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Spyware & Virus Directory

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Adware.FlashEnhancer

Updated: March 2, 2006 02:05:59 PM ZE9

Type: Adware

Name: Flash Enhancer

Publisher: flashtrack.net

Risk Impact: High

File Names: XML.dll; Xcpy1_inst.exe; xclean.exe; flnclean.exe. flaclean.exe; Uninst.exe; flncpy.exe; ftkcpy.exe; ftk.dll and Xcpy1.exe

Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

SUMMARY

Behavior

Adware.FlashEnhancer is an adware program that downloads and displays advertisements. It works as a Browser Helper Object in Internet Explorer.

Note: Detections dated 28th July 2005 or earlier may detect this adware as Adware.FlashTrack or Adware.FlashTrack.B.

Symptoms

The files are detected as Adware.FlashEnhancer

Transmission

The most common installation method for this program is through Web sites. This risk may also come bundled with other security risks.

Protection

Virus Definitions (LiveUpdate™ Weekly) August 25, 2004
Virus Definitions (Intelligent Updater) August 19, 2004

TECHNICAL DETAILS

When Adware.FlashEnhancer is running, it may display pop-up advertisements whose content is based on keywords found in the Web page that is being visited.

Adware.FlashEnhancer runs as a Browser Helper Object, which means that the adware component will receive information regarding all the actions inside Internet Explorer. Browser Helper Objects require Internet Explorer 4 or later to function.

When Adware.FlashEnhancer is installed, it does the following:

Creates the following files:
- %CommonProgramFiles%Javaflnclean.exe
- %CommonProgramFiles%Javaflncpy.exe
- %CommonProgramFiles%Javaftkclean.exe
- %CommonProgramFiles%Javaftkcpy.cfg
- %CommonProgramFiles%Javaftkcpy.exe
- %Windir%Tempft30s.exe
  
  Note:
- %CommonProgramFiles% is a variable that refers to the Common Files folder. By default, this is C:Program FilesCommon Files.
- %Windir% is a variable that refers to the Windows installation folder. By default, this is C:Windows (Windows 95/98/Me/XP) or C:Winnt (Windows NT/2000).
Installs itself to one of the following folders:
- %ProgramFiles%Xml*.*
- %ProgramFiles%Fen*.*
- %ProgramFiles%Fla*.*
- %ProgramFiles%Flcp*.*
- %ProgramFiles%Flen*.*
- %ProgramFiles%Fln*.*
- %ProgramFiles%Flt*.*
- %ProgramFiles%Ftk*.*
- %ProgramFiles%Reg2*.*
- %ProgramFiles%Xmod*.*
  
  Note:
- %ProgramFiles% is a variable that refers to the program files folder. By default, this is C:Program Files.
- The filenames the risk uses in each folder varies depending on the name of the folder being used.
Creates the following registry subkeys and adds a number of values under these subkeys:

