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Manual Removal of ExpressAntiVirus2009 Trojan

Manual Removal of ExpressAntiVirus2009 Trojan.
ExpressAntiVirus2009 is a misleading application that may give exaggerated reports of threats on the computer.
Publisher: ExpressAntiVirus2009.com
Damage Level : Medium
Distribution Level: Low
Trojan Worm Manual Removal Instructions
Recommend Removal from Safe Mode:

How to Start in Safe mode:
Restart your Computer, Press F8 Repeatedly, when your Screen turns on, Select Safe mode, press enter.
The Infected Files Can be Seen in these folders and names also Running in Tasks
End the Following Active Process Before Removal

  • %ProgramFiles\exav\av.ini
  • %ProgramFiles\exav\base.dll
  • %ProgramFiles\exav\borlndmm.dll
  • %ProgramFiles\exav\expressav.exe [ Kill the Process, Use Killbox if your Access Denied ]
  • %Documents and Settings\[User Name]\Application Data\Local settings\Temp
    • If you have any of these files in running process from task manger, end the process before removal.
    • Note: if task manager is disabled, Download the following file, Click to Download - Enable Registry.reg
    • Open it with Regedit.exe [%system32\regedit.exe], then it Confirms Add to registry Yes or No, Confirm Yes, then click Ok.

Unregister DLL Files Using Windows Command Prompt
  • To open the Windows Command Prompt, go to Start > Run > type cmd and then click the "OK" button.
  • Type "cd" in order to change the current directory,
  • Press the "space" button, enter the full path to where you believe the System Antivirus 2008 DLL file is located press the "Enter" button on your keyboard.
  • If you don't know where System Antivirus 2008 DLL file is located, use the "dir" command to display the directory's contents.
  • To unregister "System Antivirus 2008" DLL file,
  • Type in the exact directory path + "regsvr32 /u" + [DLL_NAME]
  • (C:\Windows\System\ regsvr32 /u lsasrv.dll) and press the "Enter" button.
  • A message will pop up that says you successfully unregistered the file.
Trojan Manual Removal From Registry
Click Start, Run,Type regedit,Click OK.
  • Note: If the registry editor fails to open the threat may have modified the registry to prevent access to the registry editor.
    • Download and run this UnHookExec.inf, and then continue with the removal.
    • Save it to your Windows desktop. Do not run it at this time, download it only.
    • After booting into the Safe Mode or VGA Mode
    • Right-click the UnHookExec.inf file and click Install. [This is a small file. It does not display any notice or boxes when you run it.]
The Trojan modifies registry at the following locations to ensure its automatic execution at every system startup:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\"av" = "C:\Program Files\exav\expressav.exe"
It also modifies the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\"NoFind" = "1"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\"NoRun" = "1"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\"NoSMHelp" = "1"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\"NoSetFolders" = "1"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\"NoViewOnDrive" = "3FFFFFF"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\"DisableRegistryTools" = "1"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\"DisableTaskMgr" = "1"
HKEY_CURRENT_USER\Software\Policies\Microsoft\Internet Explorer\Restrictions\"NoBrowserOptions" = "1"

1 = On, 0 = Off

Search Registry For Virus File Names listed above to remove completely,
Edit Menu - Find
, enter Keyword and remove all value that find in search.

Exit the Registry Editor,
Restart your Computer.

Recommended Removal Tools:
Killbox (Freeware)

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