Threat Database Trojans Trojan.Zapchas

Trojan.Zapchas

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Threat Level: 90 % (High)
Infected Computers: 521
First Seen: July 24, 2009
Last Seen: June 1, 2026
OS(es) Affected: Windows

The detection of Trojan.Zapchas on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with a comprehensive understanding of the threat, its operational characteristics, symptoms of infection, and most importantly, guidance on how to remove it from your computer.

What Is Trojan.Zapchas?

Trojan.Zapchas is identified as a Trojan-type threat. Trojans are malicious programs that can cause significant harm to your computer system. They are designed to allow unauthorized access to your computer, stealing sensitive information, or using your system for malicious activities without your knowledge. The name "Trojan.Zapchas" itself does not directly indicate a specific malware family, but its classification as a Trojan suggests it operates similarly to other Trojan horses by disguising itself as legitimate software to gain access to your system.

How Trojan.Zapchas Operates

Trojans like Trojan.Zapchas typically operate by deceiving users into installing them on their systems. This can happen through various means such as downloading and installing free software from untrusted sources, clicking on malicious links, or opening attachments from spam emails. Once installed, the Trojan can create backdoors, allowing remote access to your system. It may also install additional malware, steal personal data, disrupt system performance, or use your system for spamming, spreading malware, or participating in DDoS attacks.

Symptoms of Infection

Symptoms of a Trojan infection can vary widely, depending on the specific goals of the malware. Common indicators include unexpected system crashes, slower than usual computer performance, unfamiliar programs or icons appearing on your desktop, unexpected changes to your browser settings, or finding unfamiliar accounts or programs on your system that you did not install. Sometimes, a system infected with a Trojan may show no obvious symptoms at all, making regular security scans crucial for detection.

How to Remove Trojan.Zapchas

  1. Enter Safe Mode with Networking: This will limit the malware's ability to interfere with your removal efforts. Restart your computer and press the key to enter safe mode (this varies by operating system but is commonly F8 for Windows or Shift+Power for macOS).
  2. Full Scan with a Reputable Tool: Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. Ensure the tool is updated to the latest version to increase the chances of detecting and removing Trojan.Zapchas.
  3. Uninstall Suspicious Programs: Go through the list of installed programs on your computer and uninstall any that you do not recognize or that were installed around the time you suspect the infection occurred.
  4. Reset Your Browser: If your browser settings have been altered, reset them to their default settings. This applies to browsers like Chrome, Firefox, and Edge. Also, check for and remove any suspicious extensions.
  5. Reboot and Re-scan: After completing the above steps, reboot your computer and perform another scan with your anti-malware tool to ensure that Trojan.Zapchas has been fully removed.

Conclusion

Removing Trojan.Zapchas from your system requires careful and thorough action to ensure all components of the malware are eliminated. It's also crucial to take preventive measures to avoid future infections, such as keeping your operating system and software up to date, using strong, unique passwords, and being cautious with emails and downloads from unknown sources. Regularly backing up your important data can also mitigate the impact of a malware infection. By following the steps outlined in this report and maintaining good cybersecurity practices, you can protect your system from Trojan.Zapchas and other malware threats.

Aliases

13 security vendors flagged this file as malicious.

Antivirus Vendor Detection
Panda Bck/MIRCBased.BI
McAfee potentially unwanted program IRC/Client
Kaspersky not-a-virus:Client-IRC.Win32.mIRC.603
K7AntiVirus Non-Virus:Client-IRC.Win32.mIRC.603
Ikarus not-a-virus:Client-IRC.Win32.mIRC
Fortinet IRC/Client
F-Secure Client-IRC.Win32.mIRC.603
eSafe Win32.mIRC-based
Comodo not-a-virus.Client-IRC.Win32.mIRC.603
CAT-QuickHeal RiskWare.mIRC.6.03 (Not a Virus)
Authentium W32/Renamed_mIRC.gen!Eldorado
AhnLab-V3 Win-Trojan/MircPack.1790464
a-squared Riskware.Client-IRC.Win32.mIRC!IK

File System Details

Trojan.Zapchas may create the following file(s):
# File Name MD5 Detections
1. mirc.exe b766003f431cad186bd115f5761592d1 124
2. e-card.gif.exe 3c2088c764e7992ec4471825667f2ba1 0

Registry Details

Trojan.Zapchas may create the following registry entry or registry entries:
Run keys
taskmgr