Trojan:Win64/Sirefef.L
Threat Scorecard
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Popularity Rank: The ranking of a particular threat in EnigmaSoft’s Threat Database.
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See also Threat Assessment Criteria.
| Threat Level: | 80 % (High) |
| Infected Computers: | 32 |
| First Seen: | October 30, 2012 |
| Last Seen: | April 9, 2020 |
| OS(es) Affected: | Windows |
The detection of Trojan:Win64/Sirefef.L on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the integrity of your computer, allowing unauthorized access and control. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.
Table of Contents
What Is Trojan:Win64/Sirefef.L?
Trojan:Win64/Sirefef.L is a type of Trojan horse malware that targets 64-bit Windows operating systems. The name itself does not specify a particular malware family, but rather describes the type of threat and its target platform. Trojan horses are malicious programs that disguise themselves as legitimate software, allowing them to infiltrate a system without being detected. Once inside, they can cause a range of problems, from stealing sensitive information to disrupting system performance.
How Trojan:Win64/Sirefef.L Operates
Trojan:Win64/Sirefef.L, like other Trojan horses, operates by exploiting vulnerabilities in a system or deceiving users into installing it. It may arrive as an attachment in a spam email, be downloaded from a compromised website, or be installed through a software bundle. Once installed, it can communicate with its command and control servers to receive instructions, download additional malware, or transmit stolen data. The exact mechanisms of operation can vary, but the ultimate goal is to compromise the security and integrity of the infected system.
Symptoms of Infection
Identifying a Trojan:Win64/Sirefef.L infection can be challenging, as it often does not display obvious symptoms. However, signs of infection may include unusual system behavior, such as slow performance, frequent crashes, or unfamiliar programs running in the background. Additionally, you might notice changes in your browser settings, unexpected pop-ups, or suspicious network activity. Since Trojans can be designed to remain stealthy, it's crucial to rely on antivirus software for detection and to maintain vigilance in monitoring system activity.
How to Remove Trojan:Win64/Sirefef.L
- Boot your computer in Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all components of the Trojan.
- Uninstall any suspicious programs that were installed around the time of the infection. Be cautious and only remove programs you are certain are malicious or unnecessary.
- Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings changes made by the Trojan.
- Reboot your computer and perform another full scan to ensure that all remnants of the malware have been removed.
Conclusion
Removing Trojan:Win64/Sirefef.L requires a systematic approach to ensure all components of the malware are eliminated. By following the steps outlined above and maintaining good computer hygiene, such as keeping your operating system and software up to date, using strong antivirus protection, and being cautious with email attachments and downloads, you can protect your system from future infections. Remember, prevention and prompt action are key to securing your digital environment and safeguarding your personal data.
Aliases
15 security vendors flagged this file as malicious.
| Antivirus Vendor | Detection |
|---|---|
| Panda | Generic Trojan |
| AVG | Agent_r.AWT |
| Fortinet | W64/Sirefef.Q |
| Ikarus | Trojan.Win64 |
| Microsoft | Trojan:Win64/Sirefef.L |
| Antiy-AVL | Trojan/win32.agent.gen |
| Sophos | Troj/ZAccess-AE |
| AntiVir | BDS/ZAccess.AX.1 |
| Comodo | UnclassifiedMalware |
| BitDefender | Trojan.Agent.ATXT |
| Kaspersky | Backdoor.Win64.ZAccess.ax |
| eSafe | Win32.Backdoor |
| Avast | Win32:Sirefef-JQ [Trj] |
| Symantec | Trojan.Zeroaccess.B |
| F-Prot | W64/Malware!af00 |
SpyHunter Detects & Remove Trojan:Win64/Sirefef.L
File System Details
| # | File Name | MD5 |
Detections
Detections: The number of confirmed and suspected cases of a particular threat detected on
infected computers as reported by SpyHunter.
|
|---|---|---|---|
| 1. | x | 72de2dadaf875e2fd7614e100419033c | 28 |
