I think my computer has been infected a PUP.InstallCore.A Trojan virus. This morning I got a firewall alert from windows defender. It said that a Trojan hides deeply in some place. I don’t remember now. It seems it’s in local disk c. I have tried to open the folder where the virus is but I can’t find out the files of the virus. Who can help me get rid of it. I don’t want to damage my computer.
What is PUP.InstallCore.A Trojan Virus?
PUP.InstallCore.A is a crafty Trojan horse that detected by some famous anti-virus programs. It is the same stubborn as some other Trojans. As an offensive Trojan, it always tries to grasp any chance to invade the target system. This virus usually has a strong offensive to destroy information and files in a computer, result in the abnormal working of the computer, or more seriously, make the operating system unavailable. As a representative of Trojan, it won’t give up any chance to invade the target system. Before you find its true purposes, the infection has settled down in your computer. It tries its best to deceive innocent users. When it successfully invades into people’s computers, PUP.InstallCore.A Trojan will start its righteous work. This Trojan horse pours out all sorts of irritating advertisements, which makes you crazy.
When you see those horrible alerts from your anti-viruses, you must be very nervous and vexatious. There are many alerts imply your computer is infected with dangerous viruses. PUP.InstallCore.A Trojan can change Windows Explorer settings to download other malicious files from external servers. Have you ever seen such an irksome infection before? It is extremely important to drop everything that you are doing and to concentrate entirely on removing PUP.InstallCore.A Trojan from your machine. Many people who get infected such virus may don’t understand how their computers get infected; they don’t do anything but just browse some websites. They don’t know that when they browse websites the Trojan virus can access their PCs silently without your attention. The virus may hide in some unsafe sites that it will create a route to enter into people’s PC. Be careful whenever you surf on the internet.
In fact, if you often use an antivirus to protect your PC, you may find that common viruses can be killed easily. Only those which can blog or escape antivirus scanning can cause threat. PUP.InstallCore.A Trojan is not in the range of common viruses. It can easily hack your operating system even if you have an antivirus to protect your PC. So the really useful way to kill it is to remove it manually. Of course, to remove such virus needs professional skills. And if you can’t remove it by yourself, to find an expert in this field to remove the Trojan virus for you is necessary.
How to Judge If Your Computer Has Been Infected Trojan?
A. Your computer is something not normal as usual such as running very slowly.
B. When you open the Task Manager, you can find some strange progress which you never found before.
C. Some of your computer functions are unavailable or some normal legal program can’t run or there are unusual conditions of them.
D. It always constantly happens that your system has errors somewhere.
E. Later, your computer system will be totally destroyed.
What Is The Best Way to Remove Trojan ?
Depending on which level of risk of the Trojan has infiltrated your PC, you might find it is hard to get rid of this sophisticated worm. Some people have successfully cleaned out the stubborn worm, but since one of the primary functions of this virus is to disable security programs,so the method of using anti-virus program is not always a foolproof approach.
Please follow these steps to get rid of PUP.InstallCore.A Trojan manually:
Step 1: Press CTRL+ALT+DEL or CTRL+SHIFT+ESC. Open the Windows Task Manager.
If that didn’t work, try another way. Press the Start button and click on the Run option. This will start the Run tool. Type in taskmgr and press OK. This should start the Windows Task Manager
Step 2: Within the Windows Task Manager click on the Processes tab. Find the process by name. random.exe. Then scroll the list to find required process. Select it with your mouse or keyboard and click on the End Process button. This will kill the process.
Step 3: Delete malicious registry entries.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\random
Step 4: Remove malicious files of PUP.InstallCore.A Trojan
C:\windows\system32\services.exe (randomly named)
C:\Program Files\Search Results Toolbar\Datamngr\SRTOOL~1\random
Video of Key Steps on How to Modify or Change Registry to Completely Clean Trojan:
Further more, please be careful when you try to fix PUP.InstallCore.A Trojan problem yourself. It’s not so easy for one person who is not familiar with the virus and not well trained in IT filed. The virus can change its name constantly which will make the removal work harder to you. If you don’t have much knowledge of Windows operating system, you almost can’t find it out from so large amounts of system files. And you’d better don’t try so called free software to get rid of this PUP.InstallCore.A Trojan since the virus is well disguised that anti-virus may delete some system files erroneously. What’s more so called free software may be another cheater. You’d better to find an expert to help you remove this Trojan.
Kindly Reminder: If you failed to remove PUP.InstallCore.A Trojan with the methods you found from the internet, please consult YooSecurity certified professionals to remove it completely.
Published by Leo R. Oscar & last updated on September 1, 2013 12:27 pm