Exterminate It! Antimalware


Known threats:700,085 Last Update:August 24, 10:09


I ran the free version on my system that I knew had something on it, nothing would detect what was going on but your program did! I instantly bought it and now it's clean!

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Aliases of BO.Freeze (AKA):

[F-Prot]->bof.exe, ->bof.exe is a security risk or a "backdoor" program

How to Remove BO.Freeze from Your Computer^

You can effectively remove BO.Freeze from your computer with Exterminate It!.

After installing the program, run a scan to display a list of the files associated with BO.Freeze in the Scan Result screen and remove these files. For information about running scans and removing malware files, see the Exterminate It! Help.


Of all trojans, backdoor trojans pose the greatest danger to users’ PCs because they give their authors remote control over infected computers. They are downloaded, installed, and run silently, without the user’s consent or knowledge. Upon installation, backdoor trojans can be instructed to send, receive, execute and delete files, gather and transfer confidential data from the computer, log all activity on the computer, and perform other harmful activities.

Be Aware of the Following Backdoor Threats:

ESurveiller, MSTU, Petala, Trojanspy.Win32.Chazer, Dy.


Remote Access Tool. A program that enables a hacker to remotely access and control other people’s computers. A RAT can serve a variety of malicious purposes, including hijacking and transferring private information, downloading files, running programs, and tampering with system settings.

Be Aware of the Following RAT Threats:

SubSeven.v21G, KillDientes, AmigaAnywhere, Goh, Remote.Config.

How Did My PC Get Infected with BO.Freeze?^

The following are the most likely reasons why your computer got infected with BO.Freeze:

  • 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 BO.Freeze. 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 BO.Freeze.

Visiting Questionable Web Sites

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

Detecting BO.Freeze^

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

PC is working very slowly

BO.Freeze 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 BO.Freeze.

New desktop shortcuts have appeared or the home page has changed

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

Annoying popups keep appearing on your PC

BO.Freeze 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

BO.Freeze 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.