Threat Database Trojans Trojan.Downloader.Delf.KQ

Trojan.Downloader.Delf.KQ

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 32
First Seen: December 9, 2010
OS(es) Affected: Windows

The detection of Trojan.Downloader.Delf.KQ on your system indicates a potential security threat that requires immediate attention. This detection name suggests a type of malicious software, but without more specific information, it's essential to understand the general characteristics of such threats and how to address them effectively.

What Is Trojan.Downloader.Delf.KQ?

Trojan.Downloader.Delf.KQ, as indicated by its name, appears to be related to Trojan-type malware, which is designed to allow unauthorized access to a user's system. Trojans are known for their ability to disguise themselves as legitimate programs, making them particularly dangerous. The "Downloader" part of the name suggests that this malware might be capable of downloading additional malicious components from the internet, potentially leading to further system compromise.

How Trojan.Downloader.Delf.KQ Operates

Generally, Trojans operate by deceiving users into installing them, often by masquerading as useful software or attachments in spam emails. Once installed, they can create backdoors, allowing remote access to the infected system. This access can be used for a variety of malicious purposes, including data theft, installation of additional malware, or even using the infected computer as part of a botnet for distributed denial-of-service (DDoS) attacks or spamming.

The "Downloader" aspect of Trojan.Downloader.Delf.KQ implies it might be used to fetch and install other types of malware, potentially including ransomware, spyware, or keyloggers, further compromising the security and integrity of the infected system.

Symptoms of Infection

Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Users might notice their computer running slower than usual, experiencing frequent crashes, or encountering unexpected pop-ups and advertisements. In some cases, antivirus software might detect and alert users to suspicious activity. However, some advanced Trojans are designed to evade detection, making them particularly dangerous.

  • Unexplained changes to system settings or the appearance of unfamiliar programs.
  • Increased network activity without apparent cause.
  • Difficulty in accessing or using certain system features.

How to Remove Trojan.Downloader.Delf.KQ

  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 antivirus tool, such as SpyHunter, to perform a full scan of your system. Ensure the antivirus software is updated with the latest definitions before scanning.
  3. Uninstall any recently installed programs that you do not recognize or no longer need, as they could be malicious.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the Trojan.
  5. After completing the above steps, reboot your computer and perform another full scan with your antivirus software to ensure that the threat has been fully removed.

Conclusion

The removal of Trojan.Downloader.Delf.KQ requires careful and thorough action to ensure the malware is completely eradicated from your system. It's crucial to stay vigilant and keep your antivirus software up to date to protect against future threats. Regularly backing up important data and being cautious when opening email attachments or installing software can also help prevent infections. If you're unsure about any part of the removal process, consider seeking help from a professional to ensure your system's security and integrity are fully restored.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
Ikarus Trojan-Downloader.Win32.Delf
AhnLab-V3 Backdoor/Win32.Delf
Sophos Mal/PWS-AT
McAfee-GW-Edition Heuristic.BehavesLike.Win32.Keylogger.J
Comodo TrojWare.Win32.TrojanDownloader.Murlo.~JH2
BitDefender Trojan.Generic.5092050
NOD32 a variant of Win32/Delf.NWS
Antiy-AVL Trojan/Win32.Banker
Kaspersky Trojan-Banker.Win32.Banker.bdxk
McAfee Artemis!287F37ABB1FC
Panda Suspicious file
AntiVir TR/Spy.Gen
ClamAV PUA.Packed.PECompact-1
Symantec Suspicious.Cloud.5
NOD32 probably a variant of Win32/Spy.Banbra.NTM

File System Details

Trojan.Downloader.Delf.KQ may create the following file(s):
# File Name MD5 Detections
1. winsrvlegacy.exe 287f37abb1fc965c01d78769089ce966 21
2. JSPROXYIE.dll 17d64cf30702ed02e81f766ab3e2b8ed 5
3. xservicesx1.exe 735d895409f7d7e1ac279d67d971a235 4
4. v4fttsdme.tmp 69b8a54087d2b6e7b2858dca127f52a4 2