Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.3.9600.16384 (winblue_rtm.130821-1623) 0.59%
6.2.9200.16384 (win8_rtm.120725-1247) 0.88%
6.2.9200.16384 (win8_rtm.120725-1247) 1.47%
6.1.7600.16385 (win7_rtm.090713-1255) 8.50%
6.1.7600.16385 (win7_rtm.090713-1255) 7.04%
6.0.6000.16386 (vista_rtm.061101-2205) 2.64%
6.0.6000.16386 (vista_rtm.061101-2205) 0.59%
5.2.3790.3959 (srv03_sp2_rtm.070216-1710) 0.29%
5.2.3790.3959 (srv03_sp2_rtm.070216-1710) 0.59%
5.1.2600.5512 (xpsp.080413-0852) 49.27%
5.1.2600.5512 (xpsp.080413-0852) 0.29%
5.1.2600.5512 (xpsp.080413-0852) 1.47%
5.1.2600.5512 (xpsp.080413-0852) 0.29%
5.1.2600.5512 (xpsp.080413-0852) 0.29%
5.1.2600.5512 (xpsp.080413-0852) 2.64%
5.1.2600.5512 (xpsp.080413-0852) 0.59%
5.1.2600.5512 (xpsp.080413-0852) 2.35%
5.1.2600.5512 (xpsp.080413-0852) 1.76%
5.1.2600.5512 (xpsp.080413-0852) 0.29%
5.1.2600.5512 (xpsp.080413-0852) 0.88%
5.1.2600.5512 (xpsp.080413-0852) 1.47%
5.1.2600.5512 (xpsp.080413-0852) 0.29%
5.1.2600.3311 (xpsp.080211-1047) 0.59%
5.1.2600.3300 (xpsp.080125-0707) 0.29%
5.1.2600.3244 (xpsp.071030-0319) 0.29%
View more

PE structurePE file structure

Show functions
Import table
advapi32.dll
RegSetValueExW, RegisterEventSourceW, StartServiceCtrlDispatcherW, RegisterServiceCtrlHandlerW, DeregisterEventSource, ChangeServiceConfigW, RegCreateKeyW, SetServiceStatus, ControlService, DeleteService, CreateServiceW, OpenSCManagerW, OpenServiceW, CloseServiceHandle, CryptAcquireContextW, RegSetKeySecurity, GetSecurityDescriptorLength, MakeSelfRelativeSD, ReportEventW, LsaOpenPolicy, LsaQueryInformationPolicy, LsaFreeMemory, LsaClose, CryptReleaseContext, RegNotifyChangeKeyValue, AllocateAndInitializeSid, CryptGenRandom, FreeSid, RegDeleteValueW, SetSecurityDescriptorDacl, RegEnumKeyExW, LookupPrivilegeValueW, AdjustTokenPrivileges, EqualSid, RegDeleteKeyW, RegQueryInfoKeyW, RegQueryValueExW, RegCloseKey, RegCreateKeyExW, RegOpenKeyExW, InitializeSecurityDescriptor, GetLengthSid, SetSecurityDescriptorOwner, SetSecurityDescriptorGroup, GetTokenInformation, OpenProcessToken, GetAce, InitializeAcl, AddAccessAllowedAce
kernel32.dll
WaitForMultipleObjects, SetErrorMode, InterlockedDecrement, GetSystemDirectoryW, GetACP, SetFilePointer, GetLocalTime, GetCommandLineW, Sleep, QueryPerformanceCounter, GetTickCount, GetCurrentProcessId, GetSystemTimeAsFileTime, TerminateProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, GetModuleHandleA, GetStartupInfoW, ExpandEnvironmentStringsW, GetConsoleCP, LocalAlloc, FormatMessageW, LocalFree, CreateMutexW, CreateNamedPipeW, HeapFree, HeapAlloc, GetProcessHeap, VirtualFree, VirtualAlloc, WriteFile, lstrlenW, lstrcpyW, GetLastError, InterlockedIncrement, lstrcmpiW, MultiByteToWideChar, WideCharToMultiByte, lstrlenA, LeaveCriticalSection, EnterCriticalSection, GetCurrentThreadId, CloseHandle, GetCurrentProcess, WaitForSingleObject, InitializeCriticalSection, DeleteCriticalSection, lstrcatW, GetModuleFileNameW, lstrcpynW, FreeLibrary, SizeofResource, LoadResource, FindResourceW, LoadLibraryExW, GetFileSize, CreateFileW, GetProcAddress, LoadLibraryA, GetSystemDirectoryA, CreateEventW, InterlockedExchange, ReleaseMutex, PostQueuedCompletionStatus, SetLastError, GetOEMCP, SetHandleInformation, CreateIoCompletionPort, CreateProcessW, ReadFile, OpenProcess, PeekNamedPipe, GetSystemTime, SetEvent, TerminateThread, GetVersionExW, GetQueuedCompletionStatus, CreateThread, DuplicateHandle, InterlockedCompareExchange, ResetEvent
msvcrt.dll
DllMain
ntlsapi.dll
NtLicenseRequestA, NtLSFreeHandle
ole32.dll
CoInitializeSecurity, CoUninitialize, CoTaskMemRealloc, CoTaskMemAlloc, CoTaskMemFree, CoRegisterClassObject, CoRevokeClassObject, CoInitialize, CoInitializeEx
psapi.dll
EnumProcesses
user32.dll
LoadStringW, CloseWindowStation, CloseDesktop, wsprintfW, CreateDesktopW, SetProcessWindowStation, CreateWindowStationW, OpenWindowStationW, GetProcessWindowStation, wsprintfA, LoadStringA, MessageBoxW, CharNextW
ws2_32.dll
WSASetEvent, WSACloseEvent, WSAResetEvent, WSADuplicateSocketW, WSACreateEvent, WSAEventSelect, WSAEnumNetworkEvents

