Should I block it?

No, this file is 100% safe to run.

PE structurePE file structure

Show functions
Import table
kernel32.dll
DeleteCriticalSection, InitializeCriticalSection, CreateDirectoryA, lstrcpyA, lstrcmpA, lstrcmpiA, GlobalFree, lstrcpynA, GlobalAlloc, lstrcatA, lstrlenA, GetVersion, LeaveCriticalSection, EnterCriticalSection, GetStdHandle, HeapAlloc, GetProcessHeap, HeapFree, GetLastError, CreateFileA, WriteFile, ReadFile, CloseHandle, SetFilePointer
user32.dll
MessageBoxA, DispatchMessageA, TranslateMessage, PeekMessageA, CharPrevA, wsprintfA, SendMessageA, GetDlgItem, FindWindowExA
Export table
extract_RunDLL
Unzip
UnzipToLog
UnzipToStack

nsisunz.dll

Remove nsisunz.dll
MD5:   5f13dbc378792f23e598079fc1e4422b
SHA1:   5813c05802f15930aa860b8363af2b58426c8adf

Overview

nsisunz.dll is loaded as dynamic link library that runs in the context of a process. This particular version is usually found on Microsoft Windows XP (5.1.2600.196608).

DetailsDetails

File name:nsisunz.dll
Typical file path:C:\Documents and Settings\user\Local Settings\Temp\nsm2C.tmp\nsisunz.dll
Size:40 KB (40,960 bytes)
Build date:7/13/2005 10:41 PM
Digital DNA
PE subsystem:Windows GUI
File packed:No
.NET CLR:No
More details

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 100.00%

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 100.00%
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