Virus Spyware Name = TrojanDropper:Win32/Sirefef.A!dll
Alert Level severe Category Dropper Protection starting from: 1.147.1205.0
Description : TrojanDropper:Win32/Sirefef.A!dll is a component of Win32/Sirefef – a multi-component family of malware that moderates your Internet experience by changing search results and generating pay-per-click advertising revenue for its controllers. The family consists of multiple parts that perform different functions, such as downloading updates and additional components, hiding existing components, or performing a payload.
Caution: Win32/Sirefef is a dangerous threat that uses advanced stealth techniques in order to hinder its detection and removal. If you are infected with Sirefef, we recommend you take the following steps to remove this threat from your computer:
Before you begin you will need:
– A computer that is not infected and is connected to the Internet. You will use this computer to download a copy of the Microsoft Safety Scanner
– A blank CD, DVD or USB drive. You will use this CD, DVD or USB drive to run the Scanner on your infected computer
- Download a copy of the Microsoft Safety Scanner from a clean, uninfected computer
- Save a copy of the Scanner on a blank CD, DVD, or USB drive
- Restart the infected computer
- Insert the CD, DVD, or USB drive into your infected computer and run the Scanner
- Let the Scanner clean your computer and remove any infections it finds
After running the Scanner, ensure that your antivirus product is up-to-date. You can update Microsoft security products by downloading the latest definitions at this link: Get the latest definitions.
As a consequence of being infected with this threat, you may need to repair and reconfigure some Windows security features. Please see Additional remediation steps in this entry for more information.
| Alert Level | severe |
| Category | Dropper |
| Protection starting from: | 1.147.1205.0 |
TrojanDropper:Win32/Sirefef.A!dll is a component of Win32/Sirefef – a multi-component family of malware that moderates your Internet experience by changing search results and generating pay-per-click advertising revenue for its controllers. The family consists of multiple parts that perform different functions, such as downloading updates and additional components, hiding existing components, or performing a payload.
Caution: Win32/Sirefef is a dangerous threat that uses advanced stealth techniques in order to hinder its detection and removal. If you are infected with Sirefef, we recommend you take the following steps to remove this threat from your computer:
Before you begin you will need:
– A computer that is not infected and is connected to the Internet. You will use this computer to download a copy of the Microsoft Safety Scanner
– A blank CD, DVD or USB drive. You will use this CD, DVD or USB drive to run the Scanner on your infected computer
- Download a copy of the Microsoft Safety Scanner from a clean, uninfected computer
- Save a copy of the Scanner on a blank CD, DVD, or USB drive
- Restart the infected computer
- Insert the CD, DVD, or USB drive into your infected computer and run the Scanner
- Let the Scanner clean your computer and remove any infections it finds
After running the Scanner, ensure that your antivirus product is up-to-date. You can update Microsoft security products by downloading the latest definitions at this link: Get the latest definitions.
As a consequence of being infected with this threat, you may need to repair and reconfigure some Windows security features. Please see Additional remediation steps in this entry for more information.
A new security threat known as TrojanDropper:Win32/Sirefef.A!dll has been discover by Security Expert . This type of security threat could cause harm to your computer if you do not have a good antivirus installed on your computer . . A good Antivirus Software will prevent TrojanDropper:Win32/Sirefef.A!dll from being installed and running on your computer . So make sure you have a good AntiVirus Software installed on your Computer to avoid this new virus or any other virus and or spyware from being installed .
Such as
- Computer Running Slow .
- Programs Failing to Open expecially all .exe file .
- Not able to connect to the Internet .
- Fake Virus Scanner that wont close
There are a lot more, But this are usually the symptom of your computer being infected with TrojanDropper:Win32/Sirefef.A!dll or some type of Virus and or Spyware . To best protect your computer from getting infected . Make sure to run a Virus Scan and Spyware Scanner on your Computer . Having a good Antivirus installed in your computer will help you avoid getting infected with TrojanDropper:Win32/Sirefef.A!dll and any other security threats .
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