BHO.DLL

Cloaked Malware

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Associated Malware Groups

The unsafe files using this name are associated with the malware group:

Cloaked Malware

File Behavior

BHO.DLL has been seen to perform the following behavior:

Enables an In Process Object/Server - Common with DLL Injections
Creation and Registers a Browser Helper Object in Internet Explorer
Registers a Dynamic Link Libray (DLL) File
Registers a Dynamic Link Library File

BHO.DLL has been the subject of the following behavior:

Created as a process on disk
Registered as a Dynamic Link Libray (DLL) File
Enabled as an In Process Object/Server - Common with DLL Injections
Created and Registered as a Browser Helper Object in Internet Explorer
Registered as a Dynamic Link Library File
Deleted as a process from disk
Copied to multiple locations on the system
Executed as a Process

Country Of Origin

The filename BHO.DLL was first seen on Jun 11 2007 in the following geographical regions of the Webroot community:

on Jun 11 2007
South Africa on Jun 11 2007
Hungary on Oct 17 2007
Malaysia on Dec 3 2007
Canada on Dec 3 2007
Spain on May 28 2008
Taiwan on Jan 11 2010
Tunisia on May 5 2011
Asia/Pacific Region on May 12 2012
Turkey on May 12 2012

File Name Aliases

BHO.DLL can also use the following file names:

F2EA.EXE
BHO[1].DLL
A3FF.EXE
BHO.DLL.ZGX
3.DLL
9C31.EXE
1AF1.DLL
95F1.EXE
A7A1.DLL
B7L0.DLL
F663.EXE
E200.EXE
1C71.DLL
E591.EXE
78C1.DLL
5EF1.DLL
8551.DLL
CC61.EXE
C671.DLL
73E1.EXE
1.DL
TEMP.FRE341
1221.DLL
38B1.DLL
A4B1.DLL
4D01.EXE
41E1.DLL
7CD1.DLL
A571.EXE
F981.DLL
15303498.DLL
44935902.DLL
43989393.EXE
41676593.DLL

Filesizes

The following file size has been seen:

159,184 bytes
172,032 bytes
442,368 bytes
85,312 bytes
53,248 bytes
341,328 bytes

File Type

The filename BHO.DLL refers to many versions of a dynamic link library.

Help the Webroot Community to fight cyber crime

We are always looking for ways to improve the quality and speed of research to help us protect you from malicious software and cyber crime.

The filename referred to in this report is often associated with PC infections. If you have a program of this name on your PC and would like to help our research please tell us what you know in the form below:

I have this file on my PC and believe it is an infection
I have this file on my PC and think it has made my PC slower
My firewall asked if I wanted to let this file have access to the Internet
My PC will not work since I noticed this file on it
My antivirus detected this file but won't remove it
I know what this file is and believe it is a Safe program
I am the author of this file and would like to discuss how to have it reclassified as safe

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