Remove Troj_Sirefef.kby even though it is found in system installer files

Troj_Sirefef.kby is a variety of Sirefef malware. It never walks alone as the threat belongs to a multi-component infection.
Subject to detection approach applied it is reported as a single trojan or dissolves in the complex malware it belongs to.
Removal of Troj_Sirefef.kby is associated with one vividly discussed obstacle that prevents its detectors from killing the rogue, namely that it is installed onto the location containing system installer files. Indeed, rash decisions and actions are not appropriate for threats lurking there, since a slightest error might result in Windows crash.
Get rid of Troj_Sirefef.kby gently cleaning the directory it is resident to, be it white-listed area, temporary folder or any other part of your computer memory – rely on verified free scanner to be installed through this secure link. Needless to say, the trojan’s allies will be recognized, located and wiped off at once.

Troj_Sirefef.kby details:

Type: Trojan horse, Malware

Detection date: 11.07.2012

URL: blocked\not detected

Risk:

Malicious behaviour:

Troj_Sirefef.kby may be difficult to remove manually;
Troj_Sirefef.kby may download and install additional malware;
Troj_Sirefef.kby may slow your PC;
Troj_Sirefef.kby may cause system errors and slowdowns, popup ad’s.

How to remove Troj_Sirefef.kby virus?

You can choose how to eliminate Troj_Sirefef.kby infection. Use manual removal guide or delete it automatically:

1. Manual removal process

It is understood that removing Troj_Sirefef.kby manually you deal with only one infection. To get rid of other infections manually you need to find and use other relevant guides. Furthermore, how will you know if there are other threats to exterminate?

To remove Troj_Sirefef.kby infection – delete its files and disable processes (in Task Manager):

%AllUsersProfile%\Win32/random.exe

After that, remove Troj_Sirefef.kby registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\ CURRENTVERSION\RUN\ random.exe

2. Automatic Troj_Sirefef.kby removal

Antimalware program is a good choice enabling users to clean computer system of all its infections at once, or at least to find out which threats to eliminate. It might happen that Troj_Sirefef.kby malware blocks downloading or installation of antivirus capable of its deleting. If that is the case, don’t give up! Try the following tips to escape the malware aggression:

- rename executable of the downloaded antimalware to “explorer.exe” and run it;

- try to install remover from Safe Mode (press F8 when Windows starts);

- try to download Troj_Sirefef.kby removal tool from uninfected PC and transfer it to infected, using pen-drive.

If you need further help in using the manual directions or downloading the removal tool, please leave your query as a comment below.