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Bitcoin Mining Virus On My Computer?


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3 replies to this topic

#1 kev0530

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Posted 19 April 2015 - 08:59 AM

Hello everyone

 

My name is Kevyn and I'm new to this forum and have next to no advance knowledge of computers other than using day to day functions.

Recently I realised that my computer has been having lag spikes and so I checked my windows resource monitor and found out that my CPU usage is 100%.

The majority of the usage(~75%) came from a process called svchost.exe.

After googling a little, I downloaded Process Explorer and found out that it has got something to do with cryptmonero.

I have found other bleepingcomputer users with such an issue and their own fixes.

I've tried them all (blocking it in firewall etc) to no avail.

 

Here are some threads with users having similar problems:

http://www.bleepingcomputer.com/forums/t/571980/trojanagentmnr-bitcoin-miner-running-fake-svchostexe-and-lsassexe/

http://www.bleepingcomputer.com/forums/t/567145/svchostexe-in-temp/

 

This is the exact command line of the svchost.exe:

"C:\Windows\Temp\svchost.exe" -o stratum+tcp://pool.cryptmonero.com:1001 -u 43s6t7KoCXtaBZ48bL5sPDhTEs6FG9FA8RCGkqC5xzkCATVAYzSmykD67mSXkejwnSQ552bjF5DsCCunopJPwAUZEkphFBZ -p x

 

Any help would be appreciated. Thanks in advance and have a nice day :)


Edited by hamluis, 19 April 2015 - 09:09 AM.
Moved from Win 7 to Am I Infected - Hamluis.


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#2 kev0530

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Posted 19 April 2015 - 09:05 AM

This post might be in the wrong Forum so I'll be reposting it in the Am I Infected? Forum.

My apologies to the moderators for posting in the wrong forum please do help me remove this topic.

Thank you :)



#3 kev0530

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Posted 19 April 2015 - 09:08 AM

Hello everyone

 

My name is Kevyn and I'm new to this forum and have next to no advance knowledge of computers other than using day to day functions.

Recently I realised that my computer has been having lag spikes and so I checked my windows resource monitor and found out that my CPU usage is 100%.

The majority of the usage(~75%) came from a process called svchost.exe.

After googling a little, I downloaded Process Explorer and found out that it has got something to do with cryptmonero.

I have found other bleepingcomputer users with such an issue and their own fixes.

I've tried them all (blocking it in firewall etc) to no avail.

 

Here are some threads with users having similar problems:

http://www.bleepingcomputer.com/forums/t/571980/trojanagentmnr-bitcoin-miner-running-fake-svchostexe-and-lsassexe/

http://www.bleepingcomputer.com/forums/t/567145/svchostexe-in-temp/

 

This is the exact command line of the svchost.exe:

"C:\Windows\Temp\svchost.exe" -o stratum+tcp://pool.cryptmonero.com:1001 -u 43s6t7KoCXtaBZ48bL5sPDhTEs6FG9FA8RCGkqC5xzkCATVAYzSmykD67mSXkejwnSQ552bjF5DsCCunopJPwAUZEkphFBZ -p x

 

Any help would be appreciated. Thanks in advance and have a nice day  :)

 

ps: My OS: Windows 7 Ultimate 64bit (Using an Intel i5-3470 and a Nvidia gtx 970 if it helps)



#4 boopme

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Posted 20 April 2015 - 03:28 PM

Hello kev, let's do these and see how it is.

