nszf2e2.tmp

Ratio Applications

The software will display additional offers (such as adware) during installation including a browser toolbar/extension as well as advertising injection software (part of the Injekt brand). The file nszf2e2.tmp by Ratio Applications 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 spursx5.tinyboxarcade.com.
Publisher:
Ratio Applications  (signed and verified)

MD5:
3aa368373f95b7bfa9b671795db6bf4b

SHA-1:
a53d80d7d86687d90f0e3b508d0b9955e979b33b

SHA-256:
75d596af49e5f2403939fd8de51861ad1cd74e0f322e7a1f884169e5377c4e87

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Injects display ads (banner ads), in-text ads, interstitial ads, or other types of ads in the web browser as well as alters the browsers settings (home page, search, DNS, and security protocols).

Analysis date:
5/22/2024 11:33:02 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Injekt.RatioApplications.Installer (M)
15.12.22.19

File size:
4.6 MB (4,827,456 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\nszf2e2.tmp

Digital Signature
Authority:
Symantec Corporation

Valid from:
2/9/2015 7:00:00 PM

Valid to:
5/11/2016 7:59:59 PM

Subject:
CN=Ratio Applications, O=Ratio Applications, L=St. James, S=St. James, C=BB

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
2C6864FA270A42D59AC5ABB22BC46227

File PE Metadata
Compilation timestamp:
6/6/2009 5:41:48 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:oG4ws1681VgNa7flHsZC5Esgq1V7awumr0KbHUBNgaERg4ws1S:oG4w0UaTmZS+qza4biag4wR

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9858

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file nszf2e2.tmp has been seen being distributed by the following URL.

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