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

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:   5,6,1,3133
MD5:   1518282db43bd4f467e8690edc2b8ced
SHA1:   5d9f912cb7fd7911b43e92d5f8ae5ebcfaecc0c4
SHA256:   3b31650a3e57c934b6c4abadd1e6934003cc37317e68f97b3f9c6679e2577ecc

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. 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 and Winamp Essentials Pack published 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:5,6,1,3133
Product version:5.6.1.3133
Size:73 KB (74,752 bytes)
Build date:3/17/2011 3:56 PM
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
 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...

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:0.00054137%
0.028634%
Kernel CPU:0.00050944%
0.013761%
User CPU:0.00003193%
0.014873%
Kernel CPU time:734,375 ms/min
100,923,805ms/min
Memory
Private memory:3.84 MB
21.59 MB
Private (maximum):5.64 MB
Private (minimum):240 KB
Non-paged memory:3.84 MB
21.59 MB
Virtual memory:34.77 MB
140.96 MB
Virtual memory (peak):40.06 MB
169.69 MB
Working set:380 KB
18.61 MB
Working set (peak):5.64 MB
37.95 MB
Resource allocations
Threads:1
12
Handles:133
600
GUI GDI count:14
103
GUI USER count:4
49

BehaviorsProcess properties

Tray notification:Yes
Integrety level:Undefined
Platform:32-bit
Command line:"C:\Program Files\winamp\winampa.exe"
Owner:User
Parent process:explorer.exe (by Microsoft)

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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