ribmxkowdtsdanquopas5oribmxkowdtsdanquopas5o_t3.exe

Search Vortex

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application ribmxkowdtsdanquopas5oribmxkowdtsdanquopas5o_t3.exe by Search Vortex 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 4threquest.me.
Publisher:
Search Vortex  (signed and verified)

MD5:
cac3bc1e708f54b9c323b116c50fa769

SHA-1:
2cac50344a09ace7bd600c28aed75674b7be2642

SHA-256:
2db248ad2f2d9f5a02e1894ddca100aae2b09649af7141e93a21eb353b926fe4

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:
11/1/2024 1:32:31 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.SearchVortex.Installer (M)
16.1.6.14

File size:
511 KB (523,288 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\oribmxkowdtsdanquopas5oribmxkowdtsdanquopas5o\ribmxkowdtsdanquopas5oribmxkowdtsdanquopas5o_t3.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
1/4/2015 9:00:00 PM

Valid to:
2/4/2016 8:59:59 PM

Subject:
CN=Search Vortex, O=Search Vortex, L=San Diego, S=California, C=US

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:
6378D12A74B139F75511F7798DF77B19

File PE Metadata
Compilation timestamp:
12/5/2009 7:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:AWB4BLV83F1s15Amrgb3/G/8/3D0Fw/tN8dkmLtpHHHrh7W:APLu3F6l8bI8/z0FmcLbH1W

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file ribmxkowdtsdanquopas5oribmxkowdtsdanquopas5o_t3.exe has been seen being distributed by the following URL.