Page 1


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.

Some Symptoms of Win64/sirefef.y Trojan

Infection:  1. This virus relocates your internet connection and informs you browsing activity is unsafely. 2. Desktop background image and Browser homepage settings are changed, the same as almost all Trojan infections.  3. This virus slows down your computer speed considerably. This includes opening program, shutting down your computer, and slowing down Internet.  4. This virus pops up annoying advertisements while you surfing the internet.  5. This virus will shut down your anti-virus and anti-spyware programs. This virus will also infect and corrupt your registry, making your computer totally bareness.  6. This virus will disable the proper running of many different programs, including such harmless ones as Notepad. This may include actual anti-malware software that you need to maintain system security.  7. This virus may reveal your personal information, which can lead to personal and property in unsafe condition.

Best Way to Remove Trojan:Win64/sirefef.y manually – Manual Removal Step by Step? • 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

Best Way to Remove Trojan:Win64/sirefef.y manually – Manual Removal Step by Step? • 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.

Best Way to Remove Trojan:Win64/sirefef.y manually – Manual Removal Step by Step? • Step 3: Delete malicious registry entries. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Activ e Setup\Installed Components\random HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Wind ows\CurrentVersion\policies\Explorer\run\Win64/sir efef.y Trojan • Step 4?Remove malicious files of Win64/sirefef.y Trojan win32rundll.exe dwm.exe audiohd.exe waudiohd.exe

Win64 Sirefef Y  
Win64 Sirefef Y