3Al62Pm.pngMiniToolBox
  • Please download MiniToolBox, save it to your desktop and run it.
  • Checkmark the following checkboxes:
    • Flush DNS
    • Report IE Proxy Settings
    • Reset IE Proxy Settings
    • Report FF Proxy Settings
    • Reset FF Proxy Settings
    • List content of Hosts
    • List IP configuration
    • List Winsock Entries
    • List last 10 Event Viewer log
    • List Installed Programs
    • List Users, Partitions and Memory size.
  • Click Go and post the result (Result.txt). A copy of Result.txt will be saved in the same directory the tool is run. Note: When using "Reset FF Proxy Settings" option Firefox should be closed.
zcMPezJ.pngAdwCleaner
  • Please download AdwCleaner by Xplode and save to your Desktop.
  • Double click on AdwCleaner.exe to run the tool. Vista/Windows 7/8 users right-click and select Run As Administrator
  • Click on the Scan button.
  • AdwCleaner will begin...be patient as the scan may take some time to complete.
  • After the scan has finished, click on the Report button...a logfile (AdwCleaner[R0].txt) will open in Notepad for review.
  • The contents of the log file may be confusing. Unless you see a program name that you know should not be removed, don't worry about it. If you see an entry you want to keep, let me know about it.
  • Copy and paste the contents of that logfile in your next reply.
  • A copy of all logfiles are saved in the C:\AdwCleaner folder which was created when running the tool.
lv0mVRW.pngJunkware Removal Tool
  • Please download Junkware Removal Tool to your desktop.
  • Shut down your protection software now to avoid potential conflicts.
  • Run the tool by double-clicking it. If you are using Windows Vista, 7, or 8; instead of double-clicking, right-mouse click JRT.exe and select "Run as Administrator".
  • The tool will open and start scanning your system.
  • Please be patient as this can take a while to complete depending on your system's specifications.
  • On completion, a log (JRT.txt) is saved to your desktop and will automatically open.
  • Post the contents of JRT.txt into your next message.
cvMlKv6.pngESET Online Scanner
  • Hold down Control and click on this link to open ESET Online Scanner in a new window.
  • Click the esetonlinebtn.png button.
  • For alternate browsers only: (Microsoft Internet Explorer users can skip these steps)
  • Click on esetsmartinstaller_enu.exe to download the ESET Smart Installer. Save it to your desktop.
  • Double click on the esetsmartinstaller_enu.png icon on your desktop.
  • Check "YES, I accept the Terms of Use."
  • Click the Start button.
  • Accept any security warnings from your browser.
  • Under scan settings, check "Scan Archives" and "Remove found threats"
  • Click Advanced settings and select the following:
    • Scan potentially unwanted applications
    • Scan for potentially unsafe applications
    • Enable Anti-Stealth technology
  • ESET will then download updates for itself, install itself, and begin scanning your computer. Please be patient as this can take some time.
  • When the scan completes, click List Threats
  • Click Export, and save the file to your desktop using a unique name, such as ESETScan. Include the contents of this report in your next reply.
  • Click the Back button.
  • Click the Finish button.
  • NOTE: Sometimes if ESET finds no infections it will not create a log.
>>>

51a46ae42d560-malwarebytes_anti_malware.Malwarebytes Anti-Malware
  • Download MalwareBytes Anti-Malware to your desktop.
  • Double-click mbam-setup-2.0.exe to start the installation of Malwarebytes Anti-Malware.
  • Follow the instructions on your screen to complete the installation. You can find the complete installation procedure here.
  • Click the Scan Now button, a threat scan will start automatically.
  • MalwareBytes Anti-Malware will now check for the latest updates. Click Update Now if new updates are available.
  • Your computer is now being scanned, please do not use your computer during the scan.
    • If no threats were found, click View detailed log.
      • Click Export and save the log as a .txt file on your Desktop or another location.
    • If the scan detected any threats, click Apply Actions.
      • To complete any actions taken you will be prompted to restart your computer...click on Yes.
      • After reboot, start Malwarebytes Anti-Malware again and click the History Tab at the top and select Application Logs.
      • Check the box next to Scan Log. Choose the most current scan and click View.
      • Click Export and save the log as a .txt file on your Desktop or another location.
  • Providing the MalwareBytes' Anti-Malware log file
    • Attach the log file you just saved to your next reply for further review.

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