windows-kb890830-x64-v5.36.exe

Malicious Software Removal Tool

Microsoft Corporation

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

Product:
Malicious Software Removal Tool

Description:
Microsoft Windows Malicious Software Removal Tool (KB890830)

Version:
5.36.12600.0

MD5:
3548b8362c15fdcdb643619d1b56cf9b

SHA-1:
8c158268afa40e58b2fc51614ad453e9f2104e92

SHA-256:
d8c4e01a03879003caa715547207dce521350f11941d6db76795a6e0c6f71f28

Scanner detections:
0 / 68

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

Analysis date:
12/26/2024 2:34:56 AM UTC  (today)

File size:
46.9 MB (49,152,216 bytes)

Product version:
5.36.12600.0

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
MRTStub.exe

File type:
Executable application (Win64 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\windows-kb890830-x64-v5.36.exe

Digital Signature
Authority:
Microsoft Corporation

Valid from:
6/4/2015 1:42:45 PM

Valid to:
9/4/2016 1:42:45 PM

Subject:
CN=Microsoft Corporation, OU=AOC, 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:
3300000109E3CDCA941016A298000100000109

File PE Metadata
Compilation timestamp:
4/27/2016 7:34:25 PM

OS version:
10.0

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
786432:GAiUN2USHsF/f/8DvxKGInkL5mQAAumfclqzqpTSrUs8bCMywbVrvfU2G4i9BD5j:dNTSHs9ncvsnkEQHJz2s8brIdH316Nmn

Entry address:
0x9730

Entry point:
48, 83, EC, 28, E8, 93, 01, 00, 00, 48, 83, C4, 28, E9, 6E, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 66, 66, 0F, 1F, 84, 00, 00, 00, 00, 00, 48, 3B, 0D, A1, 98, 02, 00, 75, 11, 48, C1, C1, 10, 66, F7, C1, FF, FF, 75, 02, F3, C3, 48, C1, C9, 10, E9, B1, 06, 00, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, E9, E3, 91, FF, FF, CC, CC, CC, CC, CC, CC, CC, 40, 53, 48, 83, EC, 20, 48, 8B, D9, EB, 21, 48, 8B, CB, E8, E1, 5E, 00, 00, 85, C0, 75, 12, 48, 83, FB, FF, 75...
 
[+]

Entropy:
7.9977  (probably packed)

Code size:
127 KB (130,048 bytes)

The file windows-kb890830-x64-v5.36.exe has been seen being distributed by the following 4 URLs.

http://au.ds.download.windowsupdate.com/d/msdownload/update/software/uprl/2016/.../windows-kb890830-x64-v5.36_8c158268afa40e58b2fc51614ad453e9f2104e92.exe