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Discovered: May 31, 2011
Updated: May 31, 2011 2:30:01 PM
Type: Trojan
Systems Affected: Android

Android.Lightdd is a Trojan horse that steals information from Android devices.

Please see the following resource for further information:
Droid Dreams, a Reoccurring Nightmare for Android Users

Antivirus Protection Dates

  • Initial Rapid Release version May 31, 2011 revision 018
  • Latest Rapid Release version July 08, 2018 revision 025
  • Initial Daily Certified version May 31, 2011 revision 020
  • Latest Daily Certified version July 09, 2018 revision 002
  • Initial Weekly Certified release date June 01, 2011

Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Writeup By: Ka Chun Leung

Discovered: May 31, 2011
Updated: May 31, 2011 2:30:01 PM
Type: Trojan
Systems Affected: Android

When the compromised application is installed, it registers the main launcher so the Trojan will start when the application starts.

The Trojan monitors the phone so that it runs when certain actions occur on the phone, such as receiving a call, accepting a call, and hanging up.

It then registers the following services:

  • com.passionteam.lightdd.Receiver
  • com.passionteam.lightdd.CoreService

Next, the Trojan sends stolen information about the device to the following locations:
  • [http://][REMOVED]
  • [http://][REMOVED]
  • [http://][REMOVED]
  • [http://][REMOVED]
  • [http://][REMOVED]
  • [http://][REMOVED]

It also receives a message from the above locations that is displayed to the user. The message contains a URL to download another program on to the compromised device.

The following apps have been found repackaged with a copy of the Trojan and are only available in unofficial Android Markets:
  • Beauty Breasts
  • Brightness Settings
  • Call End Vibrate
  • Contact Master
  • Delete Contacts
  • Floating Image Free
  • HOT Girls 1
  • HOT Girls 2
  • HOT Girls 3
  • HOT Girls 4
  • Paint Master
  • Quick Photo Grid
  • Quick SMS Backup
  • Quick Uninstaller
  • Sex Sound
  • Sex Sound: Japanese
  • Sexy Girls: Hot Japanese
  • Sexy Legs
  • Super App Manager
  • Super Color Flashlight
  • Super Photo Enhance
  • Super StopWatch and Timer
  • System Monitor
  • Volume Manager

Copies of the following applications have also been found bundled with the Trojan in the Android Market, published by a developer named Mobnet:
  • Quick FallDown
  • Scientific Calculator
  • Bubble Buster
  • Best Compass & Leveler


Symantec Security Response encourages all users and administrators to adhere to the following basic security "best practices":

  • Use a firewall to block all incoming connections from the Internet to services that should not be publicly available. By default, you should deny all incoming connections and only allow services you explicitly want to offer to the outside world.
  • Enforce a password policy. Complex passwords make it difficult to crack password files on compromised computers. This helps to prevent or limit damage when a computer is compromised.
  • Ensure that programs and users of the computer use the lowest level of privileges necessary to complete a task. When prompted for a root or UAC password, ensure that the program asking for administration-level access is a legitimate application.
  • Disable AutoPlay to prevent the automatic launching of executable files on network and removable drives, and disconnect the drives when not required. If write access is not required, enable read-only mode if the option is available.
  • Turn off file sharing if not needed. If file sharing is required, use ACLs and password protection to limit access. Disable anonymous access to shared folders. Grant access only to user accounts with strong passwords to folders that must be shared.
  • Turn off and remove unnecessary services. By default, many operating systems install auxiliary services that are not critical. These services are avenues of attack. If they are removed, threats have less avenues of attack.
  • If a threat exploits one or more network services, disable, or block access to, those services until a patch is applied.
  • Always keep your patch levels up-to-date, especially on computers that host public services and are accessible through the firewall, such as HTTP, FTP, mail, and DNS services.
  • Configure your email server to block or remove email that contains file attachments that are commonly used to spread threats, such as .vbs, .bat, .exe, .pif and .scr files.
  • Isolate compromised computers quickly to prevent threats from spreading further. Perform a forensic analysis and restore the computers using trusted media.
  • Train employees not to open attachments unless they are expecting them. Also, do not execute software that is downloaded from the Internet unless it has been scanned for viruses. Simply visiting a compromised Web site can cause infection if certain browser vulnerabilities are not patched.
  • If Bluetooth is not required for mobile devices, it should be turned off. If you require its use, ensure that the device's visibility is set to "Hidden" so that it cannot be scanned by other Bluetooth devices. If device pairing must be used, ensure that all devices are set to "Unauthorized", requiring authorization for each connection request. Do not accept applications that are unsigned or sent from unknown sources.
  • For further information on the terms used in this document, please refer to the Security Response glossary.

Writeup By: Ka Chun Leung

Discovered: May 31, 2011
Updated: May 31, 2011 2:30:01 PM
Type: Trojan
Systems Affected: Android

You may have arrived at this page either because you have been alerted by your Symantec product about this risk, or you are concerned that your device has been affected by this risk.

Install Norton Mobile Security
If you do not already have Norton Mobile Security installed on your device, please download the product from the Android marketplace .

Alternatively, you can navigate to the website from your device and download the product from there by completing the following steps:

  1. Select the 90-Day free download.
  2. Click on the Android icon to begin downloading the product.
  3. Click on Install in order to accept the permissions that are being requested by the program.
  4. Next, click Open and then Agree & Launch.

Note: The first time the product runs, you will be required to enter a code that is displayed on the screen in order to activate the product. Enter the provided code and press Submit .

Run a full system scan
Run a full system scan using Norton Mobile Security to remove this risk from the device. To do this, please perform the following actions:
  1. Navigate to the Anti-Malware tab.
  2. Click Scan Now.

Manual removal
To remove this risk manually, please perform the following actions:
  1. Open the Google Android Menu.
  2. Go to the Settings icon and select Applications.
  3. Next, click Manage.
  4. Select the application and click the Uninstall button.

Writeup By: Ka Chun Leung