Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

19.9.1.14 22.45%
19.9.0.9 36.73%
19.5.0.145 1.02%
19.1.0.28 4.08%
19.0.0.128 1.02%
18.7.2.3 25.51%
18.7.1.3 3.06%
18.6.0.29 1.02%
17.9.0.12 3.06%
16.8.3.6 2.04%

Relationships

PE structurePE file structure
Show functions
Import table
kernel32.dll
InterlockedIncrement, InterlockedDecrement, GetFullPathNameW, CloseHandle, GetLastError, CreateFileW, DeviceIoControl, SizeofResource, LockResource, LoadResource, FindResourceW, FindResourceExW, GetSystemTime, DisableThreadLibraryCalls, GetFileSize, ReadFile, GetFileAttributesW, SetFilePointer, SetEndOfFile, WaitForSingleObject, SystemTimeToFileTime, GetDiskFreeSpaceExW, CreateFileMappingW, MapViewOfFileEx, OpenFileMappingW, UnmapViewOfFile, FindFirstFileW, FindNextFileW, FindClose, SetFileAttributesW, DeleteFileW, RemoveDirectoryW, GetModuleFileNameW, OutputDebugStringW, lstrlenW, LoadLibraryExW, GetSystemTimeAsFileTime, GetCurrentProcessId, GetCurrentThreadId, GetTickCount, QueryPerformanceCounter, IsDebuggerPresent, SetUnhandledExceptionFilter, GetCurrentProcess, TerminateProcess, InterlockedCompareExchange, Sleep, DeleteCriticalSection, InitializeCriticalSection, LeaveCriticalSection, EnterCriticalSection, GetProcessHeap, HeapSize, HeapReAlloc, HeapFree, HeapAlloc, HeapDestroy, RaiseException, LoadLibraryA, InterlockedExchange, FreeLibrary, GetProcAddress, LocalAlloc, UnhandledExceptionFilter, LocalFree, IsBadWritePtr, IsBadStringPtrW, lstrlenA, LoadLibraryExA, GetVersionExA
msvcp80.dll
DllMain
msvcp90.dll
DllMain
msvcr80.dll
DllMain
msvcr90.dll
DllMain
ole32.dll
CoCreateGuid, CLSIDFromString
user32.dll
UnregisterClassA
Export table
GetFactory
GetObjectCount

QBackup.dll

Symantec Shared Component by Symantec Corporation (Signed)

Remove QBackup.dll
Version:   18.7.2.3
MD5:   93065308c1b237a9c4a021a0c5aa65ca
SHA1:   af1896179817e0ebfb7fb63f5eb6a75c764ea6f7
SHA256:   16d5e8d2822ab84215f7d1008e7184c290339091f0119d8b0879cf10ad19e438

What is QBackup.dll?

Quarantine/Backup Engine is part of Norton Internet Security, a PC program that provides malware prevention and removal during subscription period and uses signatures and heuristics to identify viruses, trojans and other malware. Norton Internet Security features include a email spam filtering, personal firewall, and phishing protection.

About QBackup.dll (from Symantec Corporation)

“Norton Internet Security lets you email, chat and surf the Web without worrying about cybercriminals ripping you off. It delivers protection from online dangers without sacrificing performance. It g”

DetailsDetails

File name:qbackup.dll
Publisher:Symantec Corporation
Product name:Symantec Shared Component
Description:Quarantine/Backup Engine
Typical file path:C:\Program Files\norton antivirus\engine\19.9.0.9\qbackup.dll
File version:18.7.2.3
Product version:18.7
Size:110.46 KB (113,112 bytes)
Certificate
Issued to:Symantec Corporation
Authority (CA):VeriSign
Effective date:Tuesday, September 7, 2010
Expiration date:Saturday, November 23, 2013
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++ 9.0
.NET CLR:No
More details

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 47.96%
Windows Vista Home Premium 14.29%
Microsoft Windows XP 11.22%
Windows 7 Professional 10.20%
Windows 7 Ultimate 8.16%
Windows 7 Home Basic 3.06%
Windows 8 Pro 3.06%
Windows 8 1.02%
Windows 7 Starter 1.02%

Distribution by countryDistribution by country

United States installs about 61.22% of Symantec Shared Component.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 35.85%
Toshiba 22.64%
Dell 22.64%
Acer 5.66%
GIGABYTE 3.77%
Lenovo 3.77%
Sony 3.77%
Samsung 1.89%
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