pid2050.exe

Smart Applications

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application pid2050.exe by Smart 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.
Publisher:
Smart Applications  (signed and verified)

MD5:
256ccfa5b905171902cee26837495761

SHA-1:
a5865b553b6e227889c142aaf065ef84ae204514

SHA-256:
c012084f204c981bd91e5b58488f404efe53f6a4a7b104238ec48fead574c898

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
11/5/2024 5:48:25 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.8.11.9

File size:
1.4 MB (1,498,256 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\packages\windows_ie_ac_001\ac\inetcache\{random}\pid2050.exe

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
11/13/2014 6:00:00 PM

Valid to:
11/14/2015 5:59:59 PM

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

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
4CF1C880A6746C7D0CDCB1393793A057

File PE Metadata
Compilation timestamp:
6/6/2009 4:41:59 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:rZmVb4m0ZVVrCYwAR1DBfdtQXfWUZRvBB95n3r5/qqDN3dugk6Ne6ONMegFk71n4:u4xVrLHdTaZP5n3l/r3d5k6N+Nxt4

Entry address:
0x30FA

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, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9800

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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