Trojan:Win64/Sirefef.Eis identified as hazardous Trojan horse which gets into a computer without user’s consent. Trojan:Win64/Sirefef.E comes from the same family as Trojan:Win64/Sirefef.C and Trojan:Win64/Sirefef.D. When it breaks in your computer, Trojan:Win64/Sirefef.E makes changes to system file and entry so as to mess the system up. It adds malicious files or modifies certain system file. Also, it creates additional registry entries. Soon you will find your computer running abnormally, without access to certain file or program. Your computer will be made running extremely slow, because Trojan:Win64/Sirefef.E virus is taking large amount of system resources. The computer will randomly crash or you will get annoying crash reports. Trojan:Win64/Sirefef.E may embed malicious code to your browser and redirect your search results to unwanted website from which more malware can be brought to your computer.
Trojan:Win64/Sirefef.E virus uses rootkit code to block installed removal tool or shut down firewall. You may have top antivirus program available, but Trojan:Win64/Sirefef.E virus still get through. Like, some of victim users have MSE installed on their computers, MSE is not able to delete Trojan:Win64/Sirefef.E, even though it detects the virus. You may ask why. That’s because Trojan:Win64/Sirefef.E virus contains the code that has been changed so antivirus programs just can’t keep up to remove the virus.
Fortunately, there is still solution to get rid of the Trojan:Win64/Sirefef.E virus- manual removal which is the most recommended way, also the only effective way.
How to manually removeTrojan:Win64/Sirefef.E virus?
1. Find and stop Trojan:Win64/Sirefef.E associated processes:
2. Locate and delete Trojan:Win64/Sirefef.E associated files:
%AllUsersProfile%\Application Data\.exe(looks like Trojan:win64/sirefef.E)
3.Detect and remove Trojan:Win64/Sirefef.E related registry entries:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “.exe” HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “Trojan:win64/sirefef.E” HKEY_CURRENT_USER\Software\Wow6432Node HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run “Trojan:win64/sirefef.E”
Manual removal of Trojan:Win64/Sirefef.E is known as the most effective way. Anyway, it refers to key parts of computer system, and is recommended only for advanced users. If you have not sufficient expertise on doing that, you may face risk of damaging the computer. In this circumstance, asking help from online expert to manually remove the virus for you will be a wise choice.
Another solution can be found here: http://www.articlesbase.com/
And another solution with recovery mode (Farbar Recovery Scan Tool) windows 7 : http://www.techspot.com/
Reference: http://cleanallvirus.blogspot.ro/, 03.07.2012