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commonshareun.exe

WebSize

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application commonshareun.exe by WebSize has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is the uninstaller utility registered in the Windows Control Panel for the program CommonShare by CommonShare.
Publisher:
WebSize  (signed and verified)

Version:
1.0.0.0

MD5:
a2c1fa1e4e4d8d1dab4d81e75f2bfc14

SHA-1:
b3d321381540dc498f942d7a2e68506cd77a7f18

SHA-256:
d3748e952ec1d4d792c448c434086e62bc12f8e91bfa30edd18d72fa46b366df

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:
5/20/2024 10:46:52 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.5.7

File size:
529.7 KB (542,440 bytes)

Product version:
1.0.0.0

Original file name:
CommonShare Uninstaller.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\commonshare\commonshareun.exe

Digital Signature
Signed by:
WebSize

Authority:
VeriSign, Inc.

Valid from:
11/4/2014 10:00:00 PM

Valid to:
11/5/2015 9:59:59 PM

Subject:
CN=WebSize, O=WebSize, 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:
3BF641276AFD036CF34AFE5DF331B2A1

File PE Metadata
Compilation timestamp:
9/11/2015 3:35:17 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x826DE

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, 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...
 
[+]

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

Code size:
514 KB (526,336 bytes)

Program Uninstaller
Program name:
CommonShare

Display publisher:
CommonShare

Display version:
2014.10.16.171644

Uninstall string:
C:\Program Files (x86)\CommonShare\CommonShareUn.exe OFS_


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