Prevx Research Division
NHB.EXE
Cloaked MalwareFree PC Cleanup from Webroot
Use Webroot SecureAnywhere to remove NHB.EXE.
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Cloaked Malware
- Malicious Software
File Behavior
NHB.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Disables the built in Windows File Protection System
- This process creates other processes on disk
- This Process Deletes Other Processes From Disk
- Can communicate with other computer systems using HTTP protocols
- Writes to another Process's Virtual Memory (Process Hijacking)
- Adds products to the system registry
- Disables the Notification Balloon for the Windows Security Center
- Disables Access to the Task Manager built into Windows
- Disables Access to the Windows Registry Editior
- Modifies Windows Security Policies to restrict/expand User Privileges on the machine
- Disables the Windows Security Center Service
- Disables Anonymous Access to the Windows Network Shares
- Enables Access to the Remote Registry Service Within Windows
- Disables the Default Windows Network Shares
- Prevents Installation Of Windows XP Service Pack 2
- Disables the DCOM Ability within Windows
- Registers a Dynamic Link Library File
- Checks for the use of debuggers
- Sets processes to start during user logon
- Creates a new Background Service on the machine
- Looks at the contents of the autoexec.bat file
- Reads email address and phone book details
- Uses DNS to retrieve the IP address for web sites
NHB.EXE has been the subject of the following behavior:
- Copied to multiple locations on the system
- Created as a new Background Service on the machine
- Has code inserted into its Virtual Memory space by other programs
- Executed as a Process
- Deleted as a process from disk
- Created as a process on disk
Country Of Origin
The filename NHB.EXE was first seen on Dec 19 2007 in the following geographical regions of the Webroot community:
- Europe on Dec 19 2007
- on Jun 9 2008
- South Africa on Mar 29 2011
- The United Kingdom on May 4 2011
File Name Aliases
NHB.EXE can also use the following file names:
- LJW.EXE
- LJX.EXE
- LJV.EXE
- ADJ.EXE
- JFZ.EXE
- YZZ.EXE
- JLV.EXE
- NZB.EXE
- QJB.EXE
- GKF.EXE
- GKJ.EXE
- BQV.EXE
- DNV.EXE
- XTV.EXE
- IZZ.EXE
- MPF.EXE
- UJB.EXE
- ZQF.EXE
- GQZ.EXE
- UKB.EXE
- UKC.EXE
- UKJ.EXE
- HFJ.EXE
- GJF.EXE
- KLB.EXE
- KLF.EXE
- QRZ.EXE
- FPJ.EXE
- MPH.EXE
- MPJ.EXE
- NBZ.EXE
- SDP.EXE
- CDU.EXE
- CYGWIN.EXE
- SWF.EXE
- CWZ.EXE
- NHB_FIXED.EXE
- CW3.EXE
- DC1.EXE
- DE5.EXE
- EK7.EXE
- KL3.EXE
- NN2.EXE
- GQ0.EXE
- GQ1.EXE
Filesizes
The following file size has been seen:
- 218,624 bytes
- 389,120 bytes
- 105,770 bytes
- 69,710 bytes
- 1,662,976 bytes
File Type
The filename NHB.EXE refers to many versions of an executable program.
File Activity
One or more files with the name NHB.EXE creates, deletes, copies or moves the following files and folders:
- Copies filec:\windows\system32\ftp.exe to c:\windows\system32\microsoft\backup.ftp
- Copies filec:\windows\system32\tftp.exe to c:\windows\system32\microsoft\backup.tft
- Opens/modifes c:\autoexec.bat
Network Activity
One or more files with the name NHB.EXE performs the following network events:
- DNS Lookup192.168.0.12 SHANNON-A3B7C8D1
- DNS Lookup209.205.196.3 www.worldcasino.to
- DNS Lookup mail.fucuzzy
Website Activity
One or more files with the name NHB.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- Port 80 IP:66.249.91.99
- Port 80 IP:64.233.183.147
- Port 80 IP:209.205.196.3
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