“Attempting to close IE window (IE 8), got a fake Windows message – your computer is infected. I went to Task Manager, ended the IE and Message programs and immediately shut the PC down…”—- A victim describes how he get infected Trojan:Win32/Sirefef.K Virus. People often don’t know how to start to clean such Trojan virus. Here, a practical solution is stated as follows.

Nature of Trojan:Win32/Sirefef.K

If have to give a classification of such Trojan as Trojan:Win32/Sirefef.K, it belongs to rootkit that is bundled with Trojan:Win32/Sirefef.AG. A rootkit is a collection of one or more tools designed to covertly gain control authority of a computer. Trojan:Win32/Sirefef.K is a component of Win32/Sirefef – a multi-component family of malware Trojan.Win32.Sirefef (Ikarus); Mal/Sirefef-K (Sophos); TROJ_SIREFEF.CL (Trend Micro) that moderates an affected user’s computer performance and picked up by Microsoft Security essentials(MSE).  Initially rootkits appeared on the UNIX operating systems (including Linux) and were a collection of one or more tools which allowed an attacker to gain and keep access to the most privileged user on the computer (on UNIX systems this user is called ‘root’ – hence the name) On Windows based systems, rookits have more commonly been associated with tools used for hiding programs or processes from the users. Trojan:Win32/Sirefef.K also belongs to a Trojan dropper. A dropper Trojan contains malicious or potentially unwanted software which it ‘drops’ and installs on the affected system. Commonly, the dropper installs a backdoor which allows remote, surreptitious access to infected systems. This Trojan:Win32/Sirefef.K backdoor may then be used by remote attackers to upload and install further malicious or potentially unwanted software on the system. This threat is detected by the Microsoft antivirus engine. Technical details are not currently available.When installed a Windows rootkit uses functions in the operating system to hide itself, so as not to be detected, and is often used to hide other malicious programs such as keystroke loggers. The use of rootkits is not necessarily malicious, but they have come to be increasingly associated with undesirable behavior and malicious software. All bundled malware and these malicious dropping codes can hide in your system, processes, program files, dll files and folders to damage your PC system seriously. In such cases, it is very difficult for antivirus tools to detect all infected items and eliminate them from your PC completely. If your PC has been infected Trojan:Win32/Sirefef.K virus, please spare no effort in seeking solutions to delete is forever! Read the rest of this post »

A person once tweeted that his computer had been running very slowly. Microsoft Security Essentials had picked up two viruses. One of them is Exploit:JS/Blacole.FW. And a window appeared in the bottom right hand corner of the desktop saying: “Clean computer”. Today, let’s have a quick learning of how to remove Exploit:JS/Blacole FW manually.

Key features of Exploit:JS/Blacole.FW

Before we can easily remove Exploit:JS/Blacole.FW, we have to know what exactly it is. As the person who has been caught by this virus says, when you get infected such virus, your computer runs more and more slowly. Exploit:JS/Blacole.FW is always comes with Exploit:JS/Blacole.AL. Through in your computer there is security guard software to protect your computer, it appears that even if the most excellent antivirus is hopeless for cleaning it completely. What was worse, the antivirus itself may be band by the virus because it will bring in much other malware and rogue anti-spyware to crash your system. Exploit:JS/Blacole.FW is really an extremely tiny Trojan with powerful sustaining strength. The most dangerous part of this Trojan is not from itself but from those follow-up series viruses it  import to your computer. As many Trojan common features show us, this Trojan also militates through background. So it’s also hard to detect by normal anti-spyware. The background progress is actually provides all the personal information covertly to the hackers who run the show behind your back. This will lead to more danger such as property loss and Mental damages if the hackers make use of your information to do something illegal.  Such virus should be removed as soon as you find it. Maybe when you find it, the virus has not done much harm to you. Or it just as if stays there but doesn’t do anything bad to you. If you think so and let it alone, I may very responsibly tell you that you will be regretful. Get infected by Exploit:JS/Blacole.FW? Hurry up to drag it away from your computer forever! Read the rest of this post »

“Oh, God! I have spent almost whole day tangling with Win64/sirefef.y Trojan, any solution I tried is useless. I’m going to throw away my computer!” This is one of victims’ complain when he gets infected  Win64/sirefef.y Trojan. The repulsive virus may make you crazy. Is there an effective way do kill it? This article will tell you the answer!

How does Win64/sirefef.y Trojan work to infect your PC?

