A new Trojan virus Win32:sirefef-aoo detected in file ‘c:\windows\system32\services.exe. It looks as it is a variant of Win32:SirefefAAO[Trj]. My Anti-Software, keeps notifying the virus every minute or so, if your avast shield is running is there any risk for you? What are these viruses anyway?

What is Win32:Sirefef-AOO[Trj]? How big is the threat?

Win32:sirefef-aoo is a new Trojan detected by anti-virus software Avast.  When you connect your PC to the Internet, you open up a whole new world of adventure and information for you and your family. Unfortunately, you also open up a new world of potential dangers—viruses, spyware, computer attacks. When your computer was infected with win32:sirefef-aoo trj then you also got infected by Win32:Sirefef-AAO[Trj] or the two viruses: win32:Malware-gen + aswMBR.  If you’re like most users, a large portion of the messages delivered to your email Inbox are unsolicited, unauthorized, and unwanted—in other words, spam. These spam messages are the online equivalent of the junk mail you receive in your postal mailbox, and they’re a huge problem. Then please take care when you are surfing online. Don’t post your primary email address in public forums, on message boards, in blogs, or on your own web page or Facebook/MySpace page. Once picked up the virus, you must Hurry up to get rid of Win32:sirefef-aoo virus from your computer permanently!

To make your computer green, you can follow the guide here (For advanced computer users), or contact YooCare PC Experts online for solutions:

Key sentences to judge if your computer has been infected this Trojan Virus

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. Lately, your computer system will be totally destroyed.

What do i do if anti-virus didn’t help to get rid of Win32:sirefef-aoo Virus?

Have  you got a big problem? All last few days your PC has been moving slower so you did a full scan with avast and it picked up this new virus. But today avast keep saying it blocked a threat call sirefef-aoo[tri] and it keep reoccurring every 1-2 minutes and you don’t know what to do.. Help!!!!!!!!!! Well, it is annoying, you are not only attacked by the Win32:sirefef-aoo Virus, but also get the win32:Malware-gen virus. This is driving you crazy, but not only you but many people get suck and was about to throw the computers out of the window. Fortunately, it’s easy to protect your computer and your family from these dangers. Manual removal of Win32:sirefef-aoo Virus step by step guide is below.

Best Way to Remove Win32:sirefefaoo Step by Step?

Please follow these steps to get rid of the Win32:sirefef-aoo virus 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
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run\random

Step 4

‘Remove malicious files of Win32:sirefef-aoo virus

C:\windows\system32\services.exe
C:\Windows\assembly\GAC_32\Desktop.ini
C:\Windows\assembly\GAC_64\Desktop.ini

Video of Key Steps on How to Modify or Change Windows Registry to completely clean sirefef-aoo virus:

If you have some PC skills, then you are supposed to kill the harmful virus that detected by the Avast anti-virus program, but if the virus already infected most of your system files, then you must take care before deleting anything related to the Win32:sirefef-aoo Virus, otherwise, you will just make your computer crash down or everything get messed up. So you had better to request support from computer guys who specialize in virus removal. What is more, spending a few minutes a week on preventive maintenance can save you from costly computer problems in the future.

Kindly Reminder: If you failed to remove Win32:sirefef-aoo virus with the methods you found from the internet, please consult YooSecurity certified professionals to remove it completely.

Published by Matt Johnston & last updated on November 22, 2012 3:09 pm

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