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Hi! my comp is nfected with a trojan masquerading as a security tool. it keeps popping dlhost.exe is infected with virus DOS.Jeff.812 this worm is trying to send our credit card details using dlhost.exe to connect to a remote host

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  • Intel Master
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SAMETIMES THE ONLY THING TO DO IS REINSTALL
WINDOWS.

Posted on Jan 04, 2015

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  • Intel Master
  • 7,733 Answers

First try this but be careful:
To remove Trojan, you must first stop any Trojan processes that are running in your computer's memory. To stop all Trojan processes, press CTRL+ALT+DELETE to open the Windows Task Manager. Click on the "Processes" tab, search for Trojan, then right-click it and select "End Process" key.

To delete Trojan registry keys, open the Windows Registry Editor by clicking on the Windows "Start" button and selecting "Run." Type "regedit" into the box and click "OK." Once the Registry Editor is open, search for the registry key "HKEY_LOCAL_MACHINE\Software\Trojan." Right-click this registry key and select "Delete."

Finally, to completely get rid of Trojan, you must manually remove other Trojan files. These Trojan files can be in the form of EXE, DLL, LSP, TOOLBAR, BROWSER HIJACK, and/or BROWSER PLUGIN. For example, Trojan might create a file like
%PROGRAM_FILES%\Trojan\Trojan.exe. Locate and remove these files.

OR

If you can pass to the Windows interface you can run a Trojan remover like this one Trojan Remover at cNET. If not do it manually, instructions HERE

If your OS is Windows go to this link by Microsoft Online Scanner
also this one is a good one from TenMicro HouseCall

Posted on Oct 03, 2010

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Posted on Jan 02, 2017

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Computer repair virus


Another case of infection by adwares, spywares, trojans, worms and viruses. This is a caution... always have a good anti-virus or internet security running in your system.

Nov 18, 2011 | Microsoft Windows XP Professional

Tip

Malware Part 1: Viruses, Trojans, Worms, Spyware, Adware


Malwares or Malicious softwares are programs that are made intending to sabotage and destroy your computer or penetrate, spy and steal your information on your computer. These Malicious Software could be categorized into 5 major groups Viruses, Trojans, Worms, Spyware and Adware. What, are the differences between these 5 types?

Viruses are programs that act like biological viruses. They replicate or make a copy of themselves in another host. Using an infected host, like USB Flash disks or drives, viruses infect your computer and wait until you insert another flash disc to infect. While waiting in your computer, viruses, depending on their code, could either slow down the system, mess up your file system, or even destroy your files.

Trojans are programs that do not replicate or copy themselves. Trojans are software that are made by would be hackers to spy on your computer and create what they call back doors. These programs are intentionally placed on your computer directly, where there is physical contact with the computer, or indirectly, where a copy is sent through your Email or even by an infected Flash Drive. The trojan would then be on your computer but it will neither replicate nor crawl to other computers connected to the infected computer.

Worms, on the other hand, are the ones that have the capability to crawl to any computer connected to the infected computer. Worms infect computers through the local network and even through the public networks. Worms infect others by scanning your network and infecting any computer connected to your network. Other Worms would scan your email software for email addresses and send a copy of themselves to your contacts and act like it was sent by you. Worms also have the capability to destroy your files depending on the code programmed into it. Worms also has the effect of slowing down your network speed since it would scan your network and send copies of itself. Worms eat up a lot of bandwidth in a network.

Spyware and Adware are almost the same. The difference of these two is the intent and the usage. Spyware as its name implies is used to spy your computer for any vulnerabilities. Adware on the other hand is used to constantly bug you with Advertisements. Normally known as Unwanted Pop-ups. Both, however, can infect you by websites, that without your permission, that copy or install these unwanted software into your computer. Spyware and Adware, are sometimes also considered as Trojans by other Antivirus Software since it does not replicate or crawl in the network but does damage to your computer.

Whichever type, these Malicious Software, is harmful to your computer and is a threat to your personal security. It is best to be able to early detect these software and be able to purge them out of your system. As prolonged, exposure to these Malicious Software is very damaging which could cause you to lose your data.

In Malware Part 2: Malware Detection and Removal, we will discus how to detect malware and some basic techniques in removing these Malicious Software.

on May 11, 2010 | Computers & Internet

Tip

Trojan Virus Removal


Trojans are among the most common type of malwares known to affect thecomputer systems worldwide. It will not be a point of surprise if yourcomputer is infected by a Trojan virus. This can happen to almostanyone connected to Internet.

They are much like the same as other computer viruses and are capableto destroy your PC to the same extent viruses, worms and othermalicious codes can do.

How Trojan virus enters into a computer system?

Trojan virus employs several medium and practices to enter in to acomputer system. There are some websites which offer freeware softwareand other utilities, which could be Trojans! So just be careful whiledownloading a freeware from any website on Internet.

The Trojans works only when they are executed. But the main drawbridgeof the Trojan virus is that it not only shows its adverse effects onyour PC but it will open the door for other malicious codes likespywares, adwares, worms and many others to enter into your computersystem.

