Should I block it?

60%
60% of PCs block this file from running.
Possible reason:
Performance resource utilization

VersionsAdditional versions

5.7.0.3444 1.37%
5.7.0.3437 1.37%
5.7.0.3417 1.37%
5.7.0.3392 2.74%
5.6.5.3438 1.37%
5,6,3,3235 38.36%
5,6,3,3234 4.11%
5,6,2,3199 15.07%
5,6,2,3189 4.11%
5,6,2,3188 2.74%
5,6,2,3173 4.11%
5,6,2,3161 2.74%
5,6,1,3133 5.48%
5,6,1,3133 1.37%
5,6,0,3091 1.37%
5,5,8,2985 10.96%
5,5,7,2933 1.37%

Relationships

Parent process
Related files

PE structurePE file structure
Show functions
Import table
advapi32.dll
RegCloseKey, RegQueryValueExW, RegOpenKeyW, RegDeleteValueW
kernel32.dll
GetProcAddress, GetModuleHandleA, LoadLibraryExW, FreeLibrary, lstrcpynW, GlobalAlloc, ExitProcess, GetPrivateProfileIntW, CloseHandle, ReadFile, CreateFileW, GetVolumeInformationW, SetErrorMode, GetDriveTypeW, lstrlenW, GetLogicalDrives, GetTickCount, CopyFileW, GetPrivateProfileStringW, GetModuleFileNameW, GetModuleHandleW, GetEnvironmentVariableW, MultiByteToWideChar, SetFilePointer, UnhandledExceptionFilter, GetCurrentProcess, TerminateProcess, GetSystemTimeAsFileTime, GetCurrentProcessId, GetCurrentThreadId, QueryPerformanceCounter, SetUnhandledExceptionFilter, GetStartupInfoA, InterlockedCompareExchange, Sleep, InterlockedExchange, IsDebuggerPresent
msvcr90.dll
DllMain
shell32.dll
SHGetSpecialFolderPathW, ShellExecuteW, Shell_NotifyIconW
shlwapi.dll
StrToIntW, PathFileExistsW
user32.dll
SendMessageA, FindWindowA, SetForegroundWindow, GetAsyncKeyState, GetWindowTextW, FindWindowW, DispatchMessageA, GetMessageA, CreateWindowExA, MessageBoxA, RegisterClassA, RegisterWindowMessageA, CreatePopupMenu, GetCursorPos, InsertMenuItemW, SetMenuDefaultItem, EnableMenuItem, TrackPopupMenu, DestroyMenu, LoadImageW, DestroyIcon, DefWindowProcA, DestroyWindow, PostQuitMessage, CharNextW, CharPrevW, LoadStringW, LoadImageA

winampa.exe

Winamp Agent by Nullsoft Inc. (Signed)

Remove winampa.exe
Version:   5,6,3,3235
MD5:   3b01b800a43cf3faf5aaa78315bc2148
SHA1:   d6731b594872cd3715087e9a9143a720e2ed96e8
SHA256:   c6868579f19fad74ff347b7ccf35e8807724ef34b5885464f2bc46f9b6b39648

What is winampa.exe?

Winamp is a media player for Windows-based PCs and Android devices, written by Nullsoft, now a subsidiary of AOL. It is proprietary freeware/shareware, multi-format, extensible with plug-ins and skins, and is noted for its graphical sound visualization, playlist, and media library features.

About winampa.exe (from Nullsoft Inc.)

“The Ultimate Media Player for Android just went Pro! The Pro Bundle offers enriched audio, premium features & customization, and is available as an upgradable in-app purchase.”

Overview

winampa.exe executes as a process with the local user's privileges usually within the context of Windows Explorer. It is set to be start when the PC boots and any user logs into Windows (added to the Run registry key for the all users under the local machine). It is installed with a couple of know programs including Winamp published by Nullsoft, Inc, Winamp Essentials Pack from Christoph Grether and Winamp Essentials Pack by Christoph Grether. The file is digitally signed by Nullsoft Inc. which was issued by the America Online Inc. certificate authority (CA).

