now closed.

In the event you still have problems, please send me or any Moderator a Private Message and ask them to reopen this topic within the next 5 days.

Please include a link to your topic in the Private Message. Thank you.




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