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w32/blaster.worm scareware


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#1 tjclifford

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Posted 31 December 2010 - 09:10 PM

I got the scareware fake w32/blaster.worm today, and Kaspersky cannot detect or remove it.
I tried to use the advice at http://www.bleepingcomputer.com/virus-removal/remove-antivirus-vista-2010,
and downloaded FixExe.reg, and mbam-setup.exe, but I cannot run FixExe.reg because the scareware
will not allow regedit to run.
One post I saw said they were able to leave the pc overnight, and then they were able
to run programs, as if the scareware just gave up.

Has anyone come across a way to get rid of this thing ?

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#2 boopme

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Posted 31 December 2010 - 09:28 PM

Hello, not certain why you chose that tool but let's do this.
Are you running XP or another?

If 2000/XP then run Windows Blaster Worm Removal Tool

Next run MBAM (MalwareBytes):

Please download Malwarebytes Anti-Malware and save it to your desktop.
Download Link 1
Download Link 2MBAM may "make changes to your registry" as part of its disinfection routine. If using other security programs that detect registry changes (ie Spybot's Teatimer), they may interfere or alert you. Temporarily disable such programs or permit them to allow the changes.
  • Make sure you are connected to the Internet.
  • Double-click on mbam-setup.exe to install the application.
    For instructions with screenshots, please refer to the How to use Malwarebytes' Anti-Malware Guide.
  • When the installation begins, follow the prompts and do not make any changes to default settings.
  • When installation has finished, make sure you leave both of these checked:
    • Update Malwarebytes' Anti-Malware
    • Launch Malwarebytes' Anti-Malware
  • Then click Finish.
MBAM will automatically start and you will be asked to update the program before performing a scan.
  • If an update is found, the program will automatically update itself. Press the OK button to close that box and continue.
  • If you encounter any problems while downloading the definition updates, manually download them from here and just double-click on mbam-rules.exe to install.
On the Scanner tab:
  • Make sure the "Perform Quick Scan" option is selected.
  • Then click on the Scan button.
  • If asked to select the drives to scan, leave all the drives selected and click on the Start Scan button.
  • The scan will begin and "Scan in progress" will show at the top. It may take some time to complete so please be patient.
  • When the scan is finished, a message box will say "The scan completed successfully. Click 'Show Results' to display all objects found".
  • Click OK to close the message box and continue with the removal process.
Back at the main Scanner screen:
  • Click on the Show Results button to see a list of any malware that was found.
  • Make sure that everything is checked, and click Remove Selected.
  • When removal is completed, a log report will open in Notepad.
  • The log is automatically saved and can be viewed by clicking the Logs tab in MBAM.
  • Copy and paste the contents of that report in your next reply. Be sure to post the complete log to include the top portion which shows MBAM's database version and your operating system.
  • Exit MBAM when done.
Note: If MBAM encounters a file that is difficult to remove, you will be asked to reboot your computer so MBAM can proceed with the disinfection process. If asked to restart the computer, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware.

Troubleshoot Malwarebytes' Anti-Malware
How do I get help? Who is helping me?
Staying Updated Calendar of Updates.
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#3 tjclifford

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Posted 01 January 2011 - 05:17 PM

boopme:

Thank you for your reply. Sorry for the lack of supporting detail.
I'm running Win 7 Pro Home.
I had retrieved advice from Kaspersky (I have their anti-virus), to download and run Clrav
(from their forum, http://forum.kaspersky.com/index.php?showtopic=189675 ), to no avail since
I could not run ANYTHING but IE and windows explorer.

I downloaded setup_mbam.exe according to the advice I got from bleepingcomputer (after a google
search, I found this advice at http://www.bleepingcomputer.com/forums/topic370194.html).

However, I could not run that, either. The scareware would not let me run it even after I
renamed it explorer.exe.

I finally noticed that the fake Windows Security warning was running as a task in the bottom
task bar, and I right-clicked, and closed it. Then I was able to run setup_mbam.exe, and
got that scanner to run, and it found the junk programs in memory and on my hard disk, and
removed them.

I guess we can consider this closed, and thanks for your advice.

#4 boopme

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Posted 01 January 2011 - 10:25 PM

Thank you!
If there are no more problems or signs of infection, you should Create a New Restore Point to prevent possible reinfection from an old one. Some of the malware you picked up could have been backed up, renamed and saved in System Restore. Since this is a protected directory your tools cannot access to delete these files, they sometimes can reinfect your system if you accidentally use an old restore point. Setting a new restore point AFTER cleaning your system will help prevent this and enable your computer to "roll-back" to a clean working state.

The easiest and safest way to do this is:
  • Go to Posted Image > Programs > Accessories > System Tools and click "System Restore".
  • Choose the radio button marked "Create a Restore Point" on the first screen then click "Next". Give the R.P. a name, then click "Create". The new point will be stamped with the current date and time. Keep a log of this so you can find it easily should you need to useSystem Restore.
  • Then use Disk Cleanup to remove all but the most recently created Restore Point.
  • Go to Posted Image > Run... and type: Cleanmgr
  • Click "Ok". Disk Cleanup will scan your files for several minutes, then open.
  • Click the "More Options" tab, then click the "Clean up" button under System Restore.
  • Click Ok. You will be prompted with "Are you sure you want to delete all but the most recent restore point?"
  • Click Yes, then click Ok.
  • Click Yes again when prompted with "Are you sure you want to perform these actions?"
  • Disk Cleanup will remove the files and close automatically.
Vista and Windows 7 users can refer to these links:
How do I get help? Who is helping me?
Staying Updated Calendar of Updates.
For the time will come when men will not put up with sound doctrine. Instead, to suit their own desires, they will gather around them a great number of teachers to say what their itching ears want to hear....
Become a BleepingComputer fan: Facebook Have you seen..Select Real Security




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