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nsu88d7.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 nsu88d7.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:
6a1367107a78577661a669ce257b35f1

SHA-1:
8a6a9f46fd0512c83010af72c3aef402eed67be6

SHA-256:
b75d0a2604845a492cd7328f27c9bfab0a293103fd4dfa3f2c2f791293e5e2ab

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 7:33:12 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Injekt.RatioApplications.Installer (M)
15.11.7.0

File size:
4.6 MB (4,827,136 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\nsu88d7.tmp

Digital Signature
Signed by:
Ratio Applications

Authority:
Symantec Corporation

Valid from:
2/9/2015 12:00:00 PM

Valid to:
5/11/2016 11:59:59 AM

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 9:41:48 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:8GkfjVOgK9RTBlmOx1t9b02CLGTY2odD/787A8kjAPQTifjk:8GyjcgcRTBlmOHt9b0tYoR/IAtYjk

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 nsu88d7.tmp has been seen being distributed by the following URL.

http://spursx5.tinyboxarcade.com/tt/.../Setup.exe

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