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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:
6b8343c8d5b921144ef2d73d263d1a50

SHA-1:
1a06de0282fef621670e38708be1fbf07dd6956d

SHA-256:
77420a132c333c12cd6cb39f89ebe4ea2b956f56ef9444a9fd24cf76cd7237c7

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:
5/4/2024 10:16:57 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.InstallVibes.Installer (M)
15.9.26.12

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:
3/20/2014 1:00:00 AM

Valid to:
3/20/2016 12:59:59 AM

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:
5/25/2014 10:45:28 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:b6y579pvPxVELbii5bkgVuN+xSKV7Wkrsf7LskTYz7wucA0oXFV:uy579hJOXikbkgaISKVE6dcLs

Entry address:
0x2EC6

Entry point:
E8, 10, 53, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 18, 6C, 41, 00, E8, 94, 32, 00, 00, E8, E1, 54, 00, 00, 0F, B7, F0, 6A, 02, E8, A3, 52, 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, 62, 4A, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
6.8419

Code size:
63 KB (64,512 bytes)

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

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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