DetailsDetails

File name:winampa.exe
Publisher:Nullsoft, Inc.
Product name:Winamp Agent
Typical file path:C:\Program Files\winamp\winampa.exe
File version:5,6,3,3235
Product version:5.6.3.3235
Size:73 KB (74,752 bytes)
Certificate
Issued to:Nullsoft Inc.
Authority (CA):America Online Inc.
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++ 9.0
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
Winamp Essentials Pack
 Christoph Grether
7% remove
Winamp Offizielle Deutsche Sprachdatei Plus
 Christoph Grether
2% remove
Win7 Taskbar
 Magyari Attila
1% remove
RemoteControl for Winamp
 Martin Schlodinski
9% remove
InFlac
 Michael Facquet
3% remove
“This plug-in allows to play native FLAC files with Winamp. It stands for Free Lossless Audio Codec. It is similar to MP3, but lossless, meaning that audio is compressed in FLAC without any loss in quality: you get a perfect copy of your CD tracks, but with files significantly smaller than WAVs.”
Winamp
 Nullsoft, Inc
9% remove
Winamp is a media player for Windows-based PCs and Android devices, written by Nullsoft, now a subsidiary of AOL. It is proprietary freeware/shareware, multi-format, extensible with plug-ins and skins, and is noted for its graphical sound visualization, playlist, and media library features. Winamp supports music playback using MP3, MIDI, MOD, MPEG-1 audio layers 1 and 2, AAC, M4A, FLAC, WAV and WMA. Winamp was one of the first common mu...
Winamp AudioPlayer
 Nullsoft, Inc
12% remove
“Winamp is a free multimedia player made by Nullsoft. It supports numerous audio and video formats. It also plays streamed video and audio content, both live and recorded, authored worldwide. It has an extremely customizable media library, and allows you to rip and burn your favorite music CDs. Winamp has thousands of skins and plug-ins that allow you to change the look-and-feel of the player, as well as add new features. The player also...”
Winamp Detector Plug-in
 Nullsoft, Inc
5% remove
Winamp Application Detect is a browser plugin for Internet Explorer and/or Firefox that allows Winamp.com and other participating sites to detect a Winamp installation and version when delivering content. It does not collect or send other information. Winamp is a free media player that can process several media file-types. It is a protocol winamp:// that allows partner sites (such as WinAmp, SHOut… etc.) to detect current music automat...
Chipamp
 OverClocked ReMix
1% remove
Cosmic Rhapsody Icon Pack
 Paweł Porwisz
7% remove
Winamp Icon Pack
 Paweł Porwisz
1% remove
DFX 8 for Winamp
 Power Technology
9% remove
DFX
 Power Technology
24% remove
“DFX Audio Enhancer brings better sound to all of your music, videos, Internet radio, games, video chats, and other programs. New DFX 11 now enhances all PC audio playback, providing system-wide HD quality sound for all your entertainment. DFX now enhances all PC audio playback, providing system-wide HD quality sound for all your entertainment.”
ClassicPro©
 Skin Consortium
9% remove
Image'in Winamp by WinampFR
 WinampFR
7% remove

BehaviorsBehaviors

Startup files (all users) run
Runs under the registry key 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'WinampAgent' → "C:\Program Files\Winamp\winampa.exe"

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00012993%
0.028634%
Kernel CPU:0.00009035%
0.013761%
User CPU:0.00003958%
0.014873%
Kernel CPU time:234,017 ms/min
100,923,805ms/min
Memory
Private memory:1.24 MB
21.59 MB
Private (maximum):4.29 MB
Private (minimum):3.04 MB
Non-paged memory:1.24 MB
21.59 MB
Virtual memory:53.09 MB
140.96 MB
Virtual memory (peak):54.67 MB
169.69 MB
Working set:3.14 MB
18.61 MB
Working set (peak):4.31 MB
37.95 MB
Page faults:2,067/min
2,039/min
Resource allocations
Threads:1
12
Handles:52
600
GUI GDI count:12
103
GUI GDI peak:14
142
GUI USER count:4
49
GUI USER peak:4
71

BehaviorsProcess properties

Integrety level:Medium
Platform:32-bit
Command line:"C:\Program Files\winamp\winampa.exe"
Owner:User
Parent process:explorer.exe (Windows Explorer by Microsoft Corporation)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate 31.51%
Windows 7 Home Premium 19.18%
Microsoft Windows XP 12.33%
Windows 7 Professional 9.59%
Windows 8 Pro 4.11%
Windows 7 Ultimate N 4.11%
Windows Developer Preview 2.74%
Windows 7 Home Basic 2.74%
Windows 8 2.74%
Windows Vista Home Premium 2.74%
Windows 8 Enterprise N 1.37%
Windows 8 Enterprise Evaluation 1.37%
Windows 7 Enterprise 1.37%
Windows 7 Starter 1.37%
Windows Vista Home Basic 1.37%
Windows 8 Single Language 1.37%

Distribution by countryDistribution by country

United States installs about 12.68% of Winamp Agent.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 20.75%
Lenovo 18.87%
Acer 16.98%
Toshiba 11.32%
Dell 11.32%
ASUS 7.55%
GIGABYTE 5.66%
Intel 3.77%
Samsung 1.89%
American Megatrends 1.89%
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