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nst29e0.tmp.exe

Coupoon

This is the instaler for an an Adpeak program that shows ads in the browser without providing information about the ad's origin. Ads are injected as banners or text-links in random web pages. The application nst29e0.tmp.exe by Coupoon 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. This file is typically installed with the program coupoon. It is also typically executed from the user's temporary directory.
Publisher:
Coupoon  (signed and verified)

MD5:
97362e7f9c1f450dfd261aac2a93c7e3

SHA-1:
0441d31917b97e97ac2004c383de44b560ee2b27

SHA-256:
73521bcceb4dadb9cbfa57d6212849eec96ff6b1063fb2bf913e3709df3500e5

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:
12/24/2024 3:04:04 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.AdPeak.Installer
15.5.8.23

File size:
105.3 KB (107,776 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\nst29e0.tmp.exe

Digital Signature
Signed by:
Coupoon

Authority:
GlobalSign nv-sa

Valid from:
11/21/2014 9:35:57 AM

Valid to:
11/22/2015 9:35:57 AM

Subject:
E=support@coupoon.org, CN=Coupoon, O=Coupoon, L=Tallahassee, S=FL, C=US

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

Serial number:
1121400C47EC899C3BA485785E2CAB2D79C3

File PE Metadata
Compilation timestamp:
10/6/2014 11:40:20 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:5dxNE+Hb+eyz9zIUHY3cDpYMvZeFjwjsGAoSbSz0SbT3ZUyL/Ihn:5W+7+eMDHw6vMqYSzR5/a

Entry address:
0x335A

Entry point:
81, EC, D8, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 30, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 70, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 09, A3, B8, 92, 42, 00, E8, 15, 2F, 00, 00, A3, 04, 92, 42, 00, 55, 8D, 44, 24, 38, 68, B4, 02, 00, 00, 50, 55, 68, A8, 06, 42, 00, FF, 15, 7C, 71, 40, 00, 68, 7C, 93, 40, 00, 68, 00, 82, 42, 00, E8, 80, 2B, 00, 00, FF, 15, 34, 71, 40, 00, BB, 00, 40, 43, 00, 50, 53, E8, 6E, 2B, 00, 00...
 
[+]

Entropy:
7.1910

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file nst29e0.tmp.exe has been discovered within the following program.

coupoon  by coupoon
About 2% of users remove it
 
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