Threat Database Trojans Trojan.Sirefef.BC

Trojan.Sirefef.BC

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 7,074
First Seen: September 3, 2012
Last Seen: August 30, 2022
OS(es) Affected: Windows

The detection of Trojan.Sirefef.BC on your system indicates a potential security threat. This report aims to provide you with general guidance on understanding and removing the detected threat. It's essential to note that the specific characteristics of Trojan.Sirefef.BC may vary, and this report focuses on general information about Trojan-type threats.

What Is Trojan.Sirefef.BC?

Trojan.Sirefef.BC is identified as a Trojan-type threat, which is a broad category of malware designed to deceive users into installing or executing malicious software. Trojans often disguise themselves as legitimate programs or files, making them difficult to detect. The name Trojan.Sirefef.BC suggests it belongs to a specific group of threats, but without more information, it's crucial to focus on the general characteristics of Trojans and how they operate.

How Trojan.Sirefef.BC Operates

Trojan-type threats typically operate by exploiting vulnerabilities in software or manipulating users into executing malicious code. Once installed, they can perform a variety of malicious actions, including but not limited to, stealing sensitive information, installing additional malware, or providing unauthorized access to the infected system. The exact operation of Trojan.Sirefef.BC would depend on its specific design and intent, which can vary widely among different types of Trojans.

Symptoms of Infection

Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common indicators include unexpected changes in system performance, such as slowed operation, frequent crashes, or unusual network activity. Some Trojans may also display fake alerts or messages attempting to deceive the user into performing certain actions that could further compromise the system's security.

  • Unexplained changes in system settings or performance.
  • Appearance of unwanted programs or tools.
  • Increased suspicious network activity.
  • Frequent system crashes or freezes.

How to Remove Trojan.Sirefef.BC

  1. Boot your system into Safe Mode with Networking to prevent the malware from loading and to allow for internet access for downloading removal tools.
  2. 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.
  3. Uninstall any recently installed programs that you do not recognize or that were installed around the time the malware was detected.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings changes made by the malware.
  5. Reboot your system and perform another full scan with your anti-malware tool to ensure that all malware components have been removed.

Conclusion

Removing Trojan.Sirefef.BC requires careful attention to detail and a systematic approach to ensure all components of the malware are eliminated. It's also crucial to adopt preventive measures, such as keeping your operating system and software up to date, using strong antivirus software, and being cautious when opening email attachments or downloading files from the internet. By understanding the general behaviors of Trojan-type threats and taking proactive steps, you can significantly reduce the risk of infection and protect your system's security and integrity.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
AntiVir TR/Sirefef.BC.316
Kaspersky Trojan-Ransom.Win32.PornoAsset.ashu
McAfee Trojan-FAOY!415A8CB2ACB3
Kaspersky Trojan-Ransom.Win32.Foreign.cgjh
McAfee ZeroAccess-FBVV!48691993D85A
AntiVir TR/Sirefef.BC.75
McAfee Artemis!05BB30E89D95
Fortinet W32/Zbot.FG
McAfee-GW-Edition Artemis!27500C1F264D
AntiVir TR/Drop.Sirefef.efe
Sophos Mal/Zbot-FG
McAfee ZeroAccess-FBVV!27500C1F264D
McAfee ZeroAccess-FBVV!DD3A7D8C4666
AntiVir TR/Kazy.170919.1
Sophos Mal/EncPk-AIT

File System Details

Trojan.Sirefef.BC may create the following file(s):
# File Name MD5 Detections
1. n 18c9393d1cd46e5b8aae24a91bc75f41 42
2. n. 05bb30e89d957824588962229ec2efa5 6
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