Threat Database Trojans Trojan.Downloader.Tesefo.A

Trojan.Downloader.Tesefo.A

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 30
First Seen: December 6, 2010
OS(es) Affected: Windows

The detection of Trojan.Downloader.Tesefo.A on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security of your computer, allowing unauthorized access to your personal data and potentially leading to further 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.Downloader.Tesefo.A?

Trojan.Downloader.Tesefo.A is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate programs. The primary function of this malware is to download and install additional malicious components from the internet, potentially leading to a range of harmful activities, including data theft, ransomware attacks, and exploitation of system vulnerabilities. The name "Trojan.Downloader.Tesefo.A" suggests that it is a downloader-type Trojan, but without more specific information, it's difficult to determine its exact behavior or the family it belongs to.

How Trojan.Downloader.Tesefo.A Operates

Trojan.Downloader.Tesefo.A, like other Trojans, operates by deceiving users into installing it on their systems. This can happen through various means, such as opening malicious email attachments, visiting compromised websites, or downloading infected software. Once installed, it can communicate with its command and control servers to receive instructions, download additional malware, or exfiltrate sensitive data. The exact mechanisms and goals of Trojan.Downloader.Tesefo.A can vary, but its primary purpose is to act as a gateway for further malicious activities.

Symptoms of Infection

Identifying a Trojan infection can be challenging due to its stealthy nature. However, some common symptoms may indicate the presence of malware like Trojan.Downloader.Tesefo.A. These include unexpected changes in system performance, such as slower operation, frequent crashes, or unusual network activity. Additionally, you might notice new, unfamiliar programs or icons on your desktop, changes in your browser settings, or pop-ups and unwanted advertisements. If you suspect your system is infected, it's crucial to act quickly to minimize potential damage.

How to Remove Trojan.Downloader.Tesefo.A

  1. Enter Safe Mode with Networking to prevent the malware from loading and to allow for a more effective removal process.
  2. 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.
  3. Uninstall any suspicious programs that you do not recognize or that were installed around the time you suspect the infection occurred.
  4. Reset your web browsers (Google Chrome, Mozilla Firefox, Microsoft Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the malware.
  5. !!!!!

  6. Reboot your system and perform another full scan with your anti-malware tool to ensure that all traces of the malware have been removed.

Conclusion

Removing Trojan.Downloader.Tesefo.A from your system is crucial to prevent further damage and protect your personal data. By following the steps outlined above and maintaining good computer hygiene, such as regularly updating your operating system and software, using strong antivirus protection, and being cautious when opening email attachments or downloading software, you can significantly reduce the risk of future infections. Remember, vigilance and proactive measures are key to securing your digital environment in today's evolving threat landscape.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
AVG Agent2.PWF.dropper
Fortinet W32/Dx.BLI!tr
Ikarus MalwareScope.Trojan-PWS.Game
AhnLab-V3 Trojan/Win32.Agent
a-squared MalwareScope.Trojan-PWS.Game!IK
Antiy-AVL Trojan/Win32.Agent.gen
McAfee-GW-Edition Heuristic.BehavesLike.Win32.Trojan.H
AntiVir TR/Agent.cpmt
BitDefender Gen:Trojan.Heur.oG0@ru9FMgnb
Kaspersky Trojan.Win32.Agent.ehlo
eSafe Win32.TRAgent.Cpmt
Avast Win32:Agent-ZNC
F-Prot W32/Trojan2.INFV
NOD32 probably a variant of Win32/TrojanDownloader.Delf.
McAfee Generic.dx!bli

File System Details

Trojan.Downloader.Tesefo.A may create the following file(s):
# File Name MD5 Detections
1. autx32.exe 465d4d79bdb25379e92424aeedac9e5e 2
2. MSTORES.DLL 3cad7bc1282107df4d4adbafb872082e 2
3. lsass.exe a2051338003ffe728c23d4de9a0d6e13 2
4. spoolsv.exe 3908bac339577fd214a8d10864ef1b30 1
5. smss.exe 2a6ccea4b057e7b5ec5fb69180ccb285 1
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