Adware.Lop!dl

SUMMARY

Behavior

Adware.Lop!dl is a program that downloads a copy of Adware.Lop on to the computer.

Note: Definitions prior to March 29, 2006 may detect this risk as Download.Adware.Lop or Trojan.Download.Swizz.

Symptoms

Your Symantec program detects Adware.Lop!dl.

Transmission

This security risk comes bundled with various programs.

Protection

• Virus Definitions (LiveUpdate™ Weekly) October 15, 2003
• Virus Definitions (Intelligent Updater) October 13, 2003

TECHNICAL DETAILS

When Adware.Lop!dl is executed, it performs the following actions:

1. Downloads files from predetermined Web sites. These files may be a copy of Adware.Lop.
   
   
2. May launch Internet Explorer as a hidden window and inject itself into the Internet Explorer process.
   
   
3. May create the registry subkey:
   
   HKEY_CURRENT_USERSOFTWAREFort Cake IdolGRAM
   
   to hold configuration data.
   
   
4. Becomes inactive after the computer is restarted or when the file is removed.

REMOVAL

The preferred method for removal of Adware.Lop!dl can be found at www.lop.com. Please note that Symantec has no affiliation with the previously listed website.

Manual Removal
The following instructions pertain to all current and recent Symantec antivirus products, including the Symantec AntiVirus and Norton AntiVirus product lines.

1. Update the definitions.
2. Restart the computer in Safe mode or VGA mode.
3. Run a full system scan and delete all the files detected as Adware.Lop!dl, or Adware.Lop.
4. Delete the value that may have been added to the registry.

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

1. Updating the definitions
Symantec Security Response fully tests all the virus definitions for quality assurance before they are posted to our servers. There are two ways to obtain the most recent virus definitions:

• Running LiveUpdate, which is the easiest way to obtain virus definitions: These virus definitions are posted to the LiveUpdate servers once each week (usually on Wednesdays), unless there is a major virus outbreak. To determine whether definitions for this threat are available by LiveUpdate, refer to the Virus Definitions (LiveUpdate).
• Downloading the definitions using the Intelligent Updater: The Intelligent Updater virus definitions are posted on U.S. business days (Monday through Friday). You should download the definitions from the Symantec Security Response Web site and manually install them. To determine whether definitions for this threat are available by the Intelligent Updater, refer to the Virus Definitions (Intelligent Updater).
  
  The Intelligent Updater virus definitions are available: Read "How to update virus definition files using the Intelligent Updater" for detailed instructions.

2. Restarting the computer in Safe mode or VGA mode
Shut down the computer and turn off the power. Wait for at least 30 seconds, and then restart the computer in Safe mode or VGA mode.

• For Windows 95, 98, Me, 2000, or XP users, restart the computer in Safe mode. For instructions, read the document, "How to start the computer in Safe Mode."
• For Windows NT 4 users, restart the computer in VGA mode.

3. Scanning for and deleting the infected files

1. Start Norton AntiVirus and make sure that it is configured to scan all the files. For more information, read the document, "How to configure Norton AntiVirus to scan all files."
2. Run a full system scan.
3. If any files are detected as Adware.Lop!dl or Adware.Lop, click Delete.

4. To delete the value that may have been added to 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 keys only. Read the document, "How to make a backup of the Windows registry," for instructions.

1. Click Start > Run.
2. Type regedit
   
   Then click OK.
   
   
3. Navigate to and delete the subkey:
   
   HKEY_CURRENT_USERSOFTWAREFort Cake IdolGRAM
   
   
4. Exit the Registry Editor.