Trojan:Win64/Sirefef.Q
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.
EnigmaSoft Threat Scorecards display a variety of useful information, including:
Popularity Rank: The ranking of a particular threat in EnigmaSoft’s Threat Database.
Severity Level: The determined severity level of an object, represented numerically, based on our risk modeling process and research, as explained in our Threat Assessment Criteria.
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: | 250 |
| First Seen: | October 8, 2012 |
| Last Seen: | January 3, 2024 |
| OS(es) Affected: | Windows |
The detection of Trojan:Win64/Sirefef.Q 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, steal sensitive information, and disrupt your online activities. 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.Q?
Trojan:Win64/Sirefef.Q is a type of Trojan horse malware that targets Windows 64-bit operating systems. The name itself does not directly indicate a specific malware family, but rather a detection category. Trojans are malicious programs that disguise themselves as legitimate software, allowing them to bypass security measures and gain unauthorized access to a computer system. Once inside, they can cause a wide range of problems, from stealing personal data to installing additional malware.
How Trojan:Win64/Sirefef.Q Operates
The exact operation of Trojan:Win64/Sirefef.Q can vary, but common behaviors of Trojan horses include creating backdoors for remote access, downloading and installing other malware, and spying on the user's activities. They can also modify system settings, disable security software, and disrupt network communications. The primary goal of such malware is often to exploit the infected system for financial gain, whether through direct theft, ransom demands, or by using the system as part of a larger botnet for malicious activities.
Symptoms of Infection
Identifying a Trojan infection can be challenging because these malware types are designed to operate stealthily. However, several symptoms may indicate the presence of Trojan:Win64/Sirefef.Q or similar malware. These include unexpected changes in system performance, such as slower operation, frequent crashes, or unusual network activity. You might also notice new, unfamiliar programs or toolbars in your browser, or find that your security software is disabled. In some cases, you might receive warnings from your firewall about suspicious outgoing connections.
How to Remove Trojan:Win64/Sirefef.Q
- Start 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 traces of the malware.
- Uninstall any suspicious programs or applications that you do not recognize or that were installed without your consent.
- Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings changes made by the malware.
- Reboot your computer and run another full scan with your anti-malware software to ensure that all malware components have been removed.
Conclusion
Removing Trojan:Win64/Sirefef.Q requires careful and thorough action to ensure that all components of the malware are eliminated from your system. It's also crucial to take preventive measures to avoid future infections, such as keeping your operating system and software up to date, using strong antivirus protection, and being cautious when opening email attachments or downloading software from the internet. By understanding the risks associated with Trojan horses and taking proactive steps, you can protect your computer and your personal data from these and other types of malware threats.
Aliases
15 security vendors flagged this file as malicious.
| Antivirus Vendor | Detection |
|---|---|
| Fortinet | PossibleThreat |
| Sunbelt | VIPRE.Suspicious |
| ClamAV | Pua.Hideexec |
| McAfee+Artemis | Artemis!A07A11531CBD |
| AVG | Generic30.ELU |
| McAfee-GW-Edition | Heuristic.LooksLike.Win32.Suspicious.C!83 |
| AntiVir | TR/Ransom.GY.1 |
| Kaspersky | Trojan-Ransom.Win32.Gimemo.astx |
| eSafe | Suspicious File |
| Avast | Win32:Ransom-WL [Trj] |
| Symantec | Bloodhound.MalPE.B |
| CAT-QuickHeal | Trojan.Gimemo.ast |
| AntiVir | Rkit/Agent.4381405.2 |
| McAfee | Artemis!0A76B7341A62 |
| AVG | AdInstaller.InstallQ |
SpyHunter Detects & Remove Trojan:Win64/Sirefef.Q
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. | updates.exe | 49afac14af6ecdb8cf30258ca6eda8f0 | 82 |
| 2. | R-KILL.COM | b78a4515305b96f431bb158ed880e54b | 67 |
| 3. | xivwxuaggnirrpeecys.exe | c061e11e181c21f3e4b7c47e1f2c553d | 4 |
| 4. | ComboFix.exe | 0a76b7341a6205186b86b0180c338e9f | 2 |
| 5. | 8a3a7c57.dll | 5f3d6844a97f533f5155572abda36523 | 2 |
| 6. | ntservice1.dll | a9e7a3fe06d451dd5dd1d3dcb060e467 | 1 |
