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Windows 7: Windows Security Center can't be started because of virus/malware


29 Jan 2013   #41

Windows 7 Ultimate, 32bit
 
 

Ok, this is weird...I did save the file in "Notepad" and dragged it over the way you said I should, but then I got this message saying the program/file was changed and now I can't find the ComboFix! It said I might have gotten a virus out of it as well I tried to download ComboFix again, but a window pops up and says that it contains something bad that can damage my computer and I'm afraid to download it if you get my point. What should I do?

My System SpecsSystem Spec
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29 Jan 2013   #42

W7 Pro SP1 64bit
 
 

perhaps I missed it - but have you had the chance to try WDO from post #2?
My System SpecsSystem Spec
29 Jan 2013   #43

Windows 7 Ultimate, 32bit
 
 

UsernameIssues, I'm afraid I haven't as I don't have access to a "clean" computer.
My System SpecsSystem Spec
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29 Jan 2013   #44

W7 Pro SP1 64bit
 
 

If I could not borrow a clean computer, I would make one using virtualbox.
My System SpecsSystem Spec
29 Jan 2013   #45

Windows 7 Ultimate, 32bit
 
 

How do you do that, and how does it work?
My System SpecsSystem Spec
29 Jan 2013   #46

W7 Pro SP1 64bit
 
 

If you have a Windows 7 DVD, you can use that to make a clean VM using VirtualBox. If you do not have a Windows 7 DVD, you can get one from here: Dell Community

download/install VirtualBox
https://www.virtualbox.org/wiki/Downloads
and then just follow the instructions.
If things are not clear - turn to YouTube...
...or adapt this info to put Windows 7 on Windows 7.
Linux - Install on Windows 7 Virtual Machine using VirtualBox
My System SpecsSystem Spec
29 Jan 2013   #47

Windows 7 Home Premium
 
 

Crumble,

You do not need problems with ComboFix. We need to look at the system before Windows starts,
and to work with the program described below, you need to find someone who has a computer you can use for just a few minutes. That would be the easiest way to go.

Also, you may want to print these instructions so you can have access to follow them.

Please plug a flash drive into a clean computer.
Go to Start > Computer
Double-click Computer, and select the flash drive.
Right-click and select: (Quick) Format
Press Start on the Format prompt.
Remove when done.

Now, download Farbar Recovery Scan Tool (32-bit):
http://www.bleepingcomputer.com/down...ery-scan-tool/

Save the program to the >> USB flash drive.

Next, plug the flash drive into the infected computer.




>>>Restart the computer.
  • As soon as the BIOS is loaded begin tapping the F8 key until the Advanced Boot Options menu appears.
  • Use the arrow keys to select the Repair your computer menu item.
  • Select your language settings, and click: Next
  • Select your User account and click: OK (If you did not set a password, leave blank.)
On the System Recovery Options menu you get the following options:
  • Startup Repair
  • System Restore
  • Windows Complete PC Restore
  • Windows Memory Diagnostic Tool
  • Scan your computer's memory for errors.
  • Command Prompt
Select Command Prompt
  • In the Command window, at the bliking cursor type notepad and press: Enter
  • In Notepad, under the File menu select: Open
  • Double-click Computer, find the flash drive letter, remember what letter it is, click on it, and press: Open
  • Close out of Notepad.
  • Click the Command window
  • Type g:\frst.exe, and press: Enter
    Note: Replace the drive letter g with the drive letter of your flash drive, if necessary!
  • The tool starts and prepares to run. Follow the prompts.
  • Click Yes to the disclaimer.
  • Press the Scan button.
  • The program saves the FRST.txt, on the flash drive.
  • Click the Command prompt window, type exit, and press: Enter
  • Back at the System Recovery Options, press: ShutDown, or Restart
Please provide the FRST.txt (located in the flash drive) in your reply.
My System SpecsSystem Spec
29 Jan 2013   #48

Windows 7 Home Premium
 
 

It is your choice as to which program you want to use at this point. Both programs scan the computer for malicious entries.

FRST allows us to analyze the system, identify the malware before Windows starts, and for us to decide what to remove and what other actions need attention.

MDO removes the malware found, using its malware definitions. However, malware definitions vary amongst programs.

More than likely, we will end up using both programs.



@UsernameIssues,

Thanks for all the useful links.
My System SpecsSystem Spec
29 Jan 2013   #49

Windows 7 Home Premium
 
 

Crumble,


Important!

Today, a notice came out that an executable in ComboFix is infected.

Quoting the notice:

Quote:


The steps we suggest you take to make sure your computer is not infected are:
At this point, before you pursue any instructions, suggest you download and run the Free version of ESET Online Scanner.
My System SpecsSystem Spec
29 Jan 2013   #50

Windows 7 Home Premium
 
 

You need to use Internet Explorer for this scan.

Please right click the IE shortcut and select: Run as Administrator

Click on: Run ESET Online Scanner
Click: Start

When asked, allow the add/on to be installed
Click: Start again
Click on: Advanced Settings


Make sure these options are checked:
  • Scan for potentially unwanted applications
  • Scan for potentially unsafe applications
  • Enable Anti-Stealth Technology
Click: Scan

When the scan is complete

If threats are found:
  • Click on: List of threats found
  • Click on: Export to text file
  • Save to the Desktop and name it ESET Scan Results
  • Click on: Back
  • Place a check on: Uninstall application on close
  • Click on: Finish, and close the program.
Please provide the ESET report in your reply.
My System SpecsSystem Spec
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 Windows Security Center can't be started because of virus/malware




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