Remove Trojan virus

Are you looking for a best Trojan virus remover tool? Then you havereached the right place where you will find links to some of the bestTrojan remover tools. There are several Trojan remover tools availableon the Internet but mentioned below are some of the best Trojan removaltools as per the customer reviews:

1. Trojan Remover
2. MalwareBytes
3. XoftSpySE
4. A-Squared Anti-Malware

You can also download a free version of Trojan virus removal tool toscan and protect your PC from Trojan virus. You don’t need to gainexpertise in removing Trojan virus but a safe practice and a rightdecision to download best Trojan removal software will help you a lotin removing the infection.

The best practice to fight against the Trojan virus is to first searchabout the software or any other utility before downloading it on toyour computer. This will prevent the virus from entering into yourcomputer system and also you will get authenticated software orutilities.

on Jan 29, 2010 | Computers & Internet

1 Answer

My dell mini is displaying lsass.exe - system error everytime i boot it up


HI gafleming27...

lsass.exe is a process which is registered as a trojan. This Trojan allows attackers to access your computer from remote locations, stealing passwords, Internet banking and personal data. This process is a security risk and should be removed from your system.
Do the following to get rid of the trojan
*********************************************************************************************************************
To remove a virus,trojan,worm,etc from your computer...do it the EASY way...let someone else do it for you.
Start your computer, as the computer is starting keep tapping the F8 Key.
This will start the computer in the Safe Mode.
Once in the safe mode go to the following webage below and download,install, and run Microsoft Safety Scanner for FREE.
Once you run the Microsoft Safety Scanner (it may take quite a while depending on the size of your hard drive) it will remove all the virus's,trojans,worms,etc it finds, if it does not completely remove them all you will be given a chance to chat with a Microsoft Professional thru a pop open window and he will take control of your computer (with your permission) and finish removing all the rest of the virus's, trojans, or worms that are on your computer for FREE!! Can't beat FREE!!
Please take time to rate me thumbs up
http://www.microsoft.com/security/scanner/en-ca/default.aspx

Sep 10, 2011 | Dell Inspiron Mini 10 Notebook

1 Answer

Laptop infected by W32/Blaster.worm


Hi oteyolasamue...
To remove a virus,trojan,worm,etc from your computer...do it the EASY way...let someone else do it for you.
Start your computer, as the computer is starting keep tapping the F8 Key.
This will start the computer in the Safe Mode.
Once in the safe mode go to the following webage below and download,install, and run Microsoft Safety Scanner for FREE.
Once you run the Microsoft Safety Scanner (it may take quite a while depending on the size of your hard drive) it will remove all the virus's,trojans,worms,etc it finds, if it does not completely remove them all you will be given a chance to chat with a Microsoft Professional thru a pop open window and he will take control of your computer (with your permission) and finish removing all the rest of the virus's, trojans, or worms that are on your computer for FREE!! Can't beat FREE!!
You have a virus,worm,trojan,etc on your computer.
Go to the following website and download,install and run the FREE Microsoft Safety Scanner.
Please take time to rate me

http://www.microsoft.com/security/scanner/en-ca/default.aspx

Sep 03, 2011 | Acer Extensa 4620 Notebook

2 Answers

16 bit MS-DOS Subsystem C:\ WINDOWS\system 32\wuauclt.exe The NTVDM CPU has encountered an illegal instruction. CS:Oe57 IP:fff8 OP:fe ff 57 Oe fe Choose 'close' to terminate the application repeated...


wuauclt.exe stays resident in the background and checks Microsoft website for the operating system updates.

Originally, wuauclt.exe is a legitimate system process that is located at C:\Windows\System32, but there are cases when wuauclt.exe is actually a disguised virus, Trojan or a worm.

If you find wuauclt.exe stored anywhere different from its original location, you should get really suspicious and scan your system for possible threats.

Search for the file and see if you have this in more than one location.
Your system might be infected.

Mar 06, 2011 | Toshiba Core 2 Duo Laptop Computer PC...

1 Answer

My computer is infected with something called security tool telling me i have worms, when in fact it is a worm. i cannot uninstall or even find it in files or programs the file name is 975937287.exe how do...


Its a fake anti virus program. The best thing is to search google for fake antivirus removal tool. Run this and after that get yourself a good anti virus program with buit in spyware remover to keep this from happening again.

Nov 13, 2010 | Free of Virus Remove Fake Antivirus

2 Answers

I keep getting a security tool in a red box on my screen that is messing up my computer the box has a large x circled and it states google toolbar user_32.exe is infected with Virus.DOT.MIPT.Mono.1063 The...


Hello!

It seems you've been infected,almost anything can be solved by using Maleware Byte's anti malware program,Link here http://www.malwarebytes.org/

Its important to not do anything that the so called "Security Tool" tells you to do,i.e send personal information or buy a program that claims to fix the problem,most of these viruses try to sell you an anti-virus/malware program !

Hope this helps!
- AriGold.

Nov 04, 2010 | Computers & Internet

2 Answers

Annoying program keeps coming up


You have a virus you need to install Malware anti virus and remove the virus. It is a virus and needs to be removed. The worms will get worse and do not give them any information at all

Feb 06, 2009 | Symantec Gateway Security 360 with...

2 Answers

Pop ups, infections, viruses ,worms


If you have Vista, try running Windows Defender within Vista. If that does not work, Spysweeper will get it.

Jun 06, 2008 | Toshiba Satellite A135-S4527 Notebook

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