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.)


PE structurePE file structure

Show functions
Import table
CloseServiceHandle, RegQueryValueExA, RegOpenKeyExA, DeleteService, ControlService, OpenServiceA, OpenSCManagerA, StartServiceA, CreateServiceA, StartServiceCtrlDispatcherA, RegisterServiceCtrlHandlerA, RegCreateKeyExA, RegSetValueExA, SetServiceStatus, RegCloseKey
CryptDecodeObject, CertFreeCertificateContext, CryptMsgClose, CertCloseStore, CertVerifyTimeValidity, CertFindCertificateInStore, CryptMsgGetParam, CertGetNameStringA, CryptQueryObject
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


By Even Balance (Signed)

Remove pnkbstrb.exe
MD5:   bb67daf467df597a7df6f5ae67174ea4
SHA1:   a3d17c937964a99921acf1f135b645f663d08665
SHA256:   cd7c3bf1e73c37d50e8f680ce22ea115a5e836a5ed03ed452258222dc1053616


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).


File name:pnkbstrb.exe
Typical file path:C:\windows\syswow64\pnkbstrb.exe
Size:184.95 KB (189,392 bytes)
Issued to:Even Balance
Authority (CA):VeriSign
Digital DNA
File packed:No
More details


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'

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%
ASUS 20.00%
Acer 15.00%
Lenovo 10.00%
Dell 10.00%
Hewlett-Packard 5.00%
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