Nasty Trojan.Sirefef.OF

Trojan.Sirefef.OF belongs to Sirefef Trojan family which has developed many variants to torment PC users.  We have been told about the Trojan and did a search to find seldom information on trojan.sirefef.of, only with one description as below:

‘I have tried removal of this virus, but it defies all virus removers and doesn’t let me download further anti virus protection.’

More and more people come to us to say that they run into the same situation that delightful when informed to restart to fix the problem but later disappointed to get trojan.sirefef.of warning popped up again and again and always with ZAccess Rookit, backdoors that can be either contained within Trojan.sirefef.OF or loaded down via a backdoor opened up by sirefef.of randomly/according to commands from a remote server.

Don’t ever call in question that Trojan.Sirefef.of has that gift to escape from detection by various anti-virus programs.

To ensure that, Trojan.Sirefef.OF would firstly exploit web apps when you are surfing online, then straightly put its registry entries into the system to falsify the original ones including those of installed security programs.

Dangers Imposed by Trojan.Sirefef.OF

  1. Loads down junks in temp/roaming folders; generates repeated running process; inserts its run registry entry to ensure auto start at each Windows starts, all result in a sluggish computer performance;
  2. Widely open backdoor can be taken advantage by other aggressive virus such as playtous, ICSPA ukash virus;
  3. Rookit and backdoor involvement can make things worse to help trojan.sirefef.of to infect other programs including browser to get endless pop ups;
  4. Trojan.Sirefef.OF serves as a tool to scrape your account details and passwords to resell to spammers for easy income.

Trojan.Sirefef.OF would cause blue screen of death or simply lead you to a black screen with visible cursor when one tries to remove it forcibly. If you fit the situation well, you are welcome to follow the steps hereinafter

Easy Steps to Guide you through Trojan.Sirefef.OF Remove

Method 1: Remove Trojan.Sirefef.OF with Manual Steps

 

1. Reboot your computer and log into Safe Mode with Networking.

Step: Reboot your computer. As the computer is booting but before Windows launches, tap the “F8 key” continuously which should bring up the “Windows Advanced Options Menu” as shown below. Use your arrow keys to highlight “Safe Mode with Networking” option and press Enter key.

2. Show hidden files and folders.

a) open Control Panel from Start menu and search for Folder Options;

b) under View tab to tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then click OK;

c)click on the “Start” menu and then click on the “Search programs and files” box, Search for and delete these files created by Trojan.Sirefef.OF:

%Windows%\system32\consrv.dll
Counter-Strike Source.exe
9719831.exe
verupd.exe
wb.exe
system.exe
Windows.exe
WUDHost.exe

3: Please stop the processes related to Trojan.Sirefef.OF.
Press CTRL+ALT+DEL key to open Task Manager.

4. Go to the Registry Editor to delete entries related to Trojan.Sirefef.OF listed below

Hold down the Windows key on your keyboard and press the “R” button. Type in “regedit” and hit “Enter” to gain access to the Registry Editor.


Regedit:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\random
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run\Trojan.Sirefef.OF

5: Reset your IE

a) Open Internet Explorer. Click on the Tools menu and then select Internet Options.

b) In the Internet Options window click on the Advanced tab. Then click on the Restore Defaults button and then press OK.

Method 2: Remove Trojan.Sirefef.OF with SpyHunter (Recommended)

Spyhunter is one of few choices to clean PC that is infected with aggressive parasites. It can be used as additional tool to disable malware temporarily, or as main remover. In any way, it is a valuable tool in battle against malware.

Step 1. Download Spyhunter (from this link) to your desktop.

Step 2. Double-click the download file and follow the prompts to install the program.

Step 3. After the installation has been successfully completed, SpyHunter will download the latest definitions from Enigma Software Group servers.

Step 4. SpyHunter will start scanning your system automatically right after the installation has been completed successfully.

Step 5. Remove all malware or infected files have been detected by SpyHunter.

Video Sample Guide on How to Remove Trojan.Sirefef.OF

ATTENTION: be careful when you reach down to the kernel part of the system and deal with its malicious registry vlues, or unexpected puzzle such as BSOD will occur. If you want to avoid damages caused by mistaken operations, you are welcome to resort to download famous removal tool here to get rid of Trojan.Sirefef.OF.

VN:F [1.9.18_1163]
Rating: 10.0/10 (3 votes cast)
Trojan.Sirefef.OF: How to Remove Sirefef Trojan Permanently?, 10.0 out of 10 based on 3 ratings

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