Threat Database Trojans Trojan.Yoddos.A

Trojan.Yoddos.A

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 2,610
First Seen: November 30, 2010
Last Seen: May 26, 2025
OS(es) Affected: Windows

The detection of Trojan.Yoddos.A on your system indicates a potential security threat that requires immediate attention. This type of threat is generally categorized as a Trojan, which is a broad term for malicious software that disguises itself as legitimate to gain unauthorized access to a computer system. Trojans can lead to a variety of issues, including data theft, system compromise, and the installation of additional malware. Understanding what Trojan.Yoddos.A is, how it operates, its symptoms, and how to remove it are crucial steps in securing your computer and protecting your personal information.

What Is Trojan.Yoddos.A?

Trojan.Yoddos.A, as indicated by its name, falls under the Trojan category of malware. Trojans are known for their ability to masquerade as useful software, but once installed, they can cause significant harm. They are often distributed through email attachments, infected software downloads, and exploited vulnerabilities in web applications. The primary goal of a Trojan can vary, but common objectives include stealing sensitive information, disrupting system operation, or providing unauthorized access to the attacker.

How Trojan.Yoddos.A Operates

The operation of Trojan.Yoddos.A, like other Trojans, typically involves a stealthy installation process, where the malware attempts to evade detection by security software. Once installed, it may establish communication with its command and control servers to receive further instructions or to exfiltrate data. Trojans can also create backdoors, allowing attackers to remotely access and control the infected system. The specific actions of Trojan.Yoddos.A can depend on its intended purpose, which could range from data theft to using the infected system as part of a botnet for malicious activities.

Symptoms of Infection

Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common indicators include unusual system behavior, such as unexpected pop-ups, slow system performance, or frequent crashes. Additionally, you might notice unfamiliar programs or toolbars in your browser, or find that your browser's homepage has been changed without your consent. In some cases, Trojans can also lead to issues with system security settings, making your computer more vulnerable to other types of malware.

  • Unexplained changes to system settings or browser configurations.
  • Appearance of unknown or suspicious programs.
  • Increased vulnerability to other malware.
  • General system instability or performance issues.

How to Remove Trojan.Yoddos.A

  1. Boot your computer in Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove the Trojan and any associated malware.
  3. Manually uninstall any suspicious programs that were installed around the time of the infection. Be cautious and only remove programs you are certain are malicious or unnecessary.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes.
  5. After completing the above steps, reboot your computer and perform another scan with your anti-malware tool to ensure that the threat has been fully removed.

Conclusion

The removal of Trojan.Yoddos.A requires a combination of technical knowledge and the right tools. By understanding the nature of Trojans and following a systematic approach to removal, you can effectively eliminate this threat from your system. It's also crucial to adopt preventive measures, such as regularly updating your operating system and software, using strong antivirus protection, and being cautious with emails and downloads from unknown sources. Remember, vigilance and proactive security practices are key to protecting your computer and personal data from malware threats.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
Panda W32/P2PWorm.QD.worm
McAfee-GW-Edition Heuristic.BehavesLike.Win32.Backdoor.H
Panda Trj/OCJ.C
Antiy-AVL Backdoor/Win32.Yoddos
McAfee-GW-Edition Heuristic.BehavesLike.Win32.Suspicious-PKR.K
AntiVir TR/ATRAPS.Gen
Comodo UnclassifiedMalware
BitDefender Backdoor.Generic.751711
Kaspersky Backdoor.Win32.Yoddos.aht
ClamAV Trojan.Downloader-119580
eSafe Win32.Downloader
Symantec W32.Popwin
McAfee Artemis!3B7A51CD9465
CAT-QuickHeal Trojan.Yoddos
Panda Suspicious file

File System Details

Trojan.Yoddos.A may create the following file(s):
# File Name MD5 Detections
1. algo.exe 7e281bb653937ccdec6ef51389579ee1 12
2. WinHelp32.exe d1b87c4ecfca12cb9dce41724f7d1103 8
3. 1ddk.exe f459c105421a12cd7e71f2434e5953b9 5
4. Winhome.exe 567dbb5b7549f0d2121958904d65c0fb 2
5. Host.exe 3b7a51cd946567af8e015fd04bc04003 2
6. WinXp32.exe 9635fdbedd86f9e4b4ae32c1ac9627e3 1
7. mzyqmh.exe 4befad2f513a3967725709f58646b25a 1
8. alg.exe 2d4475bd79be5e70db541918b3f63ab6 1
9. config.exe bd3c04ef5ef45cd54f09b3169d32a022 1
10. conime.exe 9f489e9525c061f4c173d495a202e3da 1