tlntsvr.exe

Telnet by Microsoft

Remove tlntsvr.exe
Version:   5.1.2600.5512 (xpsp.080413-0852)
MD5:   db7205804759ff62c34e3efd8a4cc76a
SHA1:   1b4296b3d7b5da0ed84239f1344196486f912276
SHA256:   13a4248f528ce98aca66898e56822e4fc49b11f491ff1f61a687ba601bf0a802
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is tlntsvr.exe?

Telnet is a network protocol used on the Internet or local area networks to provide a bidirectional interactive text-oriented communication facility using a virtual terminal connection. User data is interspersed in-band with Telnet control information in an 8-bit byte oriented data connection over the Transmission Control Protocol (TCP).

Overview

tlntsvr.exe runs as a service under the name Telnet (TlntSvr) with extensive SYSTEM privileges (full administrator access). This version is installed on Windows XP and is compiled as a 32 bit program.

DetailsDetails

File name:tlntsvr.exe
Publisher:Microsoft Corporation
Product name:Telnet
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\tlntsvr.exe
File version:5.1.2600.5512 (xpsp.080413-0852)
Product version:5.1.2600.5512
Size:71.5 KB (73,216 bytes)
Digital DNA
PE subsystem:Windows GUI
Entropy:5.911052
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'TlntSvr' (Telnet)
  • 'TlntSvr'

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00755069%
0.028634%
Kernel CPU:0.00314949%
0.013761%
User CPU:0.00440121%
0.014873%
Kernel CPU time:78 ms/min
100,923,805ms/min
Memory
Private memory:1.19 MB
21.59 MB
Private (maximum):3.88 MB
Private (minimum):3.85 MB
Non-paged memory:1.19 MB
21.59 MB
Virtual memory:34.71 MB
140.96 MB
Virtual memory (peak):35.21 MB
169.69 MB
Working set:3.87 MB
18.61 MB
Working set (peak):3.88 MB
37.95 MB
Resource allocations
Threads:3
12
Handles:107
600
GUI GDI count:5
103
GUI USER count:2
49

BehaviorsProcess properties

Integrety level:Undefined
Platform:32-bit
Command line:C:\Windows\System32\tlntsvr.exe
Owner:SYSTEM
Windows Service
Service name:TlntSvr
Display name:Telnet
Description:“Enables a remote user to log on to this computer and run programs, and supports various TCP/IP Telnet clients, including UNIX-based and Windows-based computers. If this service is stopped, remote user access to programs might be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start.”
Type:Win32OwnProcess, InteractiveProcess
Parent process:services.exe (Services and Controller app by Microsoft)

ResourcesThreads

Averages
 
advapi32.dll (Advanced Windows 32 Base API by Microsoft)
Total CPU:0.00868002%
0.272967%
Kernel CPU:0.00124000%
0.107585%
User CPU:0.00744001%
0.165382%
Memory:620 KB
1.16 MB
tlntsvr.exe (main module)
Total CPU:0.00371982%
Kernel CPU:0.00371982%
User CPU:0.00000000%
Memory:84 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 95.00%
Windows XP Professional 4.50%
Windows Server 2003, Standard Edition 0.50%

Distribution by countryDistribution by country

United States installs about 35.52% of Telnet.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 38.67%
Intel 16.00%
Toshiba 8.00%
Compaq 8.00%
American Megatrends 7.33%
Hewlett-Packard 6.00%
GIGABYTE 5.33%
Sahara 2.67%
Gateway 2.67%
Acer 1.33%
Lenovo 1.33%
ASUS 1.33%
Sony 1.33%
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