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updatecommonshare.exe

CommonShare

Part of the Yontoo web browser plugin (delivers advertisements to the web browser in the form of injected banners, text-links, popups, etc.) the updater mechanism for CommonShare will automatically keep the extension patched by downloaded new functionality which is auto-enabled by default. The application updatecommonshare.exe by CommonShare has been detected as adware by 11 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “Update CommonShare”. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
CommonShare  (signed and verified)

Version:
1.0.5370.1649

MD5:
7e9dda1ac4b0642bef8d548fbc973b8e

SHA-1:
9c48d72c72e2b21c78963ee79f04e48801ec4612

SHA-256:
b2b61544bae44825a5ea2e96d0163c24202b1d163171e6786efe6d51ede50832

Scanner detections:
11 / 68

Status:
Adware

Explanation:
Part of the Yontoo adware web browser extension update process.

Analysis date:
4/25/2024 6:15:49 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/BrowseFox.Gen
7.11.172.136

AVG
Generic
2016.0.2913

ESET NOD32
Win32/BrowseFox (variant)
9.10422

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.7.8.0

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.1059

Malwarebytes
PUP.Optional.CommonShare.A
v2015.11.27.02

nProtect
Trojan-Clicker/W32.Agent.323360.M
14.09.15.01

Panda Antivirus
Trj/Chgt.F
15.11.27.02

Qihoo 360 Security
Win32/Virus.Adware.e4c
1.0.0.1015

Reason Heuristics
Adware.Yontoo.CommonShare (M)
15.11.27.2

Sophos
Generic PUA JM
4.98

File size:
315.8 KB (323,360 bytes)

Product version:
1.0.5370.1649

Original file name:
CommonShare.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

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

Digital Signature
Signed by:
CommonShare

Authority:
VeriSign, Inc.

Valid from:
1/11/2014 7:00:00 PM

Valid to:
1/12/2015 6:59:59 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:
9/13/2014 9:55:15 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:EifAzYzP7Y7jxrG7XIPd73+ueKZnx0A9iXbzyI:EifNT6rx5wnyI

Entry address:
0x4EBAA

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, 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...
 
[+]

Entropy:
6.0920

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

Code size:
307 KB (314,368 bytes)

Service
Display name:
Update CommonShare

Type:
Win32OwnProcess


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