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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 6 anti-malware scanners. The file has been seen being downloaded from lp.downloads-free-video.com and multiple other hosts. While running, it connects to the Internet address api.yontoo.com on port 80 using the HTTP protocol.
Publisher:
InstallVibes  (signed and verified)

MD5:
f17264cd47bc2c28884338d9bec81779

SHA-1:
e766e1d91872d4562acc3f1e2de25ad7a3829e40

SHA-256:
192f625fa7a27d2472327ceba65b06b6221a11bf2681c2e8ce627c574c9c7d8b

Scanner detections:
6 / 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:
4/27/2024 1:17:22 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
TR/Dropper.Gen
7.11.30.172

Malwarebytes
PUP.Optional.Bundlore
v2014.06.01.03

McAfee
PUP-FDC!F17264CD47BC
5600.7113

Reason Heuristics
PUP.Installer.InstallVibes.F
14.6.1.2

Sophos
Bundlore
4.98

VIPRE Antivirus
Threat.4754986
29800

File size:
317.2 KB (324,840 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 6:00:00 PM

Valid to:
3/19/2016 5:59:59 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:
5/31/2014 5:52:41 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:MxtVRyeMJbvPx6MLbii5bkgVuN+xSKV7Wkrsf7LsHyDBvmnp4Xttl:QVRyeMJ7JRXikbkgaISKVnyNvk4X7l

Entry address:
0x356D

Entry point:
E8, 2D, 4C, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 18, 6C, 41, 00, E8, AD, 2B, 00, 00, E8, FE, 4D, 00, 00, 0F, B7, F0, 6A, 02, E8, C0, 4B, 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, 7C, 43, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
6.8357

Code size:
63 KB (64,512 bytes)

The file setup.exe has been seen being distributed by the following 2 URLs.

http://lp.downloads-free-video.com/download/.../?nocache=96442418321&software=VideoDownloader&name=setup.exe&NL=1

http://lp.downloads-free-video.com/.../setup.exe

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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