updater.exe

Coupon Server

Engaging Apps

This is the installer application for a 50onRed advertising supported software package (displays ads in the browser and may hijack the home and search pages of the web browser). The application updater.exe, “Coupon Server Updater” by Engaging Apps 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 Nullsoft Install System installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from download.my-apps-repository.com.
Publisher:
Innovative Apps  (signed by Engaging Apps)

Product:
Coupon Server

Description:
Coupon Server Updater

Version:
1.1.2.1

MD5:
0d4988858fc3a71efb9c75f4ddcd14e4

SHA-1:
6a1ef6a56112fa8774a383bc85e511ef583d4d3d

SHA-256:
44575d7f1553d32ac9c4e1b7a5f87b6f1c5e065887c6ae1991912fe52ea6217f

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:
8/11/2020 3:01:44 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.50OnRed.EngagingApps.Installer (M)
15.12.29.10

File size:
468.2 KB (479,448 bytes)

Copyright:
Copyright Innovative Apps

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\updater.exe

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
6/3/2013 8:00:00 PM

Valid to:
6/4/2014 7:59:59 PM

Subject:
CN=Engaging Apps, O=Engaging Apps, L=Philadelphia, S=Pennsylvania, C=US

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
632EEBD9B987BC680D444D8675A26545

File PE Metadata
Compilation timestamp:
2/19/2012 10:01:49 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
12288:ntoblLQDMDbue6wQz4TbQ/5BhNOMDEDBoS:ntWLQDEbLJbQ/nmMDy

Entry address:
0x4327

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, 93, 42, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, 94, 42, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, 94, 42, 00, 56, A3, 40, 7B, 42, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8D, 3B, 00, 00, A3, 9C, 7B, 42, 00, 8D, 85, 84, FE, FF, FF, 57, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 01, B3, 40, 00, FF, 15, AC, 94, 42, 00, 83, EC, 14, C7, 44, 24, 04, 02, B3, 40, 00, C7...
 
[+]

Entropy:
7.8199  (probably packed)

Code size:
34.5 KB (35,328 bytes)

The file updater.exe has been seen being distributed by the following URL.

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