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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:
0a657cfeca5768414ab8885fb4243244

SHA-1:
9946f0fc6477d4232f607cd936fbc157ebe734d8

SHA-256:
31293055f392a1736622bb0ec1b32d6f8cc7e28f30e86c16d8c8aaeb2d7626b5

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:
5/9/2024 11:12:47 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.InstallVibes.Installer (M)
16.2.14.15

File size:
316.7 KB (324,328 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 9:00:00 PM

Valid to:
3/19/2016 8:59:59 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:
5/28/2014 6:31:02 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:6xtVRyeMJbvPx/7Lbii5bkgVuN+xSKV7Wkrsf7LsmucqHx7rpV0NM6XsY:2VRyeMJ7JjXikbkgaISKVGdux7rIM6Xr

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:
6.8412

Code size:
63 KB (64,512 bytes)

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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