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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:
acb8776c25732530ad742bf62ff2d470

SHA-1:
0fe97e23d4fd3769f26e63103336af2041092468

SHA-256:
81f109365e171ba26651df9b86a660904a0f50cf933a7169c188b97eb11e4f3c

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:
4/23/2024 8:45:33 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.InstallV.Installer (M)
16.6.19.9

File size:
233.3 KB (238,848 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:
6/12/2014 10:46:46 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:4xyMeM8tKmy/q7RglyFlqsGnK48uGSiU4pG:4xyMehti/8R7lJEGSiU4c

Entry address:
0x28F2

Entry point:
E8, 98, 34, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 18, 6B, 41, 00, E8, 38, 25, 00, 00, E8, 69, 36, 00, 00, 0F, B7, F0, 6A, 02, E8, 2B, 34, 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, EA, 2B, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.1892

Code size:
62.5 KB (64,000 bytes)

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

http://downloader.downloadinfo.co/download.php?id=6b0366194bf183f89e719765cd79ddee498b2270&z=1&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW43IiwiYiI6ImNoMjciLCJ1X2lkIjoiZGlfNTFhM2JhMzVjODE3NjkuNjg1NTk4MjUiLCJwYV9pZCI6IjEiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMSIsInRzIjoxMzY5Njg0NTM0LCJrdyI6ImFkb2JlZmxhc2ggcGxheWVyIiwiY3UiOiJhZG9iZWZsYXNoIHBsYXllciIsImNhIjpudWxsfQ==

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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