kb958644.exe

Windows XP Family

Microsoft Corporation

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

Product:
Windows XP Family

Description:
Security Update

Version:
1

MD5:
1ae0a0f4c502357862e8f2ac61c5754c

SHA-1:
bf82bda995dfd3fdecf7a0bd9bb3102b74b21866

Scanner detections:
0 / 68

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

Analysis date:
12/18/2018 4:51:49 PM UTC  (today)

File size:
638.9 KB (654,192 bytes)

Product version:
6.2.0029.0

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
SFXCAB.EXE

File type:
Executable application (Win32 EXE)

Language:
Brazilian Portuguese

Common path:
C:\Program Files\iobit\advanced systemcare 5\securityhole_backup\kb958644.exe

Digital Signature
Authority:
Microsoft Corporation

Valid from:
8/22/2007 9:23:13 PM

Valid to:
2/22/2009 9:33:13 PM

Subject:
CN=Microsoft Corporation, 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:
610F784D000000000003

File PE Metadata
Compilation timestamp:
6/28/2005 1:55:01 PM

OS version:
5.2

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
7.10

CTPH (ssdeep):
12288:7SpAwi6bS9ZTgF4l7DDUcBlBR8x/o7bFNeQ1pYo6NV:7SKXZsWl7DB/BROg3FNh17mV

Entry address:
0x5A45

Entry point:
E9, 13, FA, FF, FF, 8B, 44, 24, 04, EB, 17, 80, F9, 3B, 75, 0C, 84, C9, 74, 14, 40, 8A, 08, 80, F9, 0A, 75, F4, 80, 38, 20, 7F, 09, 40, 8A, 08, 84, C9, 75, E3, 33, C0, C2, 04, 00, 8B, 4C, 24, 04, EB, 05, 84, C0, 74, 11, 41, 8A, 01, 3C, 0A, 75, F5, 41, 51, E8, C0, FF, FF, FF, C2, 04, 00, 33, C0, EB, F9, 53, 8B, 5C, 24, 0C, 56, 8B, 74, 24, 0C, 57, C6, 03, 00, EB, 0C, 56, E8, CB, FF, FF, FF, 8B, F0, 85, F6, 74, 2D, 80, 3E, 5B, 75, EF, 8D, 46, 01, EB, 0A, 84, C9, 74, 1F, 80, F9, 20, 7E, 0A, 40, 8A, 08, 80, F9...
 
[+]

Packer / compiler:
tElock 0.99 - 1.0 private

Code size:
30.5 KB (31,232 bytes)

The file kb958644.exe has been seen being distributed by the following 2 URLs.