roundworlduninstaller.exe

Round World

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application roundworlduninstaller.exe by Round World has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. The file has been seen being downloaded from install.myroundworld.com.
Publisher:
Round World  (signed and verified)

Version:
1.0.0.0

MD5:
968a80a69fcc8efe6b8ecda8689156dd

SHA-1:
01575a3a6e6fdf2589d4b1818eb14130309413d0

SHA-256:
babc88dbd1c6dae3041be868531a9cc7e7ba08c7b197c3ec09b36ed7375cfcba

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:
11/2/2024 7:22:46 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.RoundWor.Installer (M)
16.3.30.16

File size:
545.2 KB (558,320 bytes)

Product version:
1.0.0.0

Original file name:
Round World Uninstaller.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\roundworlduninstaller.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
1/11/2015 1:00:00 AM

Valid to:
1/12/2016 12:59:59 AM

Subject:
CN=Round World, O=Round World, 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:
1E6F69E3F386155D988683D665483D02

File PE Metadata
Compilation timestamp:
3/9/2015 12:11:59 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:iPzDqjsN6NA/kJcJrAL190GPLMnMUpIh7vVLV:cPtJPzntpIhLlV

Entry address:
0x86507

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
529.5 KB (542,208 bytes)

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

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