Threat Database Trojans Trojan.Sefnit.E

Trojan.Sefnit.E

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 1,909
First Seen: November 30, 2010
Last Seen: January 10, 2022
OS(es) Affected: Windows

The detection of Trojan.Sefnit.E on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security and integrity of your computer, potentially leading to unauthorized access, data theft, and other malicious activities. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.

What Is Trojan.Sefnit.E?

Trojan.Sefnit.E is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate programs or files. Trojans are often used to gain unauthorized access to a computer system, allowing attackers to steal sensitive information, install additional malware, or use the infected computer for malicious purposes. The name Trojan.Sefnit.E suggests that it is a specific variant of Trojan malware, but the exact nature and behavior of this threat can vary.

How Trojan.Sefnit.E Operates

Trojan.Sefnit.E, like other Trojans, operates by deceiving users into installing or executing the malware. This can happen through various means, such as opening malicious email attachments, clicking on infected links, or downloading compromised software. Once installed, the malware can communicate with its command and control servers to receive instructions, transmit stolen data, or download additional malware components. The specific operations of Trojan.Sefnit.E can include data theft, keystroke logging, or using the infected computer as a botnet node for distributed denial-of-service (DDoS) attacks or spamming.

Symptoms of Infection

The symptoms of a Trojan.Sefnit.E infection can vary, but common indicators include unusual system behavior, such as slow performance, frequent crashes, or unfamiliar programs running in the background. You might also notice unexpected changes to your browser settings, homepage redirects, or an increase in pop-up advertisements. In some cases, the malware may attempt to disable security software or prevent access to certain system features, making it difficult to detect and remove.

  • Unexplained changes in system or browser settings
  • Performance issues, such as slow downs or crashes
  • Appearance of unfamiliar programs or icons
  • Increased pop-up ads or spam
  • Difficulty accessing certain system features or security software

How to Remove Trojan.Sefnit.E

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for a clean environment to perform removal steps.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove all components of the Trojan.Sefnit.E malware.
  3. Uninstall any suspicious programs that were installed around the time of the infection. Be cautious and only remove programs that you are certain are malicious or unnecessary.
  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 computer and perform another full scan with your anti-malware tool to ensure that all malware components have been removed.

Conclusion

Removing Trojan.Sefnit.E from your system requires careful and thorough steps to ensure that all components of the malware are eliminated. It is crucial to act quickly to prevent further damage and potential data theft. By following the removal steps outlined above and maintaining good security practices, such as keeping your operating system and software up to date, using strong antivirus software, and being cautious with emails and downloads, you can protect your computer and personal data from similar threats in the future.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
AVG Generic23.BUKB
Antiy-AVL Trojan/win32.agent.gen
Kaspersky Trojan.Win32.Sefnit.c
McAfee Artemis!B3517225BAB1
AVG Generic22.PUJ
Fortinet W32/Dx.SMIA!tr
Kaspersky Trojan.Win32.Sefnit.oiy
McAfee Sefnit.i
AVG Generic19.CEWU
BitDefender Gen:Variant.Kazy.12690
Kaspersky Trojan.Win32.Sefnit.aue
McAfee Generic.dx!uqp
AVG Generic21.CHMB
Kaspersky Trojan.Win32.Sefnit.hwr
NOD32 a variant of Win32/Sefnit.AQ

File System Details

Trojan.Sefnit.E may create the following file(s):
# File Name MD5 Detections
1. StoreObjectChangeList.dll b3517225bab1e73dd357c79dc735cee4 782
2. Constructorfor.dll 05cb4d1c1c72aa6d83b9d14fae6fc989 777
3. CClusterDetectorEx.dll 5e78d494e5a9ee22a8d762045c9e4fea 96
4. PSFactoryBuffer.dll f8d4a2691d76b3ba5b9a9854bee9cced 65
5. MSHTMLElement.dll f029ff49df67f2ecc68f0a406b0244b1 35
6. IASAttribute.dll c9cb6c0e6d2e8641f0ec666bd3d63f62 28
7. Compatibility.dll 96b7497a7310a8b743dc50b0d9bd4a9b 22
8. CRCMResourceIDGenerator.dll 0cbdeed97be0a158c0b9269e3e90ce1c 18
9. BluetoothFD.dll 25d09cb5c79069209a66e6d0d81ffedb 14
10. HaaliMedia.dll 0c63fdf91caf02db210d049ec7030838 11
11. IASNetsh.dll 8ee2af1603ef32397c5b4f84208b6285 10
12. GrooveRecord.dll 2e94c5e7ec4ce4075b50890d3d914d07 7
13. McDspFileSystem.dll 357a5cbc035f7c22331543a169d70973 6
14. MSOLAPLevel.dll b9a52b8cf3883ca4bb611fb24fec0fcf 4
15. AudioRateConvertCMPT.dll 9b6cd75ed861046c85d90c1c4413e8a2 4
16. GCAsyncSrc.dll 00cbdd36b0039bd50159f36f153678db 3
17. OutlookExpress.dll bf29c6a3868d154918c438d6dc7ec882 2
18. Stateofbuilt-in.dll 28cc1558cb2a3d00063c4f55e3759bf4 2
19. SearchNeutral.dll 37106f209234bffdd6229f4d3cebe32f 1
20. HomeGroupPrinter.dll 33661ddde23681002d56463d3f7a6a85 1
21. MSOffice.dll 17a0d699b361d691cf337c118d850c59 1
22. GrooveConnection.dll d5041fe8cf911fbe8fc8ef29c7a0b19f 1
23. ShellName.dll 4a3084220a42daa3dd12576b30ccd5b3 1
24. TrimString.dll 53e59b761cdd53cdfd04bad7003d56f7 1
25. ISPCD.dll 1d5546281cba5344c74c13509a59a260 1
26. SAXXMLReader.dll f8a9abd9df76325fd86fce0f896d6e29 1
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