HKEY_CLASSES_ROOTCLSID{5EDB03AF-0341-4e96-9E9B-3171522E4BAF} HKEY_CLASSES_ROOTCLSID{63CF97E8-4133-438a-A831-CC9C6D47D673} HKEY_CLASSES_ROOTCLSID{665ACD90-4541-4836-9FE4-062386BB8F05} HKEY_CLASSES_ROOTCLSID{7371F073-AC0F-4b80-BB2F-96A488CEFB32} HKEY_CLASSES_ROOTCLSID{7CD20E91-1F31-41da-8379-479EA31DF969} HKEY_CLASSES_ROOTCLSID{A749B4BC-7621-4a80-9220-D0A283367DD5} HKEY_CLASSES_ROOTCLSID{D7E588AB-A5D9-4422-B313-22A3470F9700} HKEY_CLASSES_ROOTInterface{06542764-7BB2-412B-80D6-D103D1474C93} HKEY_CLASSES_ROOTInterface{28168CCE-5310-4F12-AB58-9DA99A55AAEB} HKEY_CLASSES_ROOTInterface{6E83AE1C-F69C-4AED-AF98-D23C24C6FA4B} HKEY_CLASSES_ROOTInterface{890089B7-B385-442F-97B6-99060E8BD08F} HKEY_CLASSES_ROOTInterface{BAEF4039-3C02-4C9E-A2F4-87B513AB0E87} HKEY_CLASSES_ROOTTypeLib{1BD49631-AE36-42F4-A37B-CA7F53146821} HKEY_CLASSES_ROOTTypeLib{48E832EC-B061-49E2-BBC1-AC818623B742} HKEY_CLASSES_ROOTTypeLib{7955EA20-E0D6-4A77-88B6-120674D979EA} HKEY_CLASSES_ROOTTypeLib{DB9F4C00-65E8-4FA1-917B-E4844DDF5909} HKEY_CLASSES_ROOTTypeLib{E6C71E83-E02B-4BC4-958D-A9194916EC19} HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects{0AD937E7-2F37-4873-A05E-548A67EF1D0E} HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects{5EDB03AF-0341-4e96-9E9B-3171522E4BAF} HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects{63CF97E8-4133-438a-A831-CC9C6D47D673} HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects{665ACD90-4541-4836-9FE4-062386BB8F05} HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects{7371F073-AC0F-4b80-BB2F-96A488CEFB32} HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects{7CD20E91-1F31-41da-8379-479EA31DF969} HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects{A749B4BC-7621-4a80-9220-D0A283367DD5} HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects{D7E588AB-A5D9-4422-B313-22A3470F9700} HKEY_CLASSES_ROOTBRedObj.BRedObj HKEY_CLASSES_ROOTBRedObj.BRedObj.1 HKEY_CLASSES_ROOTUnawareObj.UnawareObj HKEY_CLASSES_ROOTUnawareObj.UnawareObj.1 HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionUninstallReg2 HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionUninstallFla HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionUninstallXmod HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionUninstallftk HKEY_LOCAL_MACHINESoftwareNetfilter HKEY_LOCAL_MACHINESoftwareXmod HKEY_LOCAL_MACHINESoftwareXML HKEY_LOCAL_MACHINESoftwarePersistent Bytes HKEY_LOCAL_MACHINESOFTWAREFEN HKEY_LOCAL_MACHINESOFTWAREFlen HKEY_LOCAL_MACHINESOFTWAREFlt HKEY_LOCAL_MACHINESOFTWAREFln HKEY_LOCAL_MACHINESOFTWAREFtk HKEY_LOCAL_MACHINESOFTWAREFlaHKEY_LOCAL_MACHINESOFTWAREFlcpHKEY_USERSS-1-5-21-1187800756-1387622775-1527857685-500SoftwareMicrosoft WindowsCurrentVersionExtStats{63CF97E8-4133-438A-A831-CC9C6D47D673} HKEY_USERSS-1-5-21-1187800756-1387622775-1527857685-500SoftwareMicrosoft WindowsCurrentVersionExtStats{7371F073-AC0F-4B80-BB2F-96A488CEFB32}
Adds the values:

"FlnCPY" = "[PATH TO ORIGINAL FILE]" "FlaCPY" = "[PATH TO ORIGINAL FILE]" "Jreg" = "[PATH TO ORIGINAL FILE]" "t" = "[PATH TO ORIGINAL FILE]" "fecpy" = "[PATH TO ORIGINAL FILE]" "flencpy" = "[PATH TO ORIGINAL FILE]" "flnCPY" = "[PATH TO ORIGINAL FILE]" "ftkCPY" = "[PATH TO ORIGINAL FILE]" "Xcpy1" = "[PATH TO ORIGINAL FILE]"

to the registry subkey:

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRun

so that the risk runs every time Windows starts.
Adds the values:

"fln" = "[PATH TO ORIGINAL FILE]""f" = "[PATH TO ORIGINAL FILE]"
"t" = "[PATH TO ORIGINAL FILE]"
"fla" = "[PATH TO ORIGINAL FILE]"
"fln" = "[PATH TO ORIGINAL FILE]"
"ftk" = "[PATH TO ORIGINAL FILE]"

to the registry subkey:

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRunOnce

so that the risk runs every time Windows starts.
May contact [http:/ /]ads.flashtrack.net/[REMOVED] and display pop-up advertisements with content based on keywords found on the Web page that is being visited.

REMOVAL

The following instructions pertain to all Symantec antivirus products that support security risk detection.

Update the definitions.
Unregister the xml.dll file.
Run a full system scan.
Delete any values added to the registry.

For specific details on each of these steps, read the following instructions.

1. To update the definitions
To obtain the most recent definitions, start your Symantec program and run LiveUpdate.

2. To unregister the xml.dll file

Click Start > Run.
Type, or copy and paste, the following text:regsvr32 /u "[path to xml.dll]XML.dll"then click OK.
If a dialog box confirming this action appears, click OK.

