Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

2, 7, 10, 0 10.00%
2, 6, 0, 0 3.33%
2, 5, 1, 0 3.33%
2.0.4.0 36.67%
2.0.3.0 3.33%
2.0.2.0 36.67%
2.0.2.0 6.67%

Relationships

Parent processes
Child processes
Related files

PE structurePE file structure

Show functions
Import table
advapi32.dll
ImpersonateNamedPipeClient, RevertToSelf, ImpersonateLoggedOnUser, SetTokenInformation, CreateProcessAsUserW, ControlService, DuplicateToken, DuplicateTokenEx, OpenThreadToken, RegSetValueExW, RegCloseKey, RegDeleteValueW, RegDeleteKeyW, RegOpenKeyW, RegQueryValueExW, RegCreateKeyExW, RegEnumKeyW, RegCreateKeyW, SetEntriesInAclW, SetSecurityDescriptorDacl, InitializeSecurityDescriptor, ConvertStringSidToSidW, CopySid, GetTokenInformation, OpenProcessToken, RegisterServiceCtrlHandlerW, SetServiceStatus, StartServiceCtrlDispatcherW, SetSecurityInfo, CreateServiceW, CloseServiceHandle, DeleteService, OpenSCManagerW, OpenServiceW, ChangeServiceConfig2W, StartServiceW, QueryServiceStatusEx, ReportEventW, RegisterEventSourceW
comctl32.dll
InitCommonControlsEx
gdi32.dll
GetObjectW, BitBlt, DeleteDC, CreateDIBSection, GetDIBits, GetCurrentObject, DeleteObject, SelectObject, CreateCompatibleDC, GetBitmapBits, CreateDCW, ExtEscape
kernel32.dll
ProcessIdToSessionId, Sleep, FindFirstFileW, SetErrorMode, DisconnectNamedPipe, SetNamedPipeHandleState, CreatePipe, SetHandleInformation, GetOverlappedResult, CreateNamedPipeW, ConnectNamedPipe, CreateFileMappingW, CreateEventW, MapViewOfFile, DuplicateHandle, WaitForMultipleObjects, GetExitCodeProcess, CreateProcessW, ReleaseMutex, GetLogicalDriveStringsW, CreateThread, ResumeThread, SetEndOfFile, SystemTimeToFileTime, GetLocalTime, SetEnvironmentVariableA, RemoveDirectoryW, CompareStringA, ReadFile, FlushFileBuffers, CreateFileA, WriteConsoleW, GetConsoleOutputCP, WriteConsoleA, SetStdHandle, CreateDirectoryW, SetFileTime, MoveFileW, GlobalUnlock, GlobalAlloc, GlobalLock, GetModuleHandleW, DeleteFileW, CreateMutexW, FindNextFileW, SetEvent, WaitForSingleObject, OpenThread, GetModuleFileNameW, GetVersionExW, GetComputerNameW, GetProcAddress, LoadLibraryW, FreeLibrary, LocalFree, LocalAlloc, GetCurrentProcessId, CloseHandle, GetCurrentThreadId, CreateFileW, SetUnhandledExceptionFilter, GetLastError, FormatMessageW, DeleteCriticalSection, EnterCriticalSection, LeaveCriticalSection, InitializeCriticalSection, GetCurrentProcess, MultiByteToWideChar, WideCharToMultiByte, CompareStringW, FindClose, GetFileSizeEx, UnmapViewOfFile, GetEnvironmentStringsW, GetConsoleMode, GetStartupInfoW, TerminateProcess, UnhandledExceptionFilter, IsDebuggerPresent, GetSystemTimeAsFileTime, HeapFree, TlsGetValue, TlsAlloc, TlsSetValue, TlsFree, InterlockedIncrement, SetLastError, InterlockedDecrement, HeapSize, ExitProcess, WriteFile, GetStdHandle, GetModuleFileNameA, FreeEnvironmentStringsW, GetModuleHandleA, GetCommandLineW, SetHandleCount, GetFileType, GetStartupInfoA, HeapCreate, VirtualFree, QueryPerformanceCounter, GetTickCount, HeapAlloc, RaiseException, GetCPInfo, GetACP, GetOEMCP, IsValidCodePage, LCMapStringW, VirtualAlloc, HeapReAlloc, LoadLibraryA, InitializeCriticalSectionAndSpinCount, RtlUnwind, LCMapStringA, GetStringTypeA, GetStringTypeW, GetLocaleInfoA, SetFilePointer, GetConsoleCP, FreeResource, FindResourceW, LoadResource, LockResource, FileTimeToSystemTime, OpenProcess
psapi.dll
GetModuleFileNameExW
shell32.dll
SHGetSpecialFolderPathW, ShellExecuteExW, ShellExecuteW, Shell_NotifyIconW, CommandLineToArgvW
user32.dll
SetForegroundWindow, LoadMenuW, RemoveMenu, SetMenuDefaultItem, CloseClipboard, GetMessageW, IsClipboardFormatAvailable, GetClipboardData, EmptyClipboard, ChangeClipboardChain, OpenClipboard, SendMessageW, SetClipboardData, SetClipboardViewer, EnumWindows, IsWindowVisible, RegisterWindowMessageW, DrawIconEx, GetIconInfo, GetCursorInfo, GetWindowRect, GetForegroundWindow, GetClassNameW, GetCursorPos, GetDC, CallNextHookEx, WaitMessage, PeekMessageW, PostThreadMessageW, SetWindowsHookExW, UnhookWindowsHookEx, DispatchMessageW, SendInput, GetWindowInfo, MoveWindow, MapWindowPoints, CreateDialogParamW, EndDialog, SetWindowLongW, GetWindowLongW, DialogBoxParamW, GetSubMenu, SetWindowTextW, ShowWindow, GetWindowTextW, InvalidateRect, SetFocus, EnumChildWindows, DefWindowProcW, RegisterClassW, CreateWindowExW, UnregisterClassW, DestroyIcon, GetClientRect, GetUserObjectInformationW, SetThreadDesktop, CloseDesktop, OpenDesktopW, OpenInputDesktop, GetThreadDesktop, IsDialogMessageW, TranslateMessage, PostQuitMessage, OpenWindowStationW, CloseWindowStation, SetProcessWindowStation, ExitWindowsEx, LockWorkStation, ToUnicodeEx, GetWindowThreadProcessId, GetKeyboardLayout, GetKeyState, MapVirtualKeyW, VkKeyScanExW, GetSystemMetrics, SetTimer, KillTimer, GetDlgItem, PostMessageW, FindWindowW, SystemParametersInfoW, LoadIconW, LoadStringW, MessageBoxW, TrackPopupMenu, DestroyWindow, SetClassLongW, IsWindow, EnumDisplayMonitors, GetWindow, FindWindowExW, ChangeDisplaySettingsExW, EnumDisplayDevicesW
version.dll
GetFileVersionInfoSizeW, VerQueryValueW, GetFileVersionInfoW
wtsapi32.dll
WTSFreeMemory, WTSQuerySessionInformationW

