Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

c1710 25.00%
7e3c8 10.00%
00a01 2.50%
959ea 5.00%
5ccde 2.50%
250de 2.50%
6eb64 2.50%
28add 2.50%
a7850 2.50%
bf712 7.50%
8df4c 7.50%
20bf0 2.50%
8e667 2.50%
404fe 10.00%
220d9 2.50%
d8a20 2.50%
af61b 2.50%
13080 2.50%
8cf05 2.50%
dbd31 2.50%
(Note, AT&T Services publishes each variation of this file with the same version, but the hashes are unique.)

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
RegSetValueExA, RegOpenKeyExA, RegCloseKey, RegEnumValueA, RegQueryValueExA
kernel32.dll
GlobalAlloc, GlobalFree, GlobalSize, GetLastError, lstrcpyA, lstrcpynA, FreeLibrary, lstrcatA, GetProcAddress, LoadLibraryA, GetModuleHandleA, MultiByteToWideChar, lstrlenA, WideCharToMultiByte, VirtualAlloc, VirtualProtect, lstrcpyW, lstrcpynW, lstrcatW, lstrlenW, lstrcmpiW, LoadLibraryW, GetModuleHandleW, lstrcmpiA, IsDebuggerPresent, SetUnhandledExceptionFilter, UnhandledExceptionFilter, SetPriorityClass, GetFileSize, SetThreadPriority, IsProcessorFeaturePresent, GetCurrentDirectoryA, GetCurrentProcess, TerminateProcess, InterlockedCompareExchange, InterlockedExchange, DecodePointer, DisableThreadLibraryCalls, QueryPerformanceCounter, GetCurrentProcessId, GetSystemTimeAsFileTime, GetShortPathNameA, SetCurrentDirectoryA, FindClose, FindNextFileA, FindFirstFileA, SetFilePointer, SetEndOfFile, SetFileAttributesA, DeleteFileA, RemoveDirectoryA, CreateDirectoryA, WriteFile, FatalAppExitA, ReadFile, CreateFileA, GetFileAttributesA, GetDiskFreeSpaceExA, GetVolumeInformationA, Sleep, TerminateThread, CreateMutexA, ReleaseMutex, PulseEvent, ResetEvent, SetEvent, WaitForSingleObject, CloseHandle, CreateEventA, GetTickCount, GetCurrentThreadId, GetModuleFileNameA, SleepEx, EncodePointer
lz32.dll
LZOpenFileA, LZRead, LZSeek, LZClose
msvcp100.dll
DllMain
msvcr100.dll
DllMain
msvcrt.dll
DllMain
ole32.dll
StringFromGUID2, CLSIDFromString
shlwapi.dll
SHDeleteValueA, SHGetValueA, SHSetValueA, PathFindFileNameA
user32.dll
wsprintfA, wsprintfW, SendMessageA, SetWindowTextA, PostThreadMessageA, LoadStringA, GetMessageA, DispatchMessageA, TranslateMessage, TranslateAcceleratorA
Export table
Alloc
Call
Copy
Free
Get
Int64Op
Store
StrAlloc

System.dll

By AT&T Services (Signed)

Remove System.dll
MD5:   130802a1dffc2a2b075f5819955d7748
SHA1:   0c2aac6062382f572b9547e85c1f138f76e75240

Overview

System.dll is loaded as dynamic link library that runs in the context of a process. The file is digitally signed by AT&T Services which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:System.dll
Typical file path:C:\Documents and Settings\user\Local Settings\Temp\nsj2DD.tmp\System.dll
Size:1.88 MB (1,966,080 bytes)
Build date:7/12/2013 3:25 AM
Certificate
Issued to:AT&T Services
Authority (CA):VeriSign
Expiration date:Saturday, September 7, 2013
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++ 10.0
.NET CLR:No
More details

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 37.50%
Windows 7 Ultimate N 17.50%
Windows 7 Ultimate 12.50%
Windows 7 Home Premium 7.50%
Windows 7 Professional 7.50%
Windows 7 Starter 5.00%
Windows Vista Home Basic 2.50%
Windows Developer Preview 2.50%
Windows 8 Pro 2.50%
Windows 8 Pro with Media Center 2.50%
Windows Vista Home Premium 2.50%

Distribution by countryDistribution by country

United States installs about 52.78% of System.dll.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 24.00%
Acer 20.00%
Intel 16.00%
Dell 16.00%
Lenovo 8.00%
Compaq 8.00%
Sony 8.00%
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