3. To run the scan

Start your Symantec antivirus program, and then run a full system scan.
If any files are detected, and depending on which software version you are using, you may see one or more of the following options:

Note: This applies only to versions of Norton AntiVirus that support security risk detection. If you are running a version of Symantec AntiVirus Corporate Edition that supports security risk detection, and security risk detection has been enabled, you will only see a message box that gives the results of the scan. If you have questions in this situation, contact your network administrator.
- Exclude (Not recommended): If you click this button, it will set the risk so that it is no longer detectable. That is, the antivirus program will keep the security risk on your computer and will no longer detect it to remove from your computer.
- Ignore or Skip: This option tells the scanner to ignore the risk for this scan only. It will be detected again the next time that you run a scan.
- Cancel: This option is new to Norton Antivirus 2005. It is used when Norton Antivirus 2005 has determined that it cannot delete a security risk. This Cancel option tells the scanner to ignore the risk for this scan only, and thus, the risk will be detected again the next time that you run a scan.
  
  To actually delete the security risk:
  - Click its file name (under the Filename column).
  - In the Item Information box that displays, write down the full path and file name.
  - Then use Windows Explorer to locate and delete the file.
    
    If Windows reports that it cannot delete the file, this indicates that the file is in use. In this situation, complete the rest of the instructions on this page, restart the computer in Safe mode, and then delete the file using Windows Explorer. Restart the computer in Normal mode.
- Delete: This option will attempt to delete the detected files. In some cases, the scanner will not be able to do this.
  - If you see a message, "Delete Failed" (or similar message), manually delete the file.
  - Click the file name of the risk that is under the Filename column.
  - In the Item Information box that displays, write down the full path and file name.
  - Then use Windows Explorer to locate and delete the file.
    
    If Windows reports that it cannot delete the file, this indicates that the file is in use. In this situation, complete the rest of the instructions on this page, restart the computer in Safe mode, and then delete the file using Windows Explorer. Restart the computer in Normal mode.
Open Windows Explorer.
Navigate to and delete the following files if they exist:
- %CommonProgramFiles%Javaflnclean.exe
- %CommonProgramFiles%Javaflncpy.exe
- %CommonProgramFiles%Javaftkclean.exe
- %CommonProgramFiles%Javaftkcpy.cfg
- %CommonProgramFiles%Javaftkcpy.exe
- %Windir%Tempft30s.exe
Navigate to and delete the following folders if they exist:
- %ProgramFiles%Xml
- %ProgramFiles%Fen
- %ProgramFiles%Fla
- %ProgramFiles%Flcp
- %ProgramFiles%Flen
- %ProgramFiles%Fln
- %ProgramFiles%Flt
- %ProgramFiles%Ftk
- %ProgramFiles%Reg2
- %ProgramFiles%Xmod
Exit Windows Explorer.

Important: If your Symantec antivirus product reports that it cannot delete a detected file, Windows may be using the file. To fix this, run the scan in Safe mode. For instructions, read the document: How to start the computer in Safe Mode. Once you have restarted in Safe mode, run the scan again.

After the files are deleted, restart the computer in Normal mode and proceed with the next section.

Warning messages may be displayed when the computer is restarted, since the risk may not be fully removed at this point. You can ignore these messages and click OK. These messages will not appear when the computer is restarted after the removal instructions have been fully completed. The messages displayed may be similar to the following:

Title: [File path]
Message body: Windows cannot find [file name]. Make sure you typed the name correctly, and then try again. To search for a file, click the Start button, and then click Search.

4. To delete the value from the registry
Important: Symantec strongly recommends that you back up the registry before making any changes to it. Incorrect changes to the registry can result in permanent data loss or corrupted files. Modify the specified subkeys only. Read the document: How to make a backup of the Windows registry.

Click Start > Run.
Type regedit

Then click OK.

Note: If the registry editor fails to open the risk may have modified the registry to prevent access to the registry editor. Security Response has developed a tool to resolve this problem. Download and run this tool, and then continue with the removal.
Navigate to the subkey:

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRun
In the right pane, delete the values:

"FlnCPY" = "[PATH TO ORIGINAL FILE]" "FlaCPY" = "[PATH TO ORIGINAL FILE]" "Jreg" = "[PATH TO ORIGINAL FILE]" "t" = "[PATH TO ORIGINAL FILE]" "fecpy" = "[PATH TO ORIGINAL FILE]" "flencpy" = "[PATH TO ORIGINAL FILE]" "flnCPY" = "[PATH TO ORIGINAL FILE]" "ftkCPY" = "[PATH TO ORIGINAL FILE]" "Xcpy1" = "[PATH TO ORIGINAL FILE]"
Navigate to the subkey:

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRunOnce
In the right pane, delete the values:

"fln" = "[PATH TO ORIGINAL FILE]" "f" = "[PATH TO ORIGINAL FILE]"
"t" = "[PATH TO ORIGINAL FILE]"
"fla" = "[PATH TO ORIGINAL FILE]"
"fln" = "[PATH TO ORIGINAL FILE]"
"ftk" = "[PATH TO ORIGINAL FILE]"
Navigate to and delete the subkeys:

HKEY_CLASSES_ROOTCLSID{5EDB03AF-0341-4e96-9E9B-3171522E4BAF} HKEY_CLASSES_ROOTCLSID{63CF97E8-4133-438a-A831-CC9C6D47D673} HKEY_CLASSES_ROOTCLSID{665ACD90-4541-4836-9FE4-062386BB8F05} HKEY_CLASSES_ROOTCLSID{7371F073-AC0F-4b80-BB2F-96A488CEFB32} HKEY_CLASSES_ROOTCLSID{7CD20E91-1F31-41da-8379-479EA31DF969} HKEY_CLASSES_ROOTCLSID{A749B4BC-7621-4a80-9220-D0A283367DD5} HKEY_CLASSES_ROOTCLSID{D7E588AB-A5D9-4422-B313-22A3470F9700} HKEY_CLASSES_ROOTInterface{06542764-7BB2-412B-80D6-D103D1474C93} HKEY_CLASSES_ROOTInterface{28168CCE-5310-4F12-AB58-9DA99A55AAEB} HKEY_CLASSES_ROOTInterface{6E83AE1C-F69C-4AED-AF98-D23C24C6FA4B} HKEY_CLASSES_ROOTInterface{890089B7-B385-442F-97B6-99060E8BD08F} HKEY_CLASSES_ROOTInterface{BAEF4039-3C02-4C9E-A2F4-87B513AB0E87} HKEY_CLASSES_ROOTTypeLib{1BD49631-AE36-42F4-A37B-CA7F53146821} HKEY_CLASSES_ROOTTypeLib{48E832EC-B061-49E2-BBC1-AC818623B742} HKEY_CLASSES_ROOTTypeLib{7955EA20-E0D6-4A77-88B6-120674D979EA} HKEY_CLASSES_ROOTTypeLib{DB9F4C00-65E8-4FA1-917B-E4844DDF5909} HKEY_CLASSES_ROOTTypeLib{E6C71E83-E02B-4BC4-958D-A9194916EC19} HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects{0AD937E7-2F37-4873-A05E-548A67EF1D0E} HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects{5EDB03AF-0341-4e96-9E9B-3171522E4BAF} HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects{63CF97E8-4133-438a-A831-CC9C6D47D673} HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects{665ACD90-4541-4836-9FE4-062386BB8F05} HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects{7371F073-AC0F-4b80-BB2F-96A488CEFB32} HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects{7CD20E91-1F31-41da-8379-479EA31DF969} HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects{A749B4BC-7621-4a80-9220-D0A283367DD5} HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects{D7E588AB-A5D9-4422-B313-22A3470F9700} HKEY_USERSS-1-5-21-1187800756-1387622775-1527857685-500SoftwareMicrosoft WindowsCurrentVersionExtStats{63CF97E8-4133-438A-A831-CC9C6D47D673} HKEY_USERSS-1-5-21-1187800756-1387622775-1527857685-500SoftwareMicrosoft WindowsCurrentVersionExtStats{7371F073-AC0F-4B80-BB2F-96A488CEFB32} HKEY_CLASSES_ROOTBRedObj.BRedObj HKEY_CLASSES_ROOTBRedObj.BRedObj.1 HKEY_CLASSES_ROOTUnawareObj.UnawareObj HKEY_CLASSES_ROOTUnawareObj.UnawareObj.1 HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionUninstallReg2 HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionUninstallFla HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionUninstallXmod HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionUninstallftk HKEY_LOCAL_MACHINESoftwareNetfilter HKEY_LOCAL_MACHINESoftwareXmod HKEY_LOCAL_MACHINESoftwareXML HKEY_LOCAL_MACHINESoftwarePersistent Bytes HKEY_LOCAL_MACHINESOFTWAREFEN HKEY_LOCAL_MACHINESOFTWAREFlen HKEY_LOCAL_MACHINESOFTWAREFlt HKEY_LOCAL_MACHINESOFTWAREFln HKEY_LOCAL_MACHINESOFTWAREFtk HKEY_LOCAL_MACHINESOFTWAREFla HKEY_LOCAL_MACHINESOFTWAREFlcp
Exit the Registry Editor.

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