tvnserver.exe

TightVNC by GlavSoft LLC. (Signed)

Remove tvnserver.exe
Version:   2.0.2.0
MD5:   711561440fdc396cb6e4c69c13375a38
SHA1:   7b0041081b6222de8ef68e742e91656977f27a4a
SHA256:   42489100f9e0cced6cc3c7a6cce6fdf4ef31a773d7d39a24f06db2dcbaaa1e87

Overview

tvnserver.exe runs as a service under the name TightVNC Server (tvnserver) with extensive SYSTEM privileges (full administrator access). 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 TightVNC 2.0.2 published by GlavSoft LLC., Jewel - Georgia-Cumberland from Jewel Church Accounting and Jewel - Georgia-Cumberland by Jewel Church Accounting. The file is digitally signed by GlavSoft LLC. which was issued by the Thawte 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:tvnserver.exe
Publisher:GlavSoft LLC.
Product name:TightVNC
Description:TightVNC Server for Windows
Typical file path:C:\Program Files\common files\comodo\tvnserver.exe
File version:2.0.2.0
Size:796.59 KB (815,704 bytes)
Certificate
Issued to:GlavSoft LLC.
Authority (CA):Thawte
Expiration date:Friday, March 29, 2013
Digital DNA
PE subsystem:Windows GUI
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
GlavSoft LLC.
3% remove
TightVNC is a cross-platform open source remote desktop software application that uses and extends VNC's RFB protocol to control another computer's screen remotely. TightVNC uses so-called "tight encoding" of areas, which is effectively a combination of JPEG compression and other types of encoding. It is possible to watch videos and play DirectX games through TightVNC over a broadband connection, albeit at a low frame rate. TightVNC inc...
Jewel Church Accounting
9% remove
Jewel Church Accounting
4% remove
Jewel Church Accounting
2% remove
LogMeIn, Inc.
7% remove
LogMeIn remote access products use a proprietary remote desktop protocol that is transmitted via SSL. An SSL certificate is created for each remote desktop and is used to cryptographically secure communications between the remote desktop and the accessing computer. Users access remote desktops using either the LogMeIn Ignition stand-alone application or a web portal. The web portal requires either an ActiveX plugin for Internet Explorer...

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'tvnserver' (TightVNC Server)
  • tvnserver
Startup files (all users) run
Runs under the registry key 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'tvncontrol' → "C:\Program Files\Common Files\Comodo\tvnserver.exe" -controlservice -slave

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00105496%
0.028634%
Kernel CPU:0.00057306%
0.013761%
User CPU:0.00048191%
0.014873%
Kernel CPU time:11,428 ms/min
100,923,805ms/min
CPU cycles:11,082,923/sec
17,470,203/sec
Context switches:588/sec
284/sec
Memory
Private memory:2.05 MB
21.59 MB
Private (maximum):4.23 MB
Private (minimum):2.85 MB
Non-paged memory:2.05 MB
21.59 MB
Virtual memory:48.75 MB
140.96 MB
Virtual memory (peak):49.91 MB
169.69 MB
Working set:3.12 MB
18.61 MB
Working set (peak):4.82 MB
37.95 MB
Page faults:3,986/min
2,039/min
I/O
I/O read transfer:12 Bytes/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O other transfer:259.44 KB/sec
448.09 KB/min
I/O other operations:16,604/sec
1,671/min
Resource allocations
Threads:8
12
Handles:134
600
GUI GDI count:8
103
GUI GDI peak:12
142
GUI USER count:9
49
GUI USER peak:9
71

BehaviorsProcess properties

Integrety level:Undefined
Platform:32-bit
Command lines:
  • "C:\Program Files\showmypcservice\tvnserver.exe" -service
  • "C:\programmer\showmypcservice\tvnserver.exe" -service
  • "C:\Program Files\showmypcservice\tvnserver.exe" -controlservice -slave
  • "C:\Program Files\tightvnc\tvnserver.exe" -service
Owner:SYSTEM
Windows Service
Service name:tvnserver
Display name:TightVNC Server
Type:Win32OwnProcess
Parent process:services.exe (Tjenester og controllerprogrammer by Microsoft)

ResourcesThreads

Averages
 
tvnserver.exe (main module)
Total CPU:0.00758131%
0.272967%
Kernel CPU:0.00505891%
0.107585%
User CPU:0.00252239%
0.165382%
CPU cycles:888,542/sec
5,741,424/sec
Context switches:162/sec
79/sec
Memory:804 KB
1.16 MB
wow64.dll (Win32 Emulation on NT64 by Microsoft)
Total CPU:0.00083006%
Kernel CPU:0.00083006%
User CPU:0.00000000%
CPU cycles:30,584/sec
Memory:252 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 51.85%
Microsoft Windows XP 14.81%
Windows 7 Professional 14.81%
Windows 7 Ultimate N 11.11%
Windows Vista Ultimate 3.70%
Windows 8 Pro 3.70%

Distribution by countryDistribution by country

United States installs about 38.46% of TightVNC.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Sony 53.33%
Acer 33.33%
Dell 13.33%
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