Exterminate It! Antimalware


Known threats:700,085 Last Update:March 01, 12:55


You guys finally did it!!! Your July 27 update completely removed the Softwarerefferal virus from my computer. I had tried (with no success) several anti-virus programs. I really appreciate your quick response and good work. Keep it up!! Thanks so much!

John K. D.


How to Remove RontokBro.J from Your Computer

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

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

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

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

To delete the RontokBro.J 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 trojan is a program that is disguised as legitimate software but is designed to carry out some harmful actions on the infected computer.

Unlike viruses and worms, trojans don’t replicate but they can be just as destructive.

These days trojans are very common. Trojans are divided into a number different categories based on their function or type of damage.

Be Aware of the Following Trojan Threats:

Oplads, VirTool.BAT.Sphinx, Nov17, Bancos.GTA, Spy.Banker.awa.

How Did My PC Get Infected with RontokBro.J?^

The following are the most likely reasons why your computer got infected with RontokBro.J:

  • 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 RontokBro.J. 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 RontokBro.J.

Visiting Questionable Web Sites

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

Detecting RontokBro.J^

The following symptoms signal that your computer is very likely to be infected with RontokBro.J:

PC is working very slowly

RontokBro.J 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 RontokBro.J.

New desktop shortcuts have appeared or the home page has changed

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

Annoying popups keep appearing on your PC

RontokBro.J 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

RontokBro.J 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.