Threat Database Trojans Trojan.Downloader.Demina.A

Trojan.Downloader.Demina.A

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 29
First Seen: May 21, 2012
Last Seen: March 30, 2023
OS(es) Affected: Windows

Your system has been detected with a malware threat identified as Trojan.Downloader.Demina.A. This detection indicates a potential security risk that requires immediate attention to prevent further damage to your computer and protect your personal data. It is essential to understand the nature of this threat and take appropriate steps to remove it.

What Is Trojan.Downloader.Demina.A?

Trojan.Downloader.Demina.A is a type of malware that falls under the broader category of Trojans, which are malicious programs designed to gain unauthorized access to a computer system. The term "Downloader" in its name suggests that this malware is capable of downloading additional malicious components from the internet, potentially leading to more severe infections. The ".A" might indicate a variant or a specific version, but without more context, it's challenging to determine its exact significance.

How Trojan.Downloader.Demina.A Operates

Typically, Trojan Downloader malware operates by infiltrating a computer system through various means, such as exploiting vulnerabilities in software, deceiving users into executing malicious files, or piggybacking on legitimate programs. Once inside, it can download and install additional malware, which might include keyloggers, ransomware, spyware, or other types of Trojans. This capability allows the attackers to expand the scope of the infection, steal sensitive information, or use the compromised computer for malicious activities like spreading spam or participating in botnet attacks.

Symptoms of Infection

Identifying a Trojan Downloader infection can be challenging due to its stealthy nature. However, some common symptoms might include unusual system behavior, such as slow performance, frequent crashes, or unexpected pop-ups and advertisements. You might also notice unfamiliar programs or toolbars in your browser, changes in your homepage, or difficulties in connecting to the internet. In some cases, the malware might consume significant system resources, leading to overheating or increased fan activity.

  • Unexplained changes in browser settings or the appearance of unknown extensions.
  • Pop-ups, even when you're not browsing the internet.
  • Slower than usual computer performance.
  • Difficulty in accessing certain websites or performing online activities.

How to Remove Trojan.Downloader.Demina.A

  1. Enter Safe Mode with Networking: This will help prevent the malware from loading and make it easier to remove. The process to enter Safe Mode varies depending on your operating system version.
  2. Perform a Full Scan with a Reputable Tool: Utilize an anti-malware program like SpyHunter to scan your computer thoroughly. Ensure the tool is updated to the latest version for the best detection and removal capabilities.
  3. Uninstall Suspicious Programs: Go through your installed programs and remove any that you don't recognize or that were installed around the time you suspect the infection occurred.
  4. Reset Your Browsers: For browsers like Chrome, Firefox, and Edge, resetting them to their default settings can help remove malicious extensions and settings changes caused by the malware.
  5. Reboot and Re-scan: After taking the above steps, restart your computer and perform another scan with your anti-malware tool to ensure all threats have been removed.

Conclusion

Removing Trojan.Downloader.Demina.A requires careful and immediate action to prevent further damage. By understanding how this malware operates and following the steps outlined for removal, you can help protect your computer and personal data. 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. Remember, vigilance and proactive security practices are key to maintaining a safe and secure computing environment.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
Panda Trj/CI.A
AVG Generic19.WNW
Fortinet W32/QHost.A!tr
AhnLab-V3 Trojan/Win32.Jorik
AntiVir TR/Crypt.ULPM.Gen
Comodo TrojWare.Win32.Agent.~kyhs
Sophos W32/Demina-A
Kaspersky Trojan.Win32.Qhost.ohe
Symantec W32.Yimfoca.B
McAfee Artemis!29C8D991929E
AVG Worm/Autoit.AQJD
Fortinet W32/AutoitKrypt.AGC!tr
Ikarus Worm.Win32.Rebhip
AhnLab-V3 Malware/Win32.Generic
AntiVir TR/Crypt.CFI.Gen

File System Details

Trojan.Downloader.Demina.A may create the following file(s):
# File Name MD5 Detections
1. gptsvc.exe ae3d65624df7a5dbe69374b64a6698cf 6
2. jutched.exe 29c8d991929e3bfb470f7ffba6f2dfac 4
3. server.exe 2e1a13db37ef468559afe874d3817cd8 2
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