Win64/sirefef.y Trojan is a deceitful Trojan that installs rootkits and all kinds of malicious programs and fake defraggers. Microsoft security essentials identified it as Trojan:win64/sirefef.y, it just would not let you run any programs to try to fix it. Not it has gone to rebooting a minute after windows starts. You can only use another computer or iPhone to search for solutions as your computer has the Trojan that shuts it down within 2 minutes of start up. This backdoor may then be used by remote attackers to upload and install further malicious or potentially unwanted software on the system. This threat is detected by the Microsoft antivirus engine. Technical details are not currently available. Win64/sirefef.y Trojan is a malicious Trojan horse that is designed by cyber criminals to attack your PC and activate many malicious activities on purpose. Once infected with the sirefef virus, your computer reboots before being able to run anything. You have tried safe mode, regular mode, regular mode with networking, safe mode with command prompt, System Recovery then command prompt, nothing help. The nasty Trojan infection can install itself automatically and invade your PC aggressively, which brings you great pain. In fact, it attacks your computer with many bundled malware and drops numerous codes in your computer such as spyware and adware parasites and so on. All bundled malware and these malicious dropping codes can hide in your system, processes, program files, dll files and folders to damage your PC system seriously. In such cases, it is very difficult for antivirus tools to detect all infected items and eliminate them from your PC completely. As the Trojan can also attack your antivirus program and prevent it from taking effective. Read the rest of this post »

Your computer keeps reoccurring “ Surefuf.AK” in windows 7, vista or XP?  Have you racked your brain to search solutions to get rid of the virus? MSE cannot deal with it on its own and it just says to restart to finish but the virus show up again? If so, it’s time to follow this article to seek a better method!

What the real essence of Trojan:Win32/Sirefef.AK

Trojan:Win32/Sirefef.AK is a threat classified as a Trojan dropper detected by MSE or NOD 32 ESET. As its name suggests, a dropper trojan contains malicious or potentially unwanted software which it ‘drops’ and installs on the affected system. Commonly, the dropper installs a backdoor which allows remote, surreptitious access to infected systems. This backdoor may then be used by remote attackers to upload and install further malicious or potentially unwanted software on the system. This threat is detected by the Microsoft antivirus engine. Technical details are not currently available.

It is the same series with Trojan:Win32/Sirefef.AG,  similar to Win32:Sirefef-PL or Trojan.Win64/Sirefef.W. Generic. Trojan:Win32/Sirefef.AK is a malicious Trojan horse that is designed by cyber criminals to attack your PC and activate many malicious activities on purpose. Like many nasty Trojan infections it can install itself automatically and invade your PC aggressively. It will changes its name so computer users will be shown by different anti-virus applications with different names. But the purpose is the same, to destroy your computer. First Trojan:Win32/Sirefef.AK will drop malicious codes into your system, processes, program files, dll files and folders, then uses the terrible spy codes to damage your PC system seriously. It is very difficult for antivirus tools to eliminate the virus from your PC completely for it mutates every time. As the Trojan can also attack your antivirus program and prevent it from taking effective. Read the rest of this post »

Trojan horse viruses have obvious features: tiny and covert, tremendous and powerful damage, difficult to clean up, etc. Cyber cribbers resort to extreme measures to programme and improve various Trojan to create more and more invasion to personal computers. Trojan:Win32/Sirefef.AG is such Trojan which has been spreading widely around the world.

To have a better understand of Trojan:Win32/Sirefef.AG

Trojan:Win32/Sirefef.AG is a crafty trojan horse that detected by Microsoft Security Essentials Internet Security tool. It is the same stubborn as Win32/sirefef.eb, Win32:Sirefef-AO[Rtk]. As an offensive Trojan, it always tries to grasp any chance to invade the target system. Trojan:Win32/Sirefef.AG usually has a strong offensive to destroy information and files in a computer, resulting in the abnormal working of the computer, or more seriously, making the 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 users’ hearts to believe it, Trojan:Win32/Sirefef.AG will pretend to start its righteous work. Trojan:Win32/Sirefef AG pours out all sorts of irritating advertisements, which make you crazy. And it will tell you that your computer is in in danger. When you see those horrible alerts, you must be very nervous and vexatious. There are many alerts imply your computer is infected with dangerous viruses. Next Trojan:Win32/Sirefef.AG claims to help you remove all the threats in your computer. However, it is Trojan Win32 Sirefef AG itself that bring in the real danger and damages to your computer. It 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 Trojan:Win32/Sirefef AG from your machine. Many people who get infected such virus may don’t understand how they get infected; they don’t do anything but just browse some websites. They don’t know that when they browse websites the Trojan:Win32/Sirefef.AG 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. Read the rest of this post »

Have a problem with Trojan Horse Generic27.BTAL? Have spent the whole day and tried multiple tools online but failed to clean the terrible virus? Since virus removal tools didn’t help what should i do to delete Trojan Horse Generic27.BTAL completely?

