Blekko

By CagedTech in Browser Hijackers
Published:
Last updated:

Threat Scorecard

Popularity Rank: 7,815
Threat Level: 50 % (Medium)
Infected Computers: 49,879
First Seen: December 28, 2012
Last Seen: October 2, 2026
OS(es) Affected: Windows

The detection of Blekko on your system indicates a potential security threat that requires immediate attention. This report provides an overview of the threat, its operating methods, and the necessary steps to remove it from your system. It is essential to understand that Blekko is identified as a Trojan-type threat, which can lead to various system vulnerabilities and compromises if not addressed properly.

What Is Blekko?

Blekko is a type of malware that can infiltrate a computer system without the user's knowledge or consent. Malware of this nature is designed to perform a variety of malicious activities, which can include data theft, unauthorized access to system resources, and the installation of additional malware. The primary goal of such threats is often to exploit system vulnerabilities for financial gain or to disrupt the normal functioning of the computer.

How Blekko Operates

Trojan-type threats like Blekko typically operate by disguising themselves as legitimate software or attachments. Once installed, they can create backdoors that allow remote access to the infected system, enabling the attackers to execute commands, steal sensitive information, or install more malware. These threats can spread through various means, including phishing emails, infected software downloads, or exploited vulnerabilities in operating systems or applications.

Symptoms of Infection

Symptoms of a Blekko infection can vary but may include unusual system behavior such as slow performance, frequent crashes, or the appearance of unwanted programs or toolbars in your web browser. You might also notice that your browser's homepage has changed without your consent, or you are being redirected to unwanted websites. In some cases, the infection may not exhibit noticeable symptoms, making it difficult to detect without the use of antivirus software.

How to Remove Blekko

  1. Boot your computer in Safe Mode with Networking. This will help prevent Blekko from loading and give you a cleaner environment to work in.
  2. Download and install a reputable anti-malware tool, such as SpyHunter. Perform a full scan of your system to detect and remove all traces of the malware.
  3. Uninstall any recently installed programs that you do not recognize or that were installed around the time your system became infected.
  4. Reset your web browsers (Google Chrome, Mozilla Firefox, Microsoft Edge) to their default settings. This can help remove any malicious extensions or settings changes made by the malware.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that all components of the Blekko malware have been removed.

Conclusion

Removing Blekko from your system requires careful and thorough steps to ensure that all malicious components are eliminated. It is crucial to act quickly to prevent further damage and to protect your personal data. After removal, it is a good practice to regularly update your operating system, browser, and other software to protect against future vulnerabilities. Additionally, using strong, unique passwords and being cautious with emails and downloads can significantly reduce the risk of malware infections. By following the steps outlined in this report and maintaining good cybersecurity practices, you can help keep your system and data safe from threats like Blekko.

SpyHunter Detects & Remove Blekko

File System Details

Blekko may create the following file(s):
# File Name MD5 Detections
1. ffHelper.exe 3eb42668657353e2f3e53b5dba2f147a 3,474
2. blekkoDx.dll.vir 1f3b9565fa09e0cc5b64e7e05fbb7f54 882
3. dtUser.exe 3a5ff24d2dcb7f82563f23f315e2bae7 532
4. 29286 1b190094b08a87253f711f5328f32573 501
5. A0417391.dll 6ba5208545ba69e1bc1afc4bf0098c6d 365
6. blekkotb_015X.dll 828b4771b1046257d0986a4dca389908 150
7. blekkoAu.dll b6e0572d5bc0b7757db384ebdd448a51 93
8. blekkoDx.dll a4653301b7edced1e62a0052b1cc2634 92
9. blekkotb_005X.dll 43cc4ac34a3fd6cd83d415c82cf26562 73
10. blekkotb_019X.dll a2680d5d4b162b6686be28752516a31a 52
11. wvbsdyol.dll d2d78dd8b91403ef74c3721883075199 22
12. blekkotb_014X.dll bb9a7e6329906080016a7b3a840da8d1 21
13. blekkotb_017X.dll af6a1ea26ef2851ce13cc5ad92fddc4b 17
More files

Registry Details

Blekko may create the following registry entry or registry entries:
Software\AppDataLow\Software\blekkotb
SOFTWARE\Microsoft\Windows\CurrentVersion\Run\blekko Anti-Phishing
SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\blekko Anti-Phishing

Directories

Blekko may create the following directory or directories:

%ALLUSERSPROFILE%\Application Data\blekko Anti-Phishing
%ALLUSERSPROFILE%\Application Data\blekko toolbars
%ALLUSERSPROFILE%\blekko Anti-Phishing
%ALLUSERSPROFILE%\blekko toolbars
%LOCALAPPDATA%\blekkotb_017
%PROGRAMFILES%\blekko
%PROGRAMFILES%\blekkotb_017
%PROGRAMFILES(x86)%\blekko
%PROGRAMFILES(x86)%\blekkotb_017
%UserProfile%\AppData\LocalLow\blekkotb_017