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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 12 anti-malware scanners. The file has been seen being downloaded from lp.downloads-free-video.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:
7ddcb4a4b949effb489ad9d46a62ffd6

SHA-1:
2ed1b8dcd882f7f0e0ca5e2ba162f3e85594e51f

SHA-256:
00458c5e2dfb02f2b3f2c7a191c20a59b89c0fd98fa7383acf0fd6873f035b67

Scanner detections:
12 / 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:
4/25/2024 12:58:34 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
TR/Dropper.Gen
7.11.30.172

AVG
Bundlo
2015.0.3432

Comodo Security
Application.Win32.Bundlore.C
18666

ESET NOD32
Win32/Bundlore.G potentially unwanted application
7.0.302.0

IKARUS anti.virus
PUA.Bundlore
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.180.12524

Malwarebytes
PUP.Optional.Bundlore
v2014.06.25.12

McAfee
PUP-FDC
5600.7088

Panda Antivirus
Trj/Genetic.gen
14.06.25.12

Reason Heuristics
PUP.Installer.InstallVibes.F
14.6.25.11

Sophos
Bundlore
4.98

VIPRE Antivirus
Threat.4754986
29708

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 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:
5/27/2014 9:06:51 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:rJy5VX+vPxJdiLbii5bkgVuN+xSKV7Wkrsf7LsgJ30ZeKlAjjiZIqNLb:rJy5VXkJJ4XikbkgaISKVA1IIqN/

Entry address:
0x2EE6

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:
6.8350

Code size:
63 KB (64,512 bytes)

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

http://lp.downloads-free-video.com/download/.../?nocache=bf188ce2a875fe1b943809e0e736829b&software=VideoDownloader&name=setup.exe

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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