Sound Problems in Latitude D420 Laptop

1 min read

This thread's last reply is from October 18, 2010, 8:39 PM UTC. Advice, software, and links below may be out of date — treat specific steps and download links with caution.

Looking for the outcome? ✨ Ask AI

solo58 Topic Starter

Post #1October 14, 2010, 2:25 PM UTC

Help! I've gone through the hardware forum to address a problem I'm having with a D420 Dell Latitude Laptop. The audio is scratchy. The conclusion is it might be a virus.

mowman

Post #2October 14, 2010, 5:26 PM UTC

Please do the following.

• Download OTL to your desktop.
• Double click on the icon to run it. Make sure all other windows are closed and to let it run uninterrupted.
• When the window appears, underneath Output at the top change it to Minimal Output.
• Check the boxes beside LOP Check and Purity Check.
• Under Custom Scan paste this in
  
  netsvcs
  drivers32
  %SYSTEMDRIVE%\*.*
  %systemroot%\Fonts\*.com
  %systemroot%\Fonts\*.dll
  %systemroot%\Fonts\*.ini
  %systemroot%\Fonts\*.ini2
  %systemroot%\Fonts\*.exe
  %systemroot%\system32\spool\prtprocs\w32x86\*.*
  %systemroot%\REPAIR\*.bak1
  %systemroot%\REPAIR\*.ini
  %systemroot%\system32\*.jpg
  %systemroot%\*.jpg
  %systemroot%\*.png
  %systemroot%\*.scr
  %systemroot%\*._sy
  %APPDATA%\Adobe\Update\*.*
  %ALLUSERSPROFILE%\Favorites\*.*
  %APPDATA%\Microsoft\*.*
  %PROGRAMFILES%\*.*
  %APPDATA%\Update\*.*
  %systemroot%\*. /mp /s
  CREATERESTOREPOINT
  %systemroot%\System32\config\*.sav
  %PROGRAMFILES%\bak. /s
  %systemroot%\system32\bak. /s
  %ALLUSERSPROFILE%\Start Menu\*.lnk /x
  %systemroot%\system32\config\systemprofile\*.dat /x
  %systemroot%\*.config
  %systemroot%\system32\*.db
  %APPDATA%\Microsoft\Internet Explorer\Quick Launch\*.lnk /x
  %USERPROFILE%\Desktop\*.exe
  %PROGRAMFILES%\Common Files\*.*
  %systemroot%\*.src
  %systemroot%\install\*.*
  %systemroot%\system32\DLL\*.*
  %systemroot%\system32\HelpFiles\*.*
  %systemroot%\system32\rundll\*.*
  %systemroot%\winn32\*.*
  %systemroot%\Java\*.*
  %systemroot%\system32\test\*.*
  %systemroot%\system32\Rundll32\*.*
  %systemroot%\AppPatch\Custom\*.*
  %APPDATA%\Roaming\Microsoft\Windows\Recent\*.lnk /x
  %PROGRAMFILES%\PC-Doctor\Downloads\*.*
  %PROGRAMFILES%\Internet Explorer\*.tmp
  %PROGRAMFILES%\Internet Explorer\*.dat
  %USERPROFILE%\My Documents\*.exe
  %USERPROFILE%\*.exe
  %systemroot%\ADDINS\*.*
  %systemroot%\assembly\*.bak2
  %systemroot%\Config\*.*
  %systemroot%\REPAIR\*.bak2
  %systemroot%\SECURITY\Database\*.sdb /x
  %systemroot%\SYSTEM\*.bak2
  %systemroot%\Web\*.bak2
  %systemroot%\Driver Cache\*.*
  %PROGRAMFILES%\Mozilla Firefox\0*.exe
  %ProgramFiles%\Microsoft Common\*.*
  %ProgramFiles%\TinyProxy.
  %USERPROFILE%\Favorites\*.url /x
  %systemroot%\system32\*.bk
  %systemroot%\*.te
  %systemroot%\system32\system32\*.*
  %ALLUSERSPROFILE%\*.dat /x
  %systemroot%\system32\drivers\*.rmv
  dir /b "%systemroot%\system32\*.exe" | find /i " " /c
  dir /b "%systemroot%\*.exe" | find /i " " /c
  %PROGRAMFILES%\Microsoft\*.*
  %systemroot%\System32\Wbem\proquota.exe
  %PROGRAMFILES%\Mozilla Firefox\*.dat
  %USERPROFILE%\Cookies\*.txt /x
  %SystemRoot%\system32\fonts\*.*
  HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU
  HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\Results\Install|LastSuccessTime /rs
  
  
• Click the Run Scan button. Do not change any settings unless otherwise told to do so. The scan wont take long.
  
• When the scan completes, it will open two notepad windows. OTL.Txt and Extras.Txt. These are saved in the same location as OTL.
• Please copy (Edit->Select All, Edit->Copy) the contents of these files, one at a time, and post it with your next reply.
• You may need two posts to fit them both in.

[external image: Posted Image]
Download GMER Rootkit Scanner from here or here.

• Extract the contents of the zipped file to desktop.
• Double click GMER.exe. If asked to allow gmer.sys driver to load, please consent .
• If it gives you a warning about rootkit activity and asks if you want to run scan…click on NO.
  
  [external image: Posted Image]
  Click the image to enlarge it
  
• In the right panel, you will see several boxes that have been checked. Uncheck the following …
  • IAT/EAT
  • Drives/Partition other than Systemdrive (typically C:\)
  • Show All (don't miss this one)
• Then click the Scan button & wait for it to finish.
• Once done click on the [Save..] button, and in the File name area, type in "Gmer.txt" or it will save as a .log file which cannot be uploaded to your post.
  
• Save it where you can easily find it, such as your desktop, and attach it in your reply.

**Caution**
Rootkit scans often produce false positives. Do NOT take any action on any "<— ROOKIT" entries

If GMER won't run try with devices unchecked.If still no go try in safe mode.








Please download MBRCheck.exe to your desktop.

• Be sure to disable your security programs
• Double click on the file to run it (Vista and Windows 7 users will have to confirm the UAC prompt)
• A window will open on your desktop
• if an unknown bootcode is found you will have further options available to you, at this time press N then press Enter twice.
• If nothing unusual is found just press Enter
• A .txt file named MBRCheck_mm.dd.yy_hh.mm.ss should appear on your desktop.
• Please post the contents of that file.

In your next reply please post the following.

• Both OTL logs
• GMER log
• MBRCheck log

mowman

Post #3October 18, 2010, 8:39 PM UTC

Due to inactivity this topic will be closed.
If you need help please start a new thread.

New members follow the instructions here http://forums.whatthetech.com/you_Infected_t106388.html and start a new topic