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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 11 anti-malware scanners. The file has been seen being downloaded from lp.download-free-videos.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:
593b1acc11cfb70d94eb7c6598e76f03

SHA-1:
e12b2d1e1c2e96401475014a55e29b6db9a87a5c

SHA-256:
5a02335dfedb085bc7c3b6b5d342a0083d319361a565194230c737f7f5f7c8b3

Scanner detections:
11 / 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:
12/26/2024 12:31:12 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
BDS/ZeroAccess.A.297
7.11.151.92

AVG
Skodna.Generic_r
2015.0.3465

Dr.Web
Adware.Downware.3937
9.0.1.0144

ESET NOD32
Win32/Bundlore.E potentially unwanted application
7.0.302.0

K7 AntiVirus
Unwanted-Program
13.178.12184

Malwarebytes
PUP.Optional.Installvibes
v2014.05.24.07

McAfee
PUP-FJG!593B1ACC11CF
5600.7121

Reason Heuristics
PUP.Installer.InstallVibes.F
14.5.24.7

Sophos
Bundlore
4.98

VIPRE Antivirus
Threat.4150696
29418

File size:
284.7 KB (291,560 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Documents and Settings\{user}\My documents\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:
5/16/2014 3:07:03 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:pG1Af3k5aL3Lbii5bkgVuN+xSKV7Wkrsf7LsMKceSoFwkh:pGaf05a7XikbkgaISKVsVenekh

Entry address:
0x557D

Entry point:
E8, 54, 62, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, F0, C4, 41, 00, E8, 6D, 16, 00, 00, E8, 25, 64, 00, 00, 0F, B7, F0, 6A, 02, E8, E7, 61, 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, A6, 59, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
6.4607

Code size:
82 KB (83,968 bytes)

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

http://lp.download-free-videos.com/download/.../?nocache=7ea8214975557c92a9e91ad3e8a76875&software=VideoDownloader&name=setup.exe&NL=1

http://lp.download-free-videos.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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