Exterminate It! Antimalware


Known threats:700,086 Last Update:March 16, 12:51



Thanks so much for your help. For now, this seemed to have solved the problem and found all the infected files. I'll keep you updated, as I know this virus can be very hard to kill.

Thanks a million.



Aliases of Lobster (AKA):

[Other]Win32/Lobster, Trojan-Clicker.Win32.Small.js, Troj/Phide-B

How to Remove Lobster from Your Computer^

To completely purge Lobster from your computer, you need to delete the files and folders associated with Lobster. These files and folders are respectively listed in the Files and Folders sections on this page.

For instructions on deleting the Lobster files and folders, see the following section How to Delete Lobster Files (.exe, .dll, etc.).

How to Delete Lobster Files (.exe, .dll, etc.)^

The files and folders associated with Lobster are listed in the Files and Folders sections on this page.

To delete the Lobster files and folders:

  1. Using your file explorer, browse to each file and folder listed in the Folders and Files sections.
  2. Note: The paths use certain special folders (conventions) such as [%PROGRAM_FILES%]. Please note that these conventions are depending on Windows Version / Language. These conventions are explained here.
  3. Select the file or folder and press SHIFT+Delete on the keyboard.
  4. Click Yes in the confirm deletion dialog box.
  5. IMPORTANT: If a file is locked (in use by some application), its deletion will fail (the Windows will display a corresponding message).You can delete such locked files with the RemoveOnReboot utility. To delete a locked file, right-click on the file, select Send To->Remove on Next Reboot on the menu and restart your computer. You can install the RemoveOnReboot utility from here.


A type of trojan. The primary purpose of downloaders is to install malicious code on a user’s computer. However, they can enable other malicious uses. For example, they can be used to continually download new versions of malicious code, adware, or “pornware.” They are also used frequently used to exploit the vulnerabilities of Internet Explorer.

Downloaders are typically written in script languages such as VBS or JavaScript.

Be Aware of the Following Downloader Threats:

Funked, Fearless, Web.Installer, Rigor, HLL.ow.DPOG.

How Did My PC Get Infected with Lobster?^

The following are the most likely reasons why your computer got infected with Lobster:

  • Your operating system and Web browser's security settings are too lax.
  • You are not following safe Internet surfing and PC practices.

Downloading and Installing Freeware or Shareware

Small-charge or free software applications may come bundled with spyware, adware, or programs like Lobster. Sometimes adware is attached to free software to enable the developers to cover the overhead involved in created the software. Spyware frequently piggybacks on free software into your computer to damage it and steal valuable private information.

Using Peer-to-Peer Software

The use of peer-to-peer (P2P) programs or other applications using a shared network exposes your system to the risk of unwittingly downloading infected files, including malicious programs like Lobster.

Visiting Questionable Web Sites

When you visit sites with dubious or objectionable content, trojans-including Lobster, spyware and adware, may well be automatically downloaded and installed onto your computer.

Detecting Lobster^

The following symptoms signal that your computer is very likely to be infected with Lobster:

PC is working very slowly

Lobster can seriously slow down your computer. If your PC takes a lot longer than normal to restart or your Internet connection is extremely slow, your computer may well be infected with Lobster.

New desktop shortcuts have appeared or the home page has changed

Lobster can tamper with your Internet settings or redirect your default home page to unwanted web sites. Lobster may even add new shortcuts to your PC desktop.

Annoying popups keep appearing on your PC

Lobster may swamp your computer with pestering popup ads, even when you're not connected to the Internet, while secretly tracking your browsing habits and gathering your personal information.

E-mails that you didn't write are being sent from your mailbox

Lobster may gain complete control of your mailbox to generate and send e-mail with virus attachments, e-mail hoaxes, spam and other types of unsolicited e-mail to other people.