Trojan.BHO

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 4,115
First Seen: July 24, 2009
Last Seen: March 9, 2025
OS(es) Affected: Windows

The detection of Trojan.BHO on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to infiltrate your computer and perform malicious activities without your knowledge or consent. It is essential to understand the nature of this threat and take prompt action to remove it and prevent further damage.

What Is Trojan.BHO?

Trojan.BHO is a type of malware that belongs to the Trojan horse category. Trojans are malicious programs that disguise themselves as legitimate software, allowing them to bypass security measures and gain unauthorized access to a computer system. The ".BHO" suffix suggests that this particular Trojan may be related to Browser Helper Objects, which are components that interact with web browsers. However, without more specific information, it's challenging to determine the exact nature and capabilities of this threat.

How Trojan.BHO Operates

Trojan.BHO, like other Trojans, is designed to operate stealthily, making it difficult to detect and remove. Once it has infiltrated a system, it may establish communication with its command and control servers to receive instructions or transmit stolen data. The malware may also attempt to download and install additional malicious components, expanding its capabilities and increasing the risk of further compromise. The exact mechanisms used by Trojan.BHO to propagate and operate are not publicly known, but it's likely that it exploits vulnerabilities in software or uses social engineering tactics to trick users into installing it.

Symptoms of Infection

The symptoms of a Trojan.BHO infection can vary, but common indicators include unexpected changes to browser settings, unusual network activity, and slowed system performance. You may also notice unfamiliar programs or toolbars installed on your computer, or experience frequent crashes and errors. In some cases, the malware may attempt to steal sensitive information, such as login credentials or financial data, which can lead to identity theft and financial loss. If you suspect that your system is infected with Trojan.BHO, it's crucial to take immediate action to contain and remove the threat.

How to Remove Trojan.BHO

  1. Enter Safe Mode with Networking to prevent the malware from interfering with the removal process.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all instances of the malware.
  3. Uninstall any suspicious programs or applications that may be related to the infection.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
  5. Reboot your system and run another full scan to ensure that the malware has been completely removed.

By following these steps, you can help to remove Trojan.BHO and prevent further damage to your system. However, it's essential to remain vigilant and continue to monitor your system for any signs of malicious activity.

Conclusion

The detection of Trojan.BHO on your system is a serious security concern that requires prompt attention. By understanding the nature of this threat and taking the necessary steps to remove it, you can help to protect your system and prevent further compromise. Remember to always use reputable anti-malware tools and keep your software up to date to reduce the risk of infection. If you're unsure about any aspect of the removal process, consider seeking the assistance of a qualified security professional to ensure that your system is properly cleaned and secured.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
Panda Generic Trojan
AVG unknown virus Win32/DH.00000000{00008000-00000035-
Fortinet W32/BHO.BUDY!tr
Ikarus Trojan.SuspectCRC
AhnLab-V3 Win-PUP/Helper.Addendum.754688
AntiVir TR/Sisron.A.346
Comodo Heur.Suspicious
Sophos Sus/Uddo-B
Kaspersky Trojan.Win32.BHO.budy
ClamAV Trojan.BHO-5525
F-Prot W32/Backdoor2.HJWV
NOD32 probably a variant of Win32/TrojanDownloader.Adloa
McAfee Artemis!328301C5D29C
CAT-QuickHeal Trojan.BHO.budy
AntiVir TR/Gendal.kdv.301407.4

File System Details

Trojan.BHO may create the following file(s):
# File Name MD5 Detections
1. SearchAssistant.dll 5e58968f209a4e038d42905699e145d5 1,277
2. MTWB3SH.dll aad4031d5175ef1dfbb7ec35ed2314c1 677
3. BHO.dll.vir 7c037c1675f965d5f1ef4b71c733e760 492
4. BHO.dll c6832328b300b03c2765e5bd7dca2103 301
5. mmduch.dll d018010c977ac6c246b728c43d073f58 77
6. lib.dll 156961c19cce8fb23145ff1492fb1829 43
7. shared.dll ef2d2c0f2115dc93115e2afb67e60a85 15
8. yc77668.dll 2ba30307995af5bcd017291e82fc7232 12
9. wfggdkam.dll 27cd1f3dd0ede41dc2cb242b202529e4 9
10. uriguide.dll aab47b08612dab5b4a45ba8eba70fb00 8
11. sfg.dll 58a669acfcb991b6ae6ddaf6b6036f60 6
12. BrowserHelper.dll 37685b8de4ab0a3edfddd2a4a9e7e588 6
13. Restart.exe 5b2125c572381aa020d6fd9232358a86 4
14. searchfree.dll c45c8c192d493913ecf872ac8cad7cc3 2
15. gabpath.exe f50ec4582d6ffa379193f6a54b06e884 2
16. ck75163.dll bfa137f5d560e35c5bd0fdfcc296687e 2
17. dd80.dll 1e39eca718a5bdc51937406f58be6334 2
18. njfzgowphisdmiybh.dll 453b943eb57de05ecafa98bfb13a89b4 0
19. CLADD 76e5cf5b7b471ad59b76a3fd925092db 0
20. googletoolbar1.dll edf13164f2ef6c0c9be7b3e6b634ae92 0
21. IEMGR.EXE 9eb367cd08dc4dd6ce0e624820be8bae 0
22. tibrachy.dll 882607f6339889fc8acc56f4b0f77532 0
23. ddastigi.dll 213d24fe20bebf6375c1df89c70bf615 0
24. hepyxida.dll 557418886b378ff3115ce356099e7ca2 0
25. helper32.dll 5f12fed334891fa98d2c247066ef2fab 0
26. eqnclass32.dll 55143c8850e7890b430dfb3ff0067663 0
27. ~22.dll 5a85fdf7cd218b943b2c42b47f2648f2 0
28. cjiutaph.dll d780dc3f7835b5f615e9e48aac3d6c27 0
29. wybho.dll 6c67147a710d37be34ed1933b3c56d41 0
More files

Registry Details

Trojan.BHO may create the following registry entry or registry entries:
CLSID
{91C18ED5-5E1C-4AE5-A148-A861DE8C8E16}
Software\Microsoft\Internet Explorer\Approved Extensions\{5A4C343C-BC5C-D7BB-C7B9-A47C8B74605E}