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setup.exe

InstallVibes

This is the installer and setup program from the InstallVibes branded Yontoo adware web browser extension. This adware injects various forms of advertisements in the user's web browser based on the HTML content and URLs viewed. Ad include banners, in-line context text links, coupons, and search. The program will install an auto-updating background service that will update the software with additional features. The application setup.exe by InstallVibes 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.
Publisher:
InstallVibes  (signed and verified)

MD5:
225ac9876ec9cc0dcf9ee19fd37f5d43

SHA-1:
934867996ce3e692afcf583a44d07b904404e454

SHA-256:
d335e316fdface7bfffae75df32d5138d90c05ec155233cca7b2a42096441ea1

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:
4/25/2024 1:05:09 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.InstallV.Installer (M)
16.5.20.6

File size:
241.3 KB (247,040 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
InstallVibes

Authority:
COMODO CA Limited

Valid from:
3/19/2014 7:00:00 PM

Valid to:
3/19/2016 6:59:59 PM

Subject:
CN=InstallVibes, O=InstallVibes, STREET=Ehad Haam 21 St., L=Tel Aviv, S=Israel, PostalCode=6515103, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00F29201EBC1EAD2B751F2854AD68C6244

File PE Metadata
Compilation timestamp:
6/24/2014 11:38:04 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:ZjyXEB8xbyVrxvOyPOKIssU53rzw96TCihKc:ZjyXEyxuVMyqUm4T3hB

Entry address:
0x2CBF

Entry point:
E8, C9, 42, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 38, 6B, 41, 00, E8, 6B, 36, 00, 00, E8, 9A, 44, 00, 00, 0F, B7, F0, 6A, 02, E8, 5C, 42, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, 1B, 3A, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.5047

Code size:
63.5 KB (65,024 bytes)

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

http://fastdownloaders.com/lps/.../download.php?uid=67f81165be4045d4b556d465c1f6b0ac

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to wac.edgecastcdn.net  (72.21.81.13:80)

TCP (HTTP):
Connects to service.yontoo.com  (8.25.35.148:80)

TCP (HTTP):
Connects to api.yontoo.com  (8.25.35.15:80)

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