ptg-client-install-win.exe

NCS Pearson, Inc.

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from pschool.marshall.k12.mi.us and multiple other hosts.
Publisher:
NCS Pearson, Inc.  (signed and verified)

MD5:
cace2329e69dd6474358f62807bca311

SHA-1:
128c1510f43d8fe2d55ec0e33eadcd935b632d87

SHA-256:
b3ad8d3967c856f43ca93582488c88236a25d98abc0495899badf5f39741e52f

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
11/25/2024 5:36:42 AM UTC  (today)

File size:
34.9 MB (36,559,064 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\ptg-client-install-win.exe

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
2/24/2014 7:00:00 PM

Valid to:
2/17/2017 6:59:59 PM

Subject:
CN="NCS Pearson, Inc.", OU=School Systems, OU=Digital ID Class 3 - Microsoft Software Validation v2, O="NCS Pearson, Inc.", L=Rancho Cordova, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
0131B2B330CB49DC818A732106855B2C

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
786432:DEhY9kTekHM3FG57HfrpVCB8fa9cmz3WcaY0BOw6falU+FJC:DuhHuk5jtTi9BzqY0xwsU

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.9997

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file ptg-client-install-win.exe has been seen being distributed by the following 16 URLs.

https://pschool.marshall.k12.mi.us/powerschool-gradebook/.../PTg-Client-Install-win.exe

https://powerschool.saffordusd.com/powerschool-gradebook/.../PTg-Client-Install-win.exe

https://pschool.jones.k12.ms.us/powerschool-gradebook/.../PTg-Client-Install-win.exe

https://powerschool.ideapublicschools.org/powerschool-gradebook/.../PTg-Client-Install-win.exe

https://powerschool.ldschurch.org/powerschool-gradebook/.../PTg-Client-Install-win.exe

https://powerschool.bleckley.k12.ga.us/powerschool-gradebook/.../PTg-Client-Install-win.exe

http://portal.bixbyps.org/powerschool-gradebook/.../PTg-Client-Install-win.exe

https://sis.elizabeth.k12.nj.us/powerschool-gradebook/.../PTg-Client-Install-win.exe

https://pschool.slp.k12.la.us/powerschool-gradebook/.../PTg-Client-Install-win.exe

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