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Can't write or delte registry


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#1 Rohit Bhal

Rohit Bhal

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Posted 10 May 2009 - 12:56 AM

During software installation it ask me -can't write registry keys and during uninstallations it says can't delte registyr keys.am i infected???i have found only two viruses and delted them all.my os is winxp sp3.

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#2 extremeboy

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Posted 11 May 2009 - 03:21 PM

Hello.

Perhaps, seems like some kind of restrictions/permission.

May I ask what that software installation was and what registry key(s) weren't allowed to be created/deleted?

After that, please run the following two tools.

Download and run MalwareBytes Anti-Malware

Please download Malwarebytes Anti-Malware and save it to your desktop.
alternate download link 1
  • Make sure you are connected to the Internet.
  • Double-click on Download_mbam-setup.exe to install the application.
  • 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 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 and you may be prompted to restart your computer. (see Note below)
  • 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 and exit MBAM.
Note: If MBAM encounters a file that is difficult to remove, you will be presented with 1 of 2 prompts. Click OK to either and let MBAM proceed with the disinfection process. If asked to restart the computer, please do so immediately. Failure to reboot will prevent MBAM from removing all the malware.

For complete or visual instructions on installing and running Malwarebytes Anti-Malware please read this link

Download and Run Scan with GMER

We will use GMER to scan for rootkits.This version will download a zip file you will need to extract first. If you use this mirror, please extract the zip file to your desktop. Unzip/extract the file to its own folder. (Click here for information on how to do this if not sure. Win 2000 users click here.
  • Close any and all open programs, as this process may crash your computer.
  • Double click Posted Image or Posted Image on your desktop.
  • When you have done this, close all running programs.
    There is a small chance this application may crash your computer so save any work you have open.
  • Double-click on Gmer.exe to start the program. Right-click and select Run As Administrator... if you are using Vista
  • Allow the gmer.sys driver to load if asked.
    If it detects rootkit activity, you will receive a prompt (refer below) to run a full scan. Click NO..
    Posted Image
  • In the right panel, you will see several boxes that have been checked. Please UNCHECK the following:
    • Sections
    • IAT/EAT
    • Drives/Partition other than Systemdrive (typically C:\)
    • Show all (Don't miss this one!)
  • Posted Image
  • Click on Posted Image and wait for the scan to finish.
  • If you see a rootkit warning window, click OK.
  • Push Posted Image and save the logfile to your desktop.
  • Copy and Paste the contents of that file in your next post.

If GMER doesn't work in Normal Mode try running it in Safe Mode

Note: Do Not run any program while GMER is running
*Note*: Rootkit scans often produce false positives. Do NOT take any actions on "<--- ROOKIT" entries

With Regards,
Extremeboy
Note: Please do not PM me asking for help, instead please post it in the correct forum requesting for help. Help requests via the PM system will be ignored.

If I'm helping you and I don't reply within 48 hours please feel free to send me a PM.

The help you receive here is always free but if you wish to show your appreciation, you may wish to Posted Image.




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