Trojan.Sirefef.AF
Threat Scorecard
EnigmaSoft Threat Scorecard
EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
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Popularity Rank: The ranking of a particular threat in EnigmaSoft’s Threat Database.
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Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Threat Level: | 80 % (High) |
| Infected Computers: | 3 |
| First Seen: | January 16, 2013 |
| OS(es) Affected: | Windows |
The detection of Trojan.Sirefef.AF on your system indicates a potential security threat that requires immediate attention. This report provides an overview of the threat, its characteristics, and steps to remove it from your system.
Table of Contents
What Is Trojan.Sirefef.AF?
Trojan.Sirefef.AF is a type of malware that can compromise the security and integrity of your computer system. The term "Trojan" refers to a broad category of malicious software that can disguise itself as legitimate programs or files, allowing it to evade detection and gain unauthorized access to your system. The specific characteristics and behaviors of Trojan.Sirefef.AF can vary, but its primary goal is to cause harm or exploit your system for malicious purposes.
How Trojan.Sirefef.AF Operates
Malware like Trojan.Sirefef.AF typically operates by exploiting vulnerabilities in software or using social engineering tactics to trick users into installing it. Once installed, it can communicate with its creators or other malicious entities to receive instructions or transmit stolen data. The malware may also attempt to download additional malicious components or create backdoors to allow remote access to your system. Understanding how Trojan.Sirefef.AF operates is crucial for developing effective strategies to detect, remove, and prevent future infections.
Symptoms of Infection
Identifying the symptoms of a Trojan.Sirefef.AF infection can be challenging, as they may resemble issues caused by legitimate software or system problems. Common indicators of a potential malware infection include slow system performance, unexpected pop-ups or advertisements, unfamiliar programs or icons, and changes to your browser settings or homepage. Additionally, you might notice unusual network activity, unexpected crashes, or error messages that cannot be explained by normal system operation. If you suspect that your system is infected, it is essential to take prompt action to mitigate the threat.
How to Remove Trojan.Sirefef.AF
- Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for easier removal.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all components of the malware.
- Uninstall any suspicious programs or applications that you do not recognize or that were installed around the time the malware was detected.
- Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or changes made by the malware.
- Reboot your system and perform another full scan with your anti-malware tool to ensure that all remnants of the malware have been removed.
It is crucial to follow these steps carefully and consider seeking professional help if you are not comfortable with the removal process or if the problem persists after attempting to remove the malware.
Conclusion
The removal of Trojan.Sirefef.AF requires a systematic approach to ensure that all components of the malware are eliminated from your system. By understanding the nature of the threat, recognizing the symptoms of infection, and following the recommended removal steps, you can protect your system from this and similar threats. Remember, prevention is key; keeping your operating system, software, and security tools up to date, along with practicing safe computing habits, can significantly reduce the risk of future malware infections.
Aliases
15 security vendors flagged this file as malicious.
| Antivirus Vendor | Detection |
|---|---|
| AVG | ZeroAccess.M |
| Fortinet | W32/Sirefef.DA |
| Ikarus | Trojan.ZeroAccess |
| AntiVir | TR/Sirefef.RF |
| eSafe | Win32.TRSirefef.Rf |
| Symantec | Trojan.ADH.2 |
| McAfee | Trojan-FAFL!2CDD68758BAA |
| AVG | Hider.PUW |
| Fortinet | W32/ZAccess.G |
| Ikarus | Rootkit.Win32.ZAccess |
| AhnLab-V3 | Win-Trojan/Zaccess.75264.C |
| Microsoft | Trojan:Win32/Sirefef.AF |
| Antiy-AVL | Virus/Win32.ZAccess.gen |
| AntiVir | TR/Rootkit.Gen2 |
| Comodo | UnclassifiedMalware |
SpyHunter Detects & Remove Trojan.Sirefef.AF
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. | smb.sys | 2cdd68758baaafb9a738dff177e374b8 | 2 |
| 2. | mrxsmb.sys | 69a23ed79d3167e8331179b497b0cf76 | 1 |
