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grassmow.browseradapter64.exe

grassmow

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application grassmow.browseradapter64.exe by grassmow has been detected as adware by 12 anti-malware scanners. 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:
grassmow  (signed and verified)

MD5:
ea45877c3df807a5acb32e4cd69624d1

SHA-1:
a63e3ebaae03787ac62520c67ae1b43d0c89466e

SHA-256:
33f470e91d7ce43121d48d009ced51a73dcf2f12da03645a78a7887bbe6dabeb

Scanner detections:
12 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/25/2024 4:55:42 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2014.10.02

AVG
Generic
2015.0.3334

Clam AntiVirus
Win.Adware.Swiftbrowse-291
0.98/19469

Dr.Web
Trojan.BPlug.218
9.0.1.05190

ESET NOD32
Win64/BrowseFox.B potentially unwanted application
7.0.302.0

McAfee
PUP-FPS
5600.6990

Norman
BrowseFox.BE
11.20141002

nProtect
Trojan-Clicker/W32.LinkSwift.114976
14.10.02.01

Reason Heuristics
PUP.grassmow.Y
14.10.2.8

VIPRE Antivirus
Threat.4150696
33520

Zillya! Antivirus
Adware.BrowseFox.Win64.1
2.0.0.1940

File size:
112.3 KB (114,976 bytes)

File type:
Executable application (Win64 EXE)

Common path:
C:\Program Files\grassmow\bin\grassmow.browseradapter64.exe

Digital Signature
Signed by:
grassmow

Authority:
VeriSign, Inc.

Valid from:
4/29/2014 1:00:00 AM

Valid to:
4/30/2015 12:59:59 AM

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:
10/2/2014 11:55:07 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:9oD21WCT9/Z8iZrUxgUwA7yXrKFtanInm:OD6NT8iZrafwAuB/

Entry address:
0x3D1C

Entry point:
48, 83, EC, 28, E8, C3, 26, 00, 00, 48, 83, C4, 28, E9, 52, FE, FF, FF, CC, CC, E9, EB, 05, 00, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 66, 66, 0F, 1F, 84, 00, 00, 00, 00, 00, 48, 3B, 0D, 39, 53, 01, 00, 75, 11, 48, C1, C1, 10, 66, F7, C1, FF, FF, 75, 02, F3, C3, 48, C1, C9, 10, E9, 2D, 27, 00, 00, CC, 40, 53, 48, 83, EC, 40, 48, 8B, D9, EB, 0F, 48, 8B, CB, E8, 6D, 28, 00, 00, 85, C0, 74, 13, 48, 8B, CB, E8, 95, 07, 00, 00, 48, 85, C0, 74, E7, 48, 83, C4, 40, 5B, C3, 8B, 05...
 
[+]

Entropy:
6.2087

Code size:
70.5 KB (72,192 bytes)

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