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instant savings app.exe

Smart 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 instant savings app.exe by Smart 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 updatesrv-a.akamaihd.net.
Publisher:
Smart Apps  (signed and verified)

MD5:
fb76eb9c22968c7c9aaee85f5d7c0144

SHA-1:
c184d3c0fdc5c057e090b2593fe837bc85a69ddb

SHA-256:
988e8742d3d0ecc34007ca1658feac3a4699415d0909c8213f7be3feea267569

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:
5/5/2024 10:15:57 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.50OnRed.SmartApp.Installer (M)
16.4.20.8

File size:
1.1 MB (1,108,856 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

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

Digital Signature
Signed by:
Smart Apps

Authority:
Thawte, Inc.

Valid from:
3/24/2013 7:00:00 PM

Valid to:
3/25/2014 6:59:59 PM

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

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

Serial number:
7CAFCF7841E5BDDF79F61691D678D0EC

File PE Metadata
Compilation timestamp:
2/19/2012 9:01:49 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
24576:4tGfqImpXnUFg91GBi7DHQ/6ugua992IuGdkICfImjIaPS:4wfG7GB8DHv5u492IEPgh

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:
7.9685  (probably packed)

Code size:
34.5 KB (35,328 bytes)

The file instant savings app.exe has been seen being distributed by the following URL.

https://updatesrv-a.akamaihd.net/.../.eJxFjTsOwjAQRO-ytRVlE9H4KghFtvFnE3_Q2oFIiLtjaNJM8eaN5g1N1Q0kUK5NxWgZBDwtVyq5UxzGYRpxxgnnXpySbLxbAfZoC927qEwIST3SGs0aSzI6aTLabxR88JnsOV5cVL6CxAsK0Fxetb-BvIIJXNJf_IUjtq4ccPt8AVuVNv4.-St05lSIcFId8sa3twpvccU0frM

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