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updatepcfiles.exe

InstallVibes

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application updatepcfiles.exe by InstallVibes has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The file has been seen being downloaded from direct.download-free-videos.com.
Publisher:
InstallVibes  (signed and verified)

MD5:
4be065d3d1c413ea283cfeb0cab203b0

SHA-1:
5a749abd649f3da2ffdf7480ddac6204edaa4a4d

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:
12/26/2024 11:39:46 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.7.17.8

File size:
263.2 KB (269,544 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Documents and Settings\{user}\My documents\downloads\updatepcfiles.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 10:47:02 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
3072:mZyq5vrBKnH8Wu8Cl4UgWLAqpsSWLQcstOihD6f0xnYyRGiQzQJRVlUcNV:mZyMeM8JKAyaj9Sw0xHwiU4RHUw

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:
7.2512

Code size:
62.5 KB (64,000 bytes)

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

http://direct.download-free-videos.com/lp/f357b5f0/download.php?AppName=UpdatePCFiles&DownloadUrl=http://www.updatepcfiles.info/istream_lite_silent_installer.exe&SilentParams= &ThankYouPage=http://www.updatepcfiles.info/shared/static_pages/ThankYou.php&eulaLink=http://www.updatepcfiles.info/shared/static_pages/EULA.php&ppLink=http://www.updatepcfiles.info/shared/static_pages/PrivacyPolicy.php&BannerImage=http://www.updatepcfiles.info/shared/static_pages/.../logo-default.gif&clickid=220&affid=p55&subid=199723&hash=103120726ed117439e07bc542b8cdbab123a8643bd948498c8a11d9c948c119e&filename=UpdatePCFiles.exe

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