Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

27f1b 40.00%
0e4c4 7.50%
1428e 17.50%
e2410 5.00%
1f438 2.50%
13721 2.50%
9a386 2.50%
0066c 2.50%
7c018 2.50%
8b3fc 2.50%
19fb4 2.50%
bb67d 2.50%
cab78 2.50%
ada0d 2.50%
43cb6 2.50%
49b76 2.50%
(Note, Even Balance publishes each variation of this file with the same version, but the hashes are unique.)

Relationships

Parent process
Related files

PE structurePE file structure

Show functions
Import table
advapi32.dll
CloseServiceHandle, RegQueryValueExA, RegOpenKeyExA, DeleteService, ControlService, OpenServiceA, OpenSCManagerA, StartServiceA, CreateServiceA, StartServiceCtrlDispatcherA, RegisterServiceCtrlHandlerA, RegCreateKeyExA, RegSetValueExA, SetServiceStatus, RegCloseKey
crypt32.dll
CryptDecodeObject, CertFreeCertificateContext, CryptMsgClose, CertCloseStore, CertVerifyTimeValidity, CertFindCertificateInStore, CryptMsgGetParam, CertGetNameStringA, CryptQueryObject
kernel32.dll
lstrcmpA, FileTimeToLocalFileTime, SystemTimeToFileTime, GetFileAttributesA, SetFileAttributesA, FileTimeToSystemTime, MultiByteToWideChar, FormatMessageA, lstrlenA, LocalAlloc, LocalFree, LoadLibraryA, GetProcAddress, DeviceIoControl, GetPriorityClass, GetCurrentThread, GetThreadPriority, CloseHandle, CreateFileA, GetTickCount, SetEnvironmentVariableA, CompareStringW, CompareStringA, HeapSize, SetEndOfFile, SetStdHandle, IsBadCodePtr, IsBadReadPtr, SetUnhandledExceptionFilter, InitializeCriticalSection, VirtualProtect, GetOEMCP, GetACP, GetSystemDirectoryA, CopyFileA, Sleep, GetVersionExA, GetSystemInfo, GetCurrentProcess, GetLastError, FreeLibrary, lstrcpyW, GetCurrentProcessId, ExitProcess, HeapAlloc, HeapFree, RtlUnwind, DeleteFileA, GetSystemTimeAsFileTime, WideCharToMultiByte, GetModuleHandleA, GetCommandLineA, QueryPerformanceCounter, GetCurrentThreadId, GetModuleFileNameA, TlsAlloc, SetLastError, TlsFree, TlsSetValue, TlsGetValue, LCMapStringA, LCMapStringW, DeleteCriticalSection, LeaveCriticalSection, EnterCriticalSection, HeapDestroy, HeapCreate, VirtualFree, VirtualAlloc, HeapReAlloc, IsBadWritePtr, ReadFile, SetHandleCount, GetStdHandle, GetFileType, GetStartupInfoA, SetFilePointer, InterlockedExchange, VirtualQuery, WriteFile, FlushFileBuffers, GetTimeZoneInformation, TerminateProcess, UnhandledExceptionFilter, FreeEnvironmentStringsA, GetEnvironmentStrings, FreeEnvironmentStringsW, GetEnvironmentStringsW, GetStringTypeA, GetStringTypeW, GetCPInfo, GetLocaleInfoA, CreateDirectoryA
shell32.dll
SHGetFolderPathA
user32.dll
wsprintfA
wintrust.dll
WinVerifyTrust

pnkbstrb.exe

By Even Balance (Signed)

Remove pnkbstrb.exe
MD5:   0066cfc9dec92cef609fd9ff55accaa9
SHA1:   0ca3574fa2527d3b2aba557efb5456e4fc87d5bf
SHA256:   5a52fa63b8d52b96526705927814c31f2497a51f3eb1ce9289740c038337b828

Overview

pnkbstrb.exe runs as a service under the name PnkBstrB with extensive SYSTEM privileges (full administrator access). It has been configured with a firewall exception which allows both inbound and outbound network communication without being blocked. The file is digitally signed by Even Balance which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:pnkbstrb.exe
Typical file path:C:\windows\syswow64\pnkbstrb.exe
Size:213.38 KB (218,496 bytes)
Certificate
Issued to:Even Balance
Authority (CA):VeriSign
Digital DNA
File packed:No
.NET CLR:No
More details

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'PnkBstrB'
Windows firewall allowed programs
Exceptions allow programs to access to the Internet through an outbound connections
  • Firewall exception for 'C:\WINDOWS\system32\PnkBstrB.exe'
  • Firewall exception for 'C:\WINDOWS\system32\PnkBstrB.exe'

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.02464867%
0.028634%
Kernel CPU:0.01661106%
0.013761%
User CPU:0.00803761%
0.014873%
Memory
Private (maximum):4.39 MB
Private (minimum):4.33 MB

BehaviorsProcess properties

Platform:64-bit
Command line:C:\windows\syswow64\pnkbstrb.exe
Owner:SYSTEM
Windows Service
Service name:PnkBstrB
Description:“PunkBuster Service Component [v2.304 BFP4F] http://www.evenbalance.com”
Type:Win32OwnProcess
Parent process:services.exe (Services and Controller app by Microsoft)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 27.50%
Windows 7 Home Premium 20.00%
Windows 7 Ultimate 15.00%
Windows 7 Professional 12.50%
Windows 7 Home Basic 7.50%
Windows Developer Preview 5.00%
Windows Vista Home Premium 5.00%
Windows Vista Home Basic 5.00%
Windows 8 Pro 2.50%

Distribution by countryDistribution by country

United States installs about 30.00% of pnkbstrb.exe.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Toshiba 20.00%
GIGABYTE 20.00%
ASUS 20.00%
Acer 15.00%
Lenovo 10.00%
Dell 10.00%
Hewlett-Packard 5.00%
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