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Possible malware corrupting 'explorer.exe' [Closed]

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First of all, sorry for my poor english :( I'm brazilian
Hey guys, just created the account to solve this possible problem... Today i've downloaded Assassins Creed III, and in the folder had a file which i tried to open and then showed up a message saying like the "Disk A: isn't availabe, could not access explorer.exe". After that, i've restarted the computer and ANYTHING was opening, any shortcut, nothing.

Kaspersky then detected a malware in "C:\Users\<username>\Drivers\explorer.exe". After that, kaspersky deleted all the threats and a full scan on reboot. Seems like the threat is gone, but the internet connection is clearly lagged. Something like 1000ms on Speedtest.

And too, one time the Origin disconnected me, warning me that "this account is in use by another computer". Crazy, but at least suspicious.
The name on Kaspersky is: UDS:DangerousObject.Multi.Generic

Thanks since now!

Here is the log from OTL:


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Hi rffslow, welcome to Geeks to Go. My name is blmadara and I will be helping you with your problems. Please be patient with me as I am still in training and my responses will have to be reviewed by an expert before I can post them.

I'd like to go over some things that will help both of us.

  • Read each of my posts entirely before performing my instructions. It would be helpful if you printed my instructions so you can read and check the steps as you perform them.
  • Follow the steps exactly in the order posted.
  • Please don't be afraid to ask questions. If you don't understand something, let me know before continuing.
  • If you can't perform a certain step, or you're unsure about what to do, please stop and let me know.
  • It is very important that you stay with me until the end so we make sure that we have removed all the bad stuff.
  • Please don't attach any logs to your posts unless I request it. It is easier for me if you copy and paste the logs into your reply.
  • Finally, never fix anything using other programs on your own. This can hinder my ability to see what is wrong with your computer and make it harder to clean your computer.

Step One: Run OTL Custom Scan

Download OTL to your Desktop
  • Double click on the icon to run it. Make sure all other windows are closed and to let it run uninterrupted.
  • Under the Custom Scans/Fixes box at the bottom, paste in the following

    >C:\commands.txt echo list vol /raw /hide /c
    >C:\DiskReport.txt diskpart /s C:\commands.txt /raw /hide /c
    type c:\diskreport.txt /c
    erase c:\commands.txt /hide /c
    erase c:\diskreport.txt /hide /c
  • Please select the Scan All Users checkbox.
  • Under Extra Registry heading, select Use Safelist.
  • Select LOP Check and Purity Check.
  • Then click the Run Scan button at the top
  • Let the program run unhindered, until it is done
  • Post the log it produces in your next reply.

Step Two: Run aswMBR

Download aswMBR.exe to your desktop.

  • Double click aswMBR.exe to run it.
  • When asked if you want to download Avast's virus definitions please select, No.
  • Click Scan to start the scan.
    Posted Image
  • When the scan ends click Save Log and save it to your desktop.
    Posted Image
  • Post the log in your next reply.

Step Three: Computer Symptoms

Please let me know what problems you are having with your computer.

What I need in your next post:
1. The reports from the OTL scan, OTL.txt and Extras.txt.
2. The log produced by aswMBR.exe.
3. Let me know what problems you are having with your computer.
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