Trojan Horse Generic27.BTAL Description

Trojan Horse Generic27.BTAL is a deceitful Trojan AVG anti-virus software. It is the same stubborn as Win32/sirefef.eb. And this is a highly dangerous Trojan which can access the compromised PC system through the security holes. It can be detected by AVG antivirus. However, many victims are still getting in the trouble of successfully removing this Trojan since it always comes back after reboot even if AVG reports it is cleaned last time. Trojan Horse Generic27.BTAL is extremely dangerous as well as deceptive. Once downloaded, it may perform a variety of activities which will harm your computer. It will slow down your PC performance and download malicious files on the compromised computer on the background. Also the Trojan is able to open the backdoor to invite the remote server, and then try to attack the weak administrator passwords and steal your personal information. What’s worse, Trojan Horse Generic27.BTAL may change your network traffic and make the network connection disabled all the time. In a word, from the time you get this pesky Trojan installed, your computer will totally messed up. Numerous annoying advertisements may pop up on your PC screen. Browser may be redirected to a harmful site without your approval. This Trojan uses system vulnerabilities of the computer for dropping its components and corrupting other files. It hides deeply in an infected computer so that there is no security tools can remove it completely. Hence, in order to secure the stability and normal operation of an infected PC, it is suggested users to remove Trojan Horse Generic27.BTAL manually from the infected machine as soon as possible.
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Is your computer infected with Troj/Sirefef-AP Virus and you have no clues on how to remove it from your computer? Or anti-virus claims it can delete it but after a boot it remains?

A Complete Definition of Troj/Sirefef-AP Virus

Troj/Sirefef-AP is an annoying Trojan horse that detected by Sophos anti-virus software. It is the same stubborn as Win32:Sirefef-PL or Trojan.Win64/Sirefef.W and detected by Kaspersky as HEUR:Backdoor.Win64.Generic. Troj/Sirefef-AP is a malicious Trojan horse that is designed by cyber criminals to attack your PC and activate many malicious activities on purpose. Like many nasty Trojan infections  it can install itself automatically and invade your PC aggressively. It will changes its name so computer users will be shown by different anti-virus applications with different names. But the purpose is the same, to destroy your computer.  First Win32:Sirefef-PL [Rtk] will drop malicious codes into your system, processes, program files, dll files and folders, then uses the terrible spy codes to damage your PC system seriously. It is very difficult for antivirus tools to eliminate the virus from your PC completely for it mutates every time. As the Trojan can also attack your antivirus program and prevent it from taking effective.

In a word, Troj/Sirefef-AP endangers your Internet environment and slows down your PC system performance. Moreover, the hazardous Trojan horses modify your system settings, registry settings and critical files to record your precious information as much as possible to gather your money and perform illegal activities. So what we will do it to get rid of Win32:Sirefef-PL [Rtk] Trojan horse from your computer completely before any further unpredictable damage occurs to your computer. Since anti-virus software won’t be able to help, you can manually delete Troj/Sirefef-AP with the guide here. Read the rest of this post »

Have a problem in dealing with Win32:Sirefef-AO [Rtk]? Have spent the whole day and tried multiple tools online but failed to clean the terrible virus? Since virus removal tools didn’t help what should i do to delete Win32:Sirefef-AO [Rtk] completely?

A Complete Definition of Win32:Sirefef-AO [Rtk]

Win32:Sirefef-AO [Rtk] is a deceitful Trojan that installs rootkits and generates google redirect virus. It is the same stubborn as Win32/sirefef.eb but detected by avast security tool. Win32:Sirefef-AO [Rtk] is a nasty Trojan horse  detected or blocked by avast! File System Shield that spreads via various furtive ways. This Trojan virus is used by remote cyber criminals to do many illegal and destructive behavior on your computer. Win32:Sirefef-AO [Rtk] always popped up with Win32:Hoblig-B [Heur], Win64:Sirefef-A [Trj]. This Trojan virus may install your computer without your permission and start to work automatically while you start your Windows. After installed in your computer system, this Trojan virus may create many associated unsafe files and registry entries into your Windows folders, which can not be completely deleted because these files will be hide. Even your security tools caught the virus and delete it, it is possible that this Trojan virus come back to disturb you. This Trojan virus may disable you security software and modify your system settings. When your computer has been infected with this Win32:Sirefef-AO [Rtk] virus, your security software will warn you your computer is in a threat. And if you can not remove this virus from your computer as soon as possible, it will damage your system files and even make your system crash. Please keep in mind that this infection needs to be removed as soon as possible. The longer it stays, the more damages will be caused on your computer. Get it off your computer as quickly as you can. Read the rest of this post »

Is your computer infected with Win32:DNSChanger-VJ [Trj] Virus and you have no clues on how to remove it from your computer? Or anti-virus claims it can delete it but after a boot it remains?

A Complete Definition of  Win32:DNSChanger-VJ [Trj]

Win32:DNSChanger-VJ [Trj] is a deceitful Trojan that installs rootkits and rascal software like fake security programs and fake defraggers. It is the same stubborn as Trojan.Win64/Sirefef.W. Win32:DNSChanger-VJ [Trj] is a malicious Trojan horse that is designed by cyber criminals to attack your PC and activate many malicious activities on purpose. Once infected, it pops up many pesky advertisements on your screen and frequently redirects your specified websites to unwanted and malicious web pages. The nasty Trojan infection can install itself automatically and invade your PC aggressively, which brings you great pain. In fact, it attacks your computer with many bundled malware and drops numerous codes in your computer such as spyware and adware parasites and so on. All bundled malware and these malicious dropping codes can hide in your system, processes, program files, dll files and folders to damage your PC system seriously. In such cases, it is very difficult for antivirus tools to detect all infected items and eliminate them from your PC completely. As the Trojan can also attack your antivirus program and prevent it from taking effective.

Generally, Win32:DNSChanger-VJ [Trj] endangers your Internet environment and slows down your PC system performance greatly. It not only redirects your web searches, but also traces your Internet browser activities to steal your valuable information such as online banking account and password. Moreover, the hazardous Trojan horse can modify your system settings, registry settings and critical files to record your precious information as much as possible to gather your money and perform illegal activities. If you keep the stubborn Trojan threat in your PC too long, you’ll suffer from PC system crash permanently. Indeed, you’d better remove the hostile Trojan horse from your computer completely before any further unpredictable damage occurs to your computer. Since anti-virus software won’t be able to help, you can manually get rid of Win32:DNSChanger-VJ [Trj] with the guide here. Read the rest of this post »

Trojan horse viruses have obvious features: tiny and covert, tremendous and powerful damage, difficult to clean up, etc. Cyber cribbers resort to extreme measures to programme and improve various Trojan to create more and more invasion to personal computers. Trojan:DOS/Alureon.E is such Trojan which has been spreading widely around the world.

To have a better understand of Trojan:DOS/Alureon.E

Trojan:DOS/Alureon.E is a horrible trojan horse as well as evil virus that detected by Microsoft Security Essentials or avast security. It is bigger than Win32/sirefef.eb. Also, many victims said :”Malwarebytes, Stinger, Mcafee, AVG, Norton, TDSSKiller and others don’t even find the malware”. The error codes people always get from Security Essentials are: 0x80070032, 0x800704ec and 0x80501001. As an offensive Trojan, it always tries to grasp any chance to invade the target system. Trojan horse DOS/Alureon.E usually has a strong offensive to destroy information and files in a computer, resulting in the abnormal working of the computer, or more seriously, making the 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, sometimes you are unable to connect to the Internet. When it successfully users’ hearts to believe it, Trojan:DOS/Alureon.E will pretend to start its righteous work. Trojan:DOS/Alureon.E pours out all sorts of irritating advertisements, which make you crazy. And it will tell you that your computer is in in danger. When you see those horrible alerts, you must be very nervous and vexatious. There are many alerts imply your computer is infected with dangerous viruses. Next Trojan:DOS Alureon E claims to help you remove all the threats in your computer. However, it is Trojan:DOS/Alureon.E itself that bring in the real danger and damages to your computer. It can change Windows Explorer settings to download other malicious files from external servers. This virus effects both 32 bit and 64 bit operating system. In windows operating system 64 bit, the kernel drivers are required to pass the signature verification in order to load. Thus, windows operating system 64 bit, this virus adopts another way to complete their own installation. Read the rest of this post »