Exterminate It! Antimalware

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Known threats:699,742 Last Update:November 20, 22:46

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Win32.Delf

Aliases of Win32.Delf (AKA):

[Kaspersky]TrojanSpy.Win32.Delf.l, Trojan.Win32.Delf.av
[Eset]Win32/Delf.FZ trojan, Win32/Delf.BI trojan, Win32/Delf.EG trojan, Win32/Delf.KG trojan, Win32/Delf.JY trojan, Win32/Delf.MW trojan, Win32/Delf.MW1 trojan, Win32/Delf.ME trojan, Win32/Delf.KD trojan, Win32/Delf.EB trojan, Win32/Delf.LJ trojan, Win32/Delf.LT trojan, Win32/Delf.MJ trojan, Win32/Delf.MX trojan, Win32/Delf.MZ trojan, Win32/Delf.NC trojan, Win32/Delf.NS trojan, Win32/Delf.OB trojan
[Panda]Trojan Horse, Backdoor Program, Bck/Delf, Bck/Delf.AY, Flooder Program, Dialer.LW, Nuker Program, Hacktool Program
[CA]Win32/Delf.k!Trojan
[Other]Possible_Virus, Trojan.IEMax

How to Remove Win32.Delf from Your Computer^

You can effectively remove Win32.Delf from your computer with Exterminate It!.

After installing the program, run a scan to display a list of the files associated with Win32.Delf in the Scan Result screen and remove these files. For information about running scans and removing malware files, see the Exterminate It! Help.

Trojan

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:

Bancos.IAT, BAT.ZipBat, SillyDL.BGP, Backdoor.SDBot.Server.Variant, VBS.Noob.

Adware

Software that is designed to launch advertisements, frequently pop-up ads, on a user’s computer and/or to redirect search results to promotional Web sites. Adware programs are often built into freeware or shareware programs, where the adware creates an indirect ‘charge’ for using the free program. Sometimes a trojan can silently download an adware program from a Web site and install it onto a user’s machine.

Hacker tools, or Browser Hijackers, can also download an adware program by exploiting a web browser’s vulnerability. Browser Hijackers may tamper with the browser settings, redirect incorrect or incomplete URLs to unwanted Web sites, or change the default home page. They can also re-direct a user’s searches to “pay-to-view” (often pornographic) Web sites.

Typically, many adware programs do not leave any marks of their presence in the system: they are not listed on Start | Programs; they add no icons to the system tray; and they don’t show up on the task list. In addition, adware programs seldom provide an uninstallation procedure, and attempts at manually removing them frequently result in failure of the original carrier program.

Be Aware of the Following Adware Threats:

CometCursor, Agent.db, MasterDialer, MD, TTC.

Spyware

Spyware is designed to gather data from a computer and transfer it to a third party without the consent or knowledge of the computer’s owner. This includes collecting confidential information (passwords, credit card numbers, PIN numbers, etc.), monitoring key strokes, gathering e-mail addresses, or tracking surfing habits. Such resource-consuming activities slow down the system and generally impact the computer’s performance.

“Spyware” is an umbrella term for a diverse group of malware-related programs, rather than a clear-cut category. Most spyware definitions apply not only to adware, pornware and ‘riskware’ programs, but to many trojans as well.

Be Aware of the Following Spyware Threats:

Natsume, Surf+, GlobalHook.Keylogger, Email.Observer, Winhwak.

Backdoor

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:

Efso, Revell, NinjaSpy, Win32.Spool, Afcore.ar.

RAT

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:

SpyAnywhere, GMF, MagicLink, Netrunner, Momaker.

Hacker Tool

Hacker tools are utilities designed to help hackers gain control of remote computers in order to use them as zombies (in DoS attacks, for example), download other malicious programs into those computers, or use them for other malicious purposes.

Be Aware of the Following Hacker Tool Threats:

Naebi, ZeroPopup, Parasite, New.BackDoor2, Win32.PWS.Qover.Server.

DoS

A DoS (Denial of Service) attack is designed to disrupt or stop the normal running of a Web site, server, or other network resource. Hackers or malware writers resort to various ways to achieve this. A DoS attack can commonly result in a server being flooded with more network traffic than it is capable of processing. This hinders or prevents the server’s normal operation and sometimes causes its complete failure.

Unlike a DoS attack, a DDoS attack employs multiple PCs. The hacker or malware writer normally uses one infected computer - “master” - to centrally coordinate the attack across other, so-called “zombie”, computers. Typically, the malware writer gains control of both master and zombie computers by exploiting a weakness in an application or the operating system on those computers, in order to install a trojan or other malicious code.

Be Aware of the Following DoS Threats:

SMEG, Stealth.Bomber.Gold, BSV!Dropper, Barcelona, Yosha.

How Did My PC Get Infected with Win32.Delf?^

The following are the most likely reasons why your computer got infected with Win32.Delf:

  • 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 Win32.Delf. 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 Win32.Delf.

Visiting Questionable Web Sites

When you visit sites with dubious or objectionable content, trojans-including Win32.Delf, spyware and adware, may well be automatically downloaded and installed onto your computer.

Detecting Win32.Delf^

The following symptoms signal that your computer is very likely to be infected with Win32.Delf:

PC is working very slowly

Win32.Delf 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 Win32.Delf.

New desktop shortcuts have appeared or the home page has changed

Win32.Delf can tamper with your Internet settings or redirect your default home page to unwanted web sites. Win32.Delf may even add new shortcuts to your PC desktop.

Annoying popups keep appearing on your PC

Win32.Delf 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

Win32.Delf 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.