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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.
Publisher:
InstallVibes  (signed and verified)

MD5:
10886fce47377b25962df1fb74e083d1

SHA-1:
1981e489bcafcc77c8c7c93a88880ca4150b5f60

SHA-256:
2b962191020be3b0ac3cbafc3beec9b218498d9bcd103ad7dc088055edb21614

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:
8/7/2025 9:42:02 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.InstallVibes.Installer (M)
16.2.2.13

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 8:00:00 PM

Valid to:
3/19/2016 7:59:59 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 7:52:41 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:MxtVRyeMJbvPx6MLbii5bkgVuN+xSKV7Wkrsf7LsHyDBvmnp4Xtot:QVRyeMJ7JRXikbkgaISKVnyNvk4X2t

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:
6.8358

Code size:
63 KB (64,512 bytes)

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

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