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:   cab7847b047f435607859dee19e1a119
SHA1:   5212b18defa121ff44fcff758db56c92b9672caa
SHA256:   70381f62a03012570f5c30a3f9f8e75a9e268cc7ead09630fb63d78eca6c426d

Overview

pnkbstrb.exe runs as a service under the name PnkBstrB within the local user context. 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). Note, some antivirus scanners have flagged this file, however it is not necessarily considered malware (see below for details).

DetailsDetails

File name:pnkbstrb.exe
Typical file path:C:\windows\syswow64\pnkbstrb.exe
Size:284.3 KB (291,128 bytes)
Build date:6/1/2013 5:57 PM
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'
Network connections
Access through an approved Windows firewall exception
  • [UDP] listens on port 45301

    • ResourcesResource utilization

    (Note: statistics below are averages based on a minimum sample size of 200 unique participants)
    Averages
     
    CPU
    Total CPU:0.01471238%
    0.028634%
    Kernel CPU:0.01051434%
    0.013761%
    User CPU:0.00419803%
    0.014873%
    Kernel CPU time:4,609,375 ms/min
    100,923,805ms/min
    Context switches:613/sec
    284/sec
    Memory
    Private memory:21.81 MB
    21.59 MB
    Private (maximum):13.34 MB
    Private (minimum):5.1 MB
    Non-paged memory:21.81 MB
    21.59 MB
    Virtual memory:53.64 MB
    140.96 MB
    Virtual memory (peak):53.64 MB
    169.69 MB
    Working set:13.34 MB
    18.61 MB
    Working set (peak):13.34 MB
    37.95 MB
    Resource allocations
    Threads:4
    12
    Handles:140
    600
    GUI GDI count:4
    103
    GUI USER count:2
    49

    BehaviorsProcess properties

    Integrety level:Undefined
    Platform:32-bit
    Command line:C:\Windows\System32\pnkbstrb.exe
    Owner:User
    Windows Service
    Service name:PnkBstrB
    Description:“PunkBuster Service Component [v2.304 BFP4F] http://www.evenbalance.com”
    Type:Win32OwnProcess
    Parent process:services.exe (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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