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msconfig or regedit closes and USB keeps on generating drive.BAT

jetrc
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jetrc

jetrc

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Hello,

I recently plugged in a possibly infected pendrive into my computer and now my pendrive and other pendrives I plug in seem to have been infected with a so called Drive.BAT file that hides the files inside the pendrive into a different folder (although I can still open those files if I just show hidden items). I've done a Malwarebytes scan already on the said pendrive but it doesn't detect any threats. I've also done a scan on my computer and it has deleted some threats, but still the drive.BAT issue persists. Curiously, everytime I try to open msconfig or regedit, the window just opens and closes immediately. 

I would really appreciate your help in this. Thanks

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AdvancedSetup

AdvancedSetup

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Hello @jetrc

Let's scan your local computer first and see what we can find. Please do not use or install the USB stick until we're ready to check on it.

 

Please run the following steps and post back the logs as an attachment when ready.

STEP 01

  • If you're already running Malwarebytes then open Malwarebytes and check for updates. Then click on the Scan tab and select Threat Scan and click on Start Scan button.
  • If you don't have Malwarebytes installed yet please download it from here and install it.
  • Once installed then open Malwarebytes and select Scan and let it run.
  • Once the scan is completed click on the View Report button, then the Export button and save the file as a Text file to your desktop or other location you can find and attach that log on your next reply.
  • If Malwarebytes won't run then please skip to the next step and let me know in your next reply.

STEP 02

Please download AdwCleaner by Malwarebytes and save the file to your Desktop.

  • Right-click on the program and select RunAsAdmin.jpg Run as Administrator to start the tool.
  • Accept the Terms of use.
  • Wait until the database is updated.
  • Click Scan Now.
  • When finished, please click Clean & Repair.
  • Your PC should reboot now if any items were found.
  • After reboot, a log file will be opened. Attach or Copy its content into your next reply.

 

RESTART THE COMPUTER Before running Step 3

STEP 03
Please download the Farbar Recovery Scan Tool and save it to your desktop.

Note: You need to run the version compatible with your system. You can check here if you're not sure if your computer is 32-bit or 64-bit

  • Double-click to run it. When the tool opens, click Yes to disclaimer.
  • Press the Scan button.
  • It will make a log (FRST.txt) in the same directory the tool is run. Please attach it to your reply.
  • The first time the tool is run, it also makes another log (Addition.txt). If you've, run the tool before you need to place a checkmark here.
  • Please attach the Additions.txt log to your reply as well.

 

Thanks

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AdvancedSetup

AdvancedSetup

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This is sounding more like a possible file infector and not a basic issue as originally suspected.

 

Let's see if Kaspersky antivirus can run or not. If not then we'll look at doing some renaming or using Safe Mode with our anti-rookit tool.

 

Please download and run the following Kaspersky antivirus scanner to remove any found threats

Kaspersky Virus Removal Tool

Let me know if it finds anything or not

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AdvancedSetup

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Okay, that sounds better.

I don't see any System Restore Points in the logs. Please create a new System Restore Point

 

Please uninstall Java. You have an old compromised version. Go to Control Panel, Programs, Uninstall

Java(TM) 6 Update 26

 

I don't see an obvious infection but we'll go ahead and do some general clean up and then do another scan. Please disable Avast antivirus temporarily and run the following fix.

 

Please download the attached fixlist.txt file and save it to the Desktop or location where you ran FRST from.
NOTE. It's important that both files, FRST or FRST64, and fixlist.txt are in the same location or the fix will not work.

NOTICE: This script was written specifically for this user, for use on this particular machine. Running this on another machine may cause damage to your operating system that cannot be undone.

Run FRST or FRST64 and press the Fix button just once and wait.
If the tool needs a restart please make sure you let the system restart normally and let the tool complete its run after restart.
The tool will make a log on the Desktop (Fixlog.txt) or wherever you ran FRST from. Please attach or post it to your next reply.

Note: If the tool warned you about an outdated version please download and run the updated version.

NOTE-1:  This fix will run a scan to check that all Microsoft operating system files are valid and not corrupt and attempt to correct any invalid files. It will also run a disk check on the restart to ensure disk integrity. Depending on the speed of your computer this fix may take 30 minutes or more.

NOTE-2: As part of this fix all temporary files will be removed. If you have any open web pages that have not been bookmarked please make sure you bookmark them now as all open applications will be automatically closed. Also, make sure you know the passwords for all websites as cookies will also be removed. The use of an external password manager is highly recommended instead of using your browser to store passwords.

The following directories are emptied:

  • Windows Temp
  • Users Temp folders
  • Edge, IE, FF, Chrome and Opera caches, HTML5 storages, Cookies and History
  • Recently opened files cache
  • Flash Player cache
  • Java cache
  • Steam HTML cache
  • Explorer thumbnail and icon cache
  • BITS transfer queue (qmgr*.dat files)
  • Recycle Bin

Important: items are permanently deleted. They are not moved to quarantine. If you have any questions or concerns please ask before running this fix.

The system will be rebooted after the fix has run.

fixlist.txt
 

Thanks

 

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jetrc

jetrc

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Hi, I already the FRST fix and it’s already generated a fixlog.txt file. However, I can’t seem to connect to the internet anymore even when our Wi Fi seems to be working on other devices. Do i need to reconfigure or reinstall something?

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AdvancedSetup

AdvancedSetup

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So how is the computer working now?

Let's go ahead and get a 3rd party antivirus scan to double-check they don't find anything either.

 

Please download and run the following Kaspersky antivirus scanner to remove any found threats

Kaspersky Virus Removal Tool

Let me know if it finds anything or not

I'll check back on you again sometime tomorrow

Thanks

 

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AdvancedSetup

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Due to the lack of feedback, this topic is closed to prevent others from posting here.

If you need this topic reopened, please send a Private Message to any one of the moderating team members. Please include a link to this topic with your request.

This applies only to the originator of this topic. Other members who need assistance please start your own topic in a new thread.

Tips to help protect from infection

Thanks

 

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