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What is nls.exe?

Part of NAVISearch Module by eXact Advertising

What is it?

NaviSearch is adware that displays search listings in a background window. NaviSearch listings are displayed as a "search helper" when a user has typed text into the address bar or search boxes of their web browser that would normally resolve to a "404 Page not found". The NaviSearch search helper tries to deduce what content the user was searching for, and present relevant ad-supported sponsored results.
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How does nls.exe run?

Process - nls.exe is an instance of a running program. This 32-bit program executes with the privileges as the currently logged in user account. nls.exe is executed by the process explorer.exe (Windows Explorer by Microsoft).

How does nls.exe start?

Startup files (all users) run - nls.exe is registered with the run identifier 'NaviSearch' and the execution command 'C:\Program Files\NaviSearch\bin\nls.exe' in the Windows registry HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run. Run keys are startup registry keys that are used to launch an application automatically when any Windows user logs into Windows.


What is the community is seeing?What is the community is doing?
About 0.4% of all Boost users have the nls.exe process running.Of the 0.4% of nls.exe users, 88.0% have disabled it.
How resource intensive is nls.exe?
Comparison based on the average resource utilization across all programs.
0.00360% CPU36022.9%
Average CPU utilization across all programs is 0.00001%.
     904 KB RAM4.1%
Average private memory utilization across all programs is 21.53 MB.
 40 /min1.8%
Average I/O read and write operations for all programs is 2,253 per minute.
         8 GDI objects5.3%
Average number of GUI GDI and USER objects for all programs is 150.
Typical file (disk image) location:
C:\Program Files\navisearch\bin\nls.exe

What modules are loaded?

A module is a dynamic link library (DLL) or an executable file that is loaded into the process. Below is a list of non-system modules that are loaded by NAVISearch Module.

What Windows OS versions does this run on?

Windows XP Professional (5.1.2600.131072)
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File details

File name: nls.exe
Name: NAVISearch Module
Description: NLS Module
Version: 1, 0, 0, 5
Size: 84 KB
Original file name: nls.exe

Resource utilization

CPU utilization averages
Total CPU: 0.0043285563%
Privileged CPU: 0.0007262678%
User CPU: 0.00360228846995%
Total CPU time: 156 ms
Total CPU time /min: 1 ms
Privileged CPU time: 125 ms
Privileged CPU time /min: 0 ms
User CPU time: 31.25 ms
User CPU time /min: 0 ms
Memory utilization averages
Committed memory: 31.06 MB
Peak committed memory: 34.48 MB
Paged memory: 904 KB
Peak paged memory: 908 KB
Paged system memory: 32.9 KB
Non-paged system memory: 2.85 KB
Working set memory: 344 KB
Peak working set memory: 3.25 MB
Min working set memory: 344 KB
Private memory: 904 KB
Page faults: 1,124
Page faults /min: 4
Process I/O averages
Total read operations: 11
Read operations /min: 1
Total read transfer: 1.41 KB
Read transfer /min: 5 Bytes
Total write operations: 25
Write operations /min: 1
Total write transfer: 464.57 KB
Write transfer /min: 1.62 KB
Total other operations: 388
Other operations /min: 1
Total other transfer: 6.38 KB
Other Transfer /min: 23 Bytes
GUI Object Averages
GDI objects: 8
USER objects: 2
Handle count average: 85
Thread count average: 1

Process details

Runs as (owner): User
Windows platform: 32-bit
Parent Process
Process Command
"C:\Program Files\NaviSearch\bin\nls.exe"

Startup files (all users) run details

Name: NaviSearch
Command: C:\Program Files\NaviSearch\bin\nls.exe

Image hashes

MD5: 3e4a8942089709e8d79392a0957a8ea8
SHA-1: 86c601f6b9101bb588b8819e71e5044422ea0f50
SHA-256: 35f7bf41136f7820889c06f0ee016ed2758632004db44eba7bbef9d006f1912e

PE image details

File entropy: 5.68929
File packed: No
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