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utilcommonshare.exe

CommonShare

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilcommonshare.exe by CommonShare has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “Util CommonShare”.
Publisher:
CommonShare  (signed and verified)

Version:
1.0.5371.6502

MD5:
aa6d69d08e42586e6cad41bfb2f5ec42

SHA-1:
b23b455816de6df34c334007caed050bf0dd1494

SHA-256:
39085b30fa47cff020c5fe4735ccd3ca373eaced34304331d1fbe89488e16e53

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:
12/23/2024 11:46:39 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.8.20

File size:
315.8 KB (323,360 bytes)

Product version:
1.0.5371.6502

Original file name:
CommonShare.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\commonshare\bin\utilcommonshare.exe

Digital Signature
Signed by:
CommonShare

Authority:
VeriSign, Inc.

Valid from:
1/11/2014 4:00:00 PM

Valid to:
1/12/2015 3:59:59 PM

Subject:
CN=CommonShare, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=CommonShare, L=San Diego, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
24BACA2B8A7487F0D275256D00BF7493

File PE Metadata
Compilation timestamp:
9/14/2014 9:36:59 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

Entry address:
0x4EBBE

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 02, 00, 10, 00, 00, 00, 20, 00, 00, 80, 18, 00, 00, 00, D4, 02, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 38, 00, 00, 80, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.0923

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
307 KB (314,368 bytes)

Service
Display name:
Util CommonShare

Type:
Win32OwnProcess


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