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updategrassmow.exe

grassmow

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 grassmow will automatically keep the extension patched by downloaded new functionality which is auto-enabled by default. The application updategrassmow.exe by grassmow has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
grassmow  (signed and verified)

Version:
1.0.5431.22250

MD5:
00014c88d9e3b4c331e39cb12829c88b

SHA-1:
f8442dda767e33b1156b268bfa20821b0f2bba41

SHA-256:
5c7be10da7021c497cb003bc2bdfc6f892ae56c51e07113c856db19ba0c48299

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
5/2/2024 6:31:41 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.2.21.19

File size:
513.3 KB (525,600 bytes)

Product version:
1.0.5431.22250

Original file name:
grassmow.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\updategrassmow.exe

Digital Signature
Signed by:
grassmow

Authority:
VeriSign, Inc.

Valid from:
4/28/2014 8:00:00 PM

Valid to:
4/29/2015 7:59:59 PM

Subject:
CN=grassmow, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=grassmow, L=Santa Monica, 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:
46F979858F2F3241487CBA3EF684BAE8

File PE Metadata
Compilation timestamp:
11/14/2014 3:21:54 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x800D6

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:
504.5 KB (516,608 bytes)

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