wordproser-setup.exe

Wordprosers LLC

This is part of the InfoAtoms browser extension which will display variopus forms of advertising in the web browser by injecting new ads such as banner, text-links and search results. The file wordproser-setup.exe, “Word Proser Setup” by Wordprosers has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from db4w8r9fhwx8j.cloudfront.net.
Publisher:
Word Proser  (signed by Wordprosers LLC)

Product:
Word Proser

Description:
Word Proser Setup

Version:
1.10.0.9

MD5:
4c811ffd8a62461c0b024a6b462a6abe

SHA-1:
8aa2a5bd5d7c912f65144dd687c554de04f61a4b

SHA-256:
f53f56f4b992aaacaf62bd14d6b063e8362fb49a68ef83e59724387aee62402f

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
12/25/2024 12:28:22 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InfoAtoms.Wordprosers.Installer (M)
16.1.4.4

File size:
1011.7 KB (1,035,936 bytes)

Product version:
1.10.0.9

Copyright:
(c) 2014 Word Proser

Original file name:
wordproser-setup.exe

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\nsaec78.tmp

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
6/30/2014 9:58:57 AM

Valid to:
6/30/2016 9:58:57 AM

Subject:
E=support@wordproser.com, CN=Wordprosers LLC, O=Wordprosers LLC, L=La Jolla, S=CA, C=US

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112185C82DF38C3E8058F8A898AF88A5B351

File PE Metadata
Compilation timestamp:
12/5/2009 5:52:06 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:ciqm1TFMVzkhwEZQpOLLiVKARztC7ZV+TQX0g/Fh9aHO:pFMVzVz8OKaA6G0g/FhMu

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, 6F, 44, 00, E8, 09, 2C, 00, 00, A3, A4, 6E, 44, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, 9C, 42, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 2E, 44, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, F0, 46, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.8127

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file wordproser-setup.exe has been seen being distributed by the following URL.

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