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179767795_stp.exe

The application 179767795_stp.exe has been detected as a potentially unwanted program by 3 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
MD5:
b28fb372abe1e48a5faedee7841bd9d2

SHA-1:
d3816f47d5f12f04215d17a60a1ea932601682da

SHA-256:
4910c461e2bfe3ed42fd25050c6072ac5e55fc5bc99bc9774f409b4eb8527697

Scanner detections:
3 / 68

Status:
Potentially unwanted

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/26/2024 3:21:14 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
BrowseFox-D [PUP]
141119-1

ESET NOD32
Win32/BrowseFox.C potentially unwanted application
7.0.302.0

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.141120

File size:
100 KB (102,400 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\179767795_stp.exe

File PE Metadata
Compilation timestamp:
12/5/2009 8:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:YZrq3/rBsYXJ5kCWNDjOiaR+nUrkJhdhKK2PORm:YZ+11lW5cuUg/vgPKm

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, 6F, 44, 00, E8, F1, 2B, 00, 00, A3, 84, 6E, 44, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, 9C, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 2E, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, F0, 46, 00, 50, 57, E8, 92, 28, 00, 00...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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