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kb3122661.exe

Microsoft .NET Framework 4.6

Microsoft Corporation

This is a setup program which is used to install the application. The file has been seen being downloaded from au.download.windowsupdate.com and multiple other hosts.
Publisher:
Microsoft Corporation  (signed and verified)

Product:
Microsoft .NET Framework 4.6

Description:
Security Update for Microsoft .NET Framework 4.6 (KB3122661)

Version:
4.6.01067.04

MD5:
7369031ff5dd398e1892f1cec7eb224b

SHA-1:
a1fb6e829522dda110a53fdc29038696b626f948

SHA-256:
174fa56c079c606ef71611de7b22c35c82a1791e9088f02f218011da156e4562

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)
Whitelisted  (by digital signature)

Analysis date:
1/13/2025 10:04:57 AM UTC  (today)

File size:
2.4 MB (2,558,128 bytes)

Product version:
4.6.01067.04

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
NDP46-KB3122661-x64.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\iobit\advanced systemcare\securityhole_backup\kb3122661.exe

Digital Signature
Signed by:
Microsoft Corporation

Authority:
Microsoft Corporation

Valid from:
6/4/2015 12:42:45 PM

Valid to:
9/4/2016 12:42:45 PM

Subject:
CN=Microsoft Corporation, OU=MOPR, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

Issuer:
CN=Microsoft Code Signing PCA, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

Serial number:
330000010A2C79AED7797BA6AC00010000010A

File PE Metadata
Compilation timestamp:
9/21/2015 4:54:13 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
49152:zUY9lr95qLfq+DLNDvmq/tQl8a7xCUj5fuG3qzBZn75uFt/XpNbaHG0n+qQGl:zUY9lreL9DpU8UVp3UnFYvNMn+qQ8

Entry address:
0x18BDF

Entry point:
E8, CB, 19, 00, 00, E9, 89, FE, FF, FF, 3B, 0D, 50, 80, 42, 00, 75, 02, F3, C3, E9, 52, 1A, 00, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, 8B, D0, 66, 8B, 08, 83, C0, 02, 66, 85, C9, 75, F5, 66, 8B, 4D, 0C, 83, E8, 02, 3B, C2, 74, 05, 66, 39, 08, 75, F4, 66, 39, 08, 74, 02, 33, C0, 5D, C3, 8B, FF, 55, 8B, EC, 56, 8B, 75, 08, 57, 85, F6, 74, 07, 8B, 7D, 0C, 85, FF, 75, 15, E8, EC, 1C, 00, 00, 6A, 16, 5E, 89, 30, E8, 90, 1C, 00, 00, 8B, C6, 5F, 5E, 5D, C3, 8B, 45, 10, 85, C0, 75, 05, 66, 89, 06, EB, DF, 8B, D6, 2B...
 
[+]

Entropy:
7.9731  (probably packed)

Code size:
155 KB (158,720 bytes)

The file kb3122661.exe has been seen being distributed by the following 2 URLs.

http://au.download.windowsupdate.com/d/msdownload/update/software/secu/2015/.../ndp46-kb3122661-x64_a1fb6e829522dda110a53fdc29038696b626f948.exe

https://download.microsoft.com/download/B/D/1/.../NDP46-KB3122